RF Coaxial Cable
RF coaxial cable, eo hape e tsejoang e le coax cable, ke mofuta oa thapo e sebelisoang ho fetisa mats'oao a maqhubu a seea-le-moea ho tloha sebakeng se seng ho ea ho se seng. E na le conductor e bohareng ba koporo e pota-potiloeng ke lesela le sireletsang, thebe e lohiloeng, le baki ea ka ntle. Thapo ea coaxial e etselitsoe hore e be le tšitiso e tšoanang ka bolelele ba eona, hangata 50 ohms kapa 75 ohms, e tsamaellanang le tšitiso ea sesebelisoa seo e hokelang ho sona.
Mokhanni oa setsi o jara letšoao, ha thebe e lohiloeng e sebetsa e le fatše hape e fana ka tšireletso ho tsoa ho tšitiso e ka ntle. Lera le sireletsang pakeng tsa conductor e bohareng le thebe e lohiloeng e etselitsoe ho boloka sebaka se nepahetseng pakeng tsa tse peli, e leng sa bohlokoa bakeng sa ho boloka mokhoa oa ho itšireletsa oa cable.
Mohala oa coaxial o sebetsa ka ho fetisa matšoao a phahameng-frequency haufi le conductor e bohareng, e leng se etsang hore ho be le matla a khoheli. Joale tšimo ena e kopantsoe le thebe e lohiloeng, e sebetsang e le fatše 'me e lumella letšoao ho khutlela mohloling. Tšireletso e boetse e thusa ho thibela ho kena-kenana le mehloli e meng.
Lithapo tsa coaxial li sebelisoa hangata lits'ebetsong tse fapaneng, ho kenyeletsoa lithelevishene tsa cable, marang-rang a likhomphutha le likhokahano. Li boetse li sebelisoa lisebelisoa tsa maqhubu a phahameng joalo ka li-antenna tsa radio le microwave.
Ho na le li-synonyms tse 'maloa tsa RF coaxial cable, ho kenyelletsa:
- kabel qobella
- Coaxial cable
- Thapo ea RF
- Thapo ea Antenna
- Mohala oa phetiso
- Mohala oa molaetsa
- Mohala oa ho fepa
- Mohala oa khaso
- Cable ea 50-ohm (e bua ka ho se sebetse ha thapo)
- Cable ea 75-ohm (e bua ka ho se sebetse ha thapo)
Mantsoe ana hangata a sebelisoa ka mokhoa o fapaneng ho bua ka mofuta o tšoanang oa mohala o sebelisoang lits'ebetsong tsa maqhubu a seea-le-moea, ho kenyeletsoa liteishene tsa seea-le-moea tsa FM, liphatlalatso tsa seea-le-moea-moea, marang-rang a mehala le lits'ebetso tse ling tsa puisano.
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![RG178 B/U PTFE FTP Coaxial Cable 1/3/5/10M for Telecommunication]()
RG178 B/U PTFE FTP Coaxial Cable 1/3/5/10M bakeng sa Khokahano ea Mohala
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![SYV-50 8/15/20/30M RF Coaxial Cable with Male Connectors (N-type, 7/16 DIN, TNC, BNC, SL16)]()
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- Ke mantsoe afe a tloaelehileng a likhoele tsa RF coaxial?
- Ka tlase ke mantsoe a tloaelehileng a amanang le likhoele tsa RF coaxial, hammoho le litlhaloso tsa tsona:
1. Coaxial Connector: Ke mofuta oa sehokelo sa motlakase se sebelisetsoang ho hokahanya likhoele tse peli tsa coaxial. Ho na le mefuta e fapaneng ea likhokahanyo tsa coaxial, joalo ka BNC, SMA, mofuta oa N-mofuta, le lihokelo tsa mofuta oa F. Mofuta o mong le o mong oa sehokelo o na le litšobotsi tsa ona ho latela impedance, frequency range, le matla a ho sebetsana le matla.
2. Tšitiso: Ke ho hanyetsa ho phalla ha motlakase oa motlakase ka potoloho. Lithapong tsa RF coaxial, impedance e hlahisoa ka ohms (Ω) 'me hangata ke 50 kapa 75 ohms. Ho sitisoa ha thapo ea coaxial ho tlameha ho ts'oana le ho se sebetse ha sesebelisoa seo o hokelang ho sona, ho seng joalo lipontšo le tahlehelo li ka hlaha.
3. Marang-rang: Ke mefuta e mengata ea maqhubu ao thapo ea coaxial e ka e fetisang ntle le tahlehelo e kholo ea matšoao. Maqhubu a maqhubu a thapo ea coaxial e ipapisitse le moralo le kaho ea eona, 'me hangata e hlahisoa ka likarolo tsa GHz (Gigahertz).
4. Tlhokomeliso: Ke phokotso ea matla a lets'oao ha e ntse e tsamaea ka mohala oa coaxial. Attenuation e hlahisoa ka li-decibel ka bolelele ba yuniti (dB/m) mme ho ipapisitse le maqhubu a lets'oao le bolelele ba thapo.
5. Lebelo la Phatlalatso (Vp): Ke lebelo leo lets'oao le tsamaeang ka lona mothapong oa coaxial, o hlalosoang e le peresente ea lebelo la khanya. Vp e ipapisitse le thepa e sebelisitsoeng kahong ea thapo, 'me boleng bo tloaelehileng bo tloha ho 60% ho isa ho 90%.
6. Bokhoni ba ho Ts'oara Matla: Ke matla a phahameng ao thapo ea coaxial e ka fetisang ka mokhoa o sireletsehileng ntle le tšenyo. Boleng bona bo hlahisoa ka li-watts (W) 'me bo ipapisitse le moralo oa thapo, kaho, le khafetsa ea lets'oao le fetisoang.
7. Boitsebiso ba Jacket: Ke karolo e ka ntle ea thapo ea coaxial 'me e entsoe ka thepa e fanang ka tšireletso khahlanong le maemo a tikoloho joalo ka mongobo, lik'hemik'hale le abrasion. Lisebelisoa tse tloaelehileng tsa baki li kenyelletsa PVC, PE, le Teflon.
8. Lisebelisoa tsa Inner Conductor: Ke conductor e bohareng ea thapo ea coaxial 'me hangata e entsoe ka tšepe ea koporo kapa ea koporo. Koporo e fana ka conductivity e ntlafetseng le phetisetso ea lipontšo, ha tšepe e entsoeng ka koporo e sebelisoa lits'ebetsong moo ho hlokahalang matla a holimo.
9. Lisebelisoa tsa Dielectric: Ke thepa e sireletsang pakeng tsa mokhanni oa bohareng le mokhanni oa ka ntle / thebe. Thepa ea dielectric e bohlokoa hobane e boloka sebaka se nepahetseng pakeng tsa li-conductor tse peli. The dielectric constant and loss tangent ke diparamente tsa bohlokwa tsa motlakase tsa dielectric material. Lisebelisoa tsa dielectric tse sebelisoang hangata ke polyethylene, polytetrafluoroethylene (PTFE/Teflon), le lisebelisoa tsa foam.
10. VSWR: E emetse Voltage Standing Wave Ratio, e leng tekanyo ea matla a bonahatsoang a lets'oao ka lebaka la ho se lumellane ha lets'oao. A VSWR ea 1:1 e bontša hore matla ohle a tsoang mohloling a tlisoa mojaro ntle le ho bonahatsa letho. Ha boleng ba VSWR bo le boholo, matla a mats'oao a mangata a bonahatsoa ho khutlela mohloling, ho baka tahlehelo ea matšoao le ho se sebetse hantle.
11. Tahlehelo: Tahlehelo ea thapo ea coaxial e bolela boholo ba matla a lahlehang ka lebaka la lintlha tse fapaneng tse kang conductor resistance, dielectric absorption le radiation. Tahlehelo ea mohala oa coaxial e fapana ho ea ka makhetlo a lets'oao le bolelele ba mohala, 'me e hlahisoa ka li-decibel ka bolelele ba yuniti (dB / m). Ka tlase ho lahleheloa ke thapo, ho molemo ke ho fetisa matla a eona.
12. Nomoro ea RG: RG e emetse "Radio Guide," e leng letoto la likhoele tsa coaxial tse emetsoeng ke Maemo a Sesole a MIL-C-17. Lithapo tsena li khetholloa ka linomoro tsa tsona tsa RG, tse kang RG58, RG59, RG213, joalo-joalo, ’me palo e ’ngoe le e ’ngoe e bontša litšobotsi tse itseng tsa thapo tse kang bophara, tšitiso, le mofuta oa tšireletso.
13. Tšireletso: Ho sireletsa mohala oa coaxial ho bohlokoa ho felisa tšitiso ea matšoao ho tsoa mehloling e ka ntle. Mofuta oa tšireletso o ka fapana ho tloha ho foil ho ea ho braid kapa motsoako oa bobeli. Peresente ea tšireletso ea thebe le eona e bohlokoa molemong oa ho lekanyetsa katleho ea ts'ireletso.
14. Puisano e Kopanetsoeng: cross-talk e bua ka ketsahalo eo lets'oao le tsoang ho thapo e le 'ngoe ea coaxial le sitisang lets'oao ho thapo e 'ngoe ea coaxial e bapileng le eona. Puisano e fapaneng e ka fokotsoa ka ho khetha ka hloko sebaka sa karohano lipakeng tsa likhoele tsa coaxial tse haufi.
15. Tahlehelo ea Kenyelletso: Ke palo ea tahlehelo ea matšoao e hlahang ha sesebelisoa se kenngoa pakeng tsa likarolo tse peli tsa mohala oa coaxial. Tahlehelo ea ho kenya e hlahisoa ka li-decibel (dB) 'me e fapana ho ea ka mofuta oa sesebelisoa se kentsoeng le mefuta ea maqhubu a lets'oao.
16. Mokhahlelo oa botsitso: Ho tsitsa ha mohato oa mohala oa coaxial ho bolela botsitso ba kamano ea mohato pakeng tsa matšoao a fetisitsoeng le a amoheloang. Thepa ena e bohlokoa lits'ebetsong moo botsitso ba mohato bo leng bohlokoa, joalo ka lits'ebetsong tsa puisano tsa microwave le millimeter-wave.
17. Bend Radius: Sebaka se tlase sa ho kobeha sa thapo ea coaxial se bua ka radius e tlase ea curvature eo thapo e ka kobehang ntle le ho ama ts'ebetso ea eona ea motlakase. The bend radius e fapana ho ea ka bophara ba cable le kaho, 'me ho bohlokoa ho khomarela ho eona ho qoba ho senya thapo le ho ama ts'ebetso ea eona.
18. Ho Hula Khatello: Ke tsitsipano e kholo eo mohala oa coaxial o ka mamellang nakong ea ho kenya kapa ho sebelisoa ntle le ho senyeha. Khatello ea ho hula ke ea bohlokoa ho qoba ho otlolla kapa ho senya mohala nakong ea ho kenya.
19. Ho se kenelle ha metsi Lithapo tsa coaxial tse sebelisoang libakeng tse ka ntle le tse thata li ka hloka likarolo tse ling tsa ho thibela metsi le tse ruggedization ho li sireletsa ho tloha mongobo, lerōleng, ho abrasion le linthong tse ling tsa tikoloho. Mehlala ea likarolo tse joalo e kenyelletsa lijase tse sa keneleng metsi, li-braids tse sireletsang, le lieta tse koalang.
20. Tekanyo ea Mocheso: Tekanyo ea mocheso oa mohala oa coaxial e bua ka mocheso o phahameng le o fokolang oo thapo e ka sebetsoang ka mokhoa o sireletsehileng ntle le ho ama ts'ebetso ea eona ea motlakase. Tekanyo ea mocheso e bohlokoa ho nahanoa ha ho khethoa thapo ea coaxial bakeng sa ho sebelisoa maemong a mocheso o feteletseng.
Qetellong, mantsoe ana a bohlokoa ho utloisisa litšobotsi le ts'ebetso ea thapo ea coaxial ea RF. Ba thusa ho khetha mofuta o nepahetseng oa thapo ea coaxial bakeng sa ts'ebeliso e itseng, ho ntlafatsa ts'ebetso ea phetisetso ea mats'oao, ho fokotsa tšitiso, le ho netefatsa ts'epo le nako e telele ea thapo.
- Hobaneng lithapo tsa RF coaxial li le bohlokoa bakeng sa khaso ea seea-le-moea?
- Ho hlokahala thapo ea RF coaxial bakeng sa khaso hobane e fana ka mokhoa o tšepahalang le o sebetsang oa ho fetisa mats'oao a maqhubu a seea-le-moea ho tloha mohloling ho ea sebakeng se eang libakeng tse telele. Cable ea boleng bo holimo ea coaxial e bohlokoa bakeng sa sistimi ea antenna ea khaso ea seea-le-moea hobane e thusa ho fihlela katleho le boleng ba phetiso ea mats'oao.
Khaso ea seea-le-moea, boleng ba lets'oao ke ba bohlokoa haholo ho netefatsa hore lenaneo le amoheloa ka ho hlaka ke bamameli. Boleng ba lets'oao bo angoa ke lintlha tse fapaneng tse kang ho bonahatsa, ho fokotseha, le tšitiso. Ts'ebeliso ea thapo ea boleng bo holimo ea RF coaxial e thusa ho fokotsa litlamorao le ho netefatsa hore boholo ba matla a lets'oao a tlisoa ho transmitter le antenna.
Mohala oa boleng bo holimo oa RF coaxial o na le melemo e 'maloa ea bohlokoa bakeng sa sistimi ea seea-le-moea ea profeshenale:
1. Tahlehelo e Tlase: Mohala oa boleng bo holimo oa RF coaxial o na le litšobotsi tse tlase tsa tahlehelo tse fokotsang tahlehelo ea lets'oao ka lebaka la ho nyenyefatsa le ho thuisa. Sena se fella ka boleng bo ntlafetseng ba matshwao le mefuta e fapaneng, e leng bohlokwa bakeng sa kgaso ya radio.
2. Tšebelisano ea Tšitiso: Tšebeliso ea thapo ea boleng bo holimo ea coaxial e nang le impedance e nepahetseng e netefatsa hore tlhahiso e tsoang ho transmitter e tsamaisana le ho sitisoa ha sistimi ea antenna, e eketsang phetiso ea matla a matšoao.
3. Tšireletso: Mohala oa boleng bo holimo oa RF oa coaxial o sirelelitsoe ho fokotsa tšitiso e tsoang mehloling e kantle joalo ka lerata la motlakase, mahlaseli a motlakase, le matšoao a mang a RF a ka amang boleng ba khaso.
4. Khotso: Mohala oa boleng bo holimo oa RF coaxial o etselitsoe ho mamella maemo a thata a tikoloho ea khaso ea litsebi, ho kenyelletsa le ho pepesehela maemo a leholimo, abrasion le lintho tse ling tse sithabetsang 'meleng.
Ka kakaretso, ts'ebeliso ea thapo ea boleng bo holimo ea RF e bohlokoa bakeng sa sistimi ea antenna ea khaso ea seea-le-moea ho netefatsa ts'ebetso e nepahetseng ea phetisetso ea mats'oao, ts'epahalo le boleng ba matšoao.
- Lisebelisoa tse tloaelehileng tsa RF coaxial cables ke life?
- Lithapo tsa RF coaxial li na le mefuta e mengata ea lits'ebetso liindastering tse fapaneng. Ka tlase ke lisebelisoa tse ling tse tloaelehileng tsa likhoele tsa RF coaxial:
1. Likhokahano: Lithapo tsa RF coaxial li sebelisoa haholo lits'ebetsong tsa mehala bakeng sa ho fetisa mats'oao a maqhubu a phahameng lipakeng tsa lisebelisoa tse kang li-antenna le li-transceivers.
2. Khaso: Lithapo tsa RF coaxial li sebelisoa lits'ebetsong tsa khaso ho hokela transmitter ho antenna, e nolofalletsang phetiso ea matšoao a boleng bo holimo maetong a malelele.
3. GPS le Navigation: Lithapo tsa RF coaxial ke karolo ea bohlokoa ea Global Positioning System (GPS) le litsamaiso tse ling tsa ho sesa, tse sebelisetsoang ho fetisa mats'oao lipakeng tsa manakana le liamoheli.
4. Sesole le Sepakapaka: Lits'ebetsong tsa sesole le tsa sefofane, likhoele tsa RF coaxial li sebelisoa ho hokahanya likarolo tse fapaneng tsa elektroniki joalo ka litsamaiso tsa radar, litsamaiso tsa puisano le litsamaiso tsa sathelaete.
5. Bongaka: Lithapo tsa RF coaxial li sebelisoa lits'ebetsong tsa bongaka tse joalo ka mechini e hlahlobang ea MRI, moo li sebelisetsoang ho fetisa mats'oao lipakeng tsa manakana le ba amohelang.
6. Indasteri: Lithapo tsa RF coaxial li sebelisoa lits'ebetsong tsa indasteri tse kang li-sensor, li-automation system, le litsamaiso tsa taolo, moo li sebelisetsoang ho fetisa matšoao a taolo le data lipakeng tsa lisebelisoa.
7. Teko le Tekanyo: Lithapo tsa RF coaxial li sebelisoa lits'ebetsong tsa liteko le litekanyo tse kang oscilloscopes, spectrum analyzers, le lijenereithara tsa matšoao, moo li sebelisetsoang ho etsa litekanyo tse nepahetseng le ho hlahloba matšoao.
8. Likoloi: Lithapo tsa RF coaxial li sebelisoa lits'ebetsong tsa likoloi tse kang litsamaiso tsa radar, sistimi ea ho tjhaja waelese, le sistimi ea khokahanyo, moo li sebelisetsoang ho fetisa matšoao lipakeng tsa likarolo tse fapaneng tsa elektroniki ka koloing.
9. Consumer Electronics: Lithapo tsa RF coaxial hangata li sebelisoa ho lisebelisoa tsa elektronike tse sebelisoang ke bareki tse kang li-TV, modem tsa cable le li-set-top boxes, moo li sebelisetsoang ho fetisa melaetsa pakeng tsa lenaka kapa thapo le sesebelisoa.
10. Tshireletso le Tebelo: Lithapo tsa RF coaxial li sebelisoa lits'ebetsong tsa ts'ireletso le ho beha leihlo, joalo ka lik'hamera tsa CCTV, moo li sebelisetsoang ho fetisa matšoao a video lipakeng tsa lik'hamera le li-monitor.
11. Matla a Tsosolositsoeng: Lithapo tsa RF coaxial li sebelisoa litsamaisong tsa matla tse nchafalitsoeng joalo ka matla a letsatsi, moo li sebelisetsoang ho fetisa matšoao lipakeng tsa li-sensor le lits'ebetso tsa ho beha leihlo, ho netefatsa phetoho e nepahetseng ea matla.
12. Audio le Video: Lithapo tsa RF coaxial li sebelisoa lits'ebetsong tsa molumo le tsa video joalo ka liholo tsa lapeng, moo li sebelisetsoang ho fetisa matshwao a boleng bo holimo a molumo le video maetong a malelele lipakeng tsa lisebelisoa.
13. Liroboto: Lithapo tsa RF coaxial li sebelisoa lits'ebetsong tsa liroboto moo li sebelisetsoang ho fetisa matšoao a taolo le data lipakeng tsa litsamaiso tsa taolo le lisebelisoa tsa roboto.
14. Lipatlisiso le Ntlafatso: Lithapo tsa RF coaxial li sebelisoa likopong tsa lipatlisiso le nts'etsopele, joalo ka lilab le liunivesithing, moo li sebelisetsoang ho fetisa matšoao lipakeng tsa lisebelisoa le lisebelisoa tse sebelisoang lithutong tsa lipatlisiso.
Lithapo tsa RF coaxial li bohlokoa lits'ebetsong tse ngata tsa sejoale-joale, kaha li lumella mats'oao a maqhubu a holimo hore a fetisoe hantle le ka ts'epahalo maetong a malelele. Ka tsoelo-pele ea theknoloji, lithapo tsena li fetohile tse bobebe haholoanyane, li tšoarella nako e telele, 'me lia tenyetseha, li ntse li atolosa mefuta e mengata ea lisebelisoa. Leha ho le joalo, kaha litlhaloso tsa likhoele tsa RF coaxial li ka fapana haholo ho latela ts'ebeliso le tikoloho, ho bohlokoa ho khetha mofuta o nepahetseng oa thapo bakeng sa nyeoe e itseng. Ho khetha thapo e nepahetseng ea RF ho ka netefatsa ts'ebetso e nepahetseng le ho fokotsa tahlehelo ea mats'oao, 'me qetellong ho lumelle phetiso e atlehileng ea matšoao a boleng bo holimo.
- U ka khetha joang likhoele tsa RF coaxial bakeng sa seea-le-moea sa FM?
- Ho khetha thapo e ntle ka ho fetisisa ea RF coaxial bakeng sa khaso ea FM ho ipapisitse le lintlha tse 'maloa, ho kenyeletsoa boemo ba motlakase oa transmitter, frequency range, mofuta oa cable le mofuta oa antenna. Litataiso tse akaretsang ke tsena:
1. Boemo ba matla a transmitter: Boemo ba matla a transmitter ea hau bo tla ama mofuta oa thapo eo u e khethang. Li-transmitters tsa matla a tlase a FM li ka khona ho sebelisa likhoele tsa RG-59 kapa RG-6 coaxial, athe li-transmitters tse matla a holimo li ka hloka likhoele tse tenya le tse ikhethang, joalo ka LMR-600 kapa Heliax.
2. Lekhalo la maqhubu: Leqhubu la maqhubu a sebelisoang bakeng sa khaso ea FM hangata le oela lipakeng tsa 88 MHz le 107 MHz. Khetha thapo e ka sebetsanang le mofuta ona oa maqhubu 'me e fana ka khutso e tlase ho fokotsa tahlehelo ea mats'oao.
3. Mofuta oa thapo: Khetha thapo e nang le tšitiso e nepahetseng bakeng sa ts'ebeliso ea hau. Boholo ba litsamaiso tsa khaso tsa FM li sebelisa likhoele tsa 50-ohm, leha lits'ebetso tse ling tsa khale li ka sebelisa likhoele tsa 75-ohm.
4. Sehlopha sa Antenna: Mofuta oa antenna oo u o sebelisang o tla ama khetho ea cable. Mefuta e fapaneng ea li-antenna, joalo ka dipoles kapa li-antenna tse circularly polarized, li ka hloka bolelele le mefuta e itseng ea cable.
Mabaka a tikoloho: Nahana ka lintlha tsa tikoloho moo thapo e tla kenngoa teng. Ka mohlala, haeba mohala o tla pepesehela mongobo kapa mocheso o feteletseng, khetha mohala o nang le khanyetso e phahameng ho lintlha tsena.
6. Tekanyetso: Qetellong, nahana ka moralo oa tšebeliso ea chelete. Mefuta e meng ea likhoele e ka ba theko e phahameng ho feta e meng, empa e ka fana ka ts'ebetso e ntle le ho tšoarella ha nako e telele.
Ho khetha thapo e ntle ka ho fetisisa ea RF coaxial bakeng sa khaso ea FM, buisana le setsebi kapa moenjiniere ea nang le boiphihlelo ka litsamaiso tsa khaso tsa FM. Ba ka u thusa ho lekola litlhoko tsa hau tse ikhethileng le ho khetha thapo e tla fihlela litlhoko tsa hau hantle.
Litlhaloso tse hlokahalang tsa lithapo li tla ipapisa le matla le mefuta ea maqhubu a seea-le-moea. Ka tlase ke likhothaletso tsa ho khetha likhoele tsa RF coaxial bakeng sa matla a tlase, matla a mahareng, le liteishene tsa radio tsa FM tse matla haholo:
Seteishene sa seea-le-moea sa Matla a tlase sa FM
Seteishene sa seea-le-moea sa matla a tlase sa FM hangata se na le matla a tsoang ho 0.1 ho isa ho 10 watts. Bakeng sa seteishene se joalo, ho ka sebelisoa thapo e tlase ea coaxial e nang le tšireletso e ntle le sebaka sa maqhubu a mahareng (ho fihla ho 150 MHz). Mohala o khothaletsoang bakeng sa seteishene sa matla a tlase ke thapo ea RG-58 e nang le impedance ea 50 Ohm. Mofuta ona oa thapo o theko e tlase, ho bonolo ho o kenya, 'me o fana ka tšireletso e lekaneng, e leng se etsang hore e be khetho e ntle bakeng sa liteishene tsa radio tsa FM tse matla. E ka hokeloa ho sebelisoa sehokelo sa mofuta oa BNC kapa oa F, ho latela lisebelisoa tse sebelisoang.
Seteishene sa seea-le-moea sa Matla a Mahareng a FM
Seteishene sa seea-le-moea sa matla a mahareng se na le matla a ho tloha ho 10 ho isa ho 100 watts. Bakeng sa seteishene se joalo, thapo ea coaxial e nang le tahlehelo e tlase, tšireletso e ntle, le lebelo le phahameng la maqhubu (ho fihlela ho 500 MHz) le lokela ho sebelisoa. Mohala o khothaletsoang bakeng sa seteishene sa matla se mahareng ke thapo ea RG-213 e nang le 50 Ohm impedance. Cable ena e na le tahlehelo e tlase ho feta RG-58, e ntlafatsang boleng ba kakaretso ea lets'oao. RG-213 hangata e sebelisoa lits'ebetsong tsa matla a mahareng kaha e khona ho sebetsana le maemo a phahameng a matla 'me e tla le bophara bo boholo ba conductor. E ka hokahanngoa ho sebelisa sehokelo sa PL-259.
Seteishene sa seea-le-moea sa Matla a Phahameng a Matla
Seteishene sa seea-le-moea se matla sa FM hangata se na le matla a tsoang ho 100 ho isa ho li-watts tse fetang 10,000. Bakeng sa seteishene se joalo, ho lokela ho sebelisoa thapo ea coaxial e nang le tahlehelo e tlase, tšireletso e ntle haholo, le lebelo le phahameng la maqhubu (ho fihla ho 1000 MHz). Mohala o khothaletsoang bakeng sa seteishene se phahameng sa matla ke thapo ea LMR-400 e nang le impedance ea 50 Ohm. Cable ena e fana ka tšireletso e ntle ka ho fetisisa le tahlehelo e tlase ho feta lithapo tse telele tsa cable. Thapo ea LMR-400 e etselitsoe ho sebetsana le maemo a phahameng a matla 'me e na le bophara ba conductor bo boholo ho feta RG-58 le RG-213 ka bobeli. E ka hokeloa ho sebelisoa sehokelo sa mofuta oa N.
Mabapi le bolelele, bolelele ba cable bo lokela ho bolokoa bo khuts'oane ka hohle kamoo ho ka khonehang ho fokotsa tahlehelo ea matšoao. Ha u khetha bolelele ba thapo e hlokahalang, ho bohlokoa ho nahana ka sebaka se pakeng tsa transmitter le antenna, matla a tsoang ho transmitter, le litšobotsi tse ikhethileng tsa cable.
Bolelele ba thapo ea RF coaxial e sebelisoang seteisheneng sa seea-le-moea sa FM kapa ts'ebeliso efe kapa efe e ipapisitse le lintlha tse 'maloa joalo ka sebaka se pakeng tsa transmitter le lenakana, leqhubu la maqhubu, tlhahiso ea matla le litlhaloso tsa cable.
Ka tloaelo, likhoele tsa coaxial li tla ka bolelele bo fapaneng bo tloaelehileng ho tloha ho lisenthimithara tse 'maloa ho isa ho limithara tse makholo a' maloa. Bolelele bo atileng haholo ba likhoele tsa RF coaxial tse sebelisoang liteisheneng tsa seea-le-moea tsa FM hangata ke maoto a 50, maoto a 100, maoto a 150 le maoto a 200. Bolelele bo bong bo tloaelehileng ba likhoele tsa coaxial tse sebelisoang lits'ebetsong tse ling li kenyelletsa maoto a 3, maoto a 6, maoto a 10, maoto a 25 le maoto a 500.
Ho bohlokoa ho hlokomela hore bolelele ba thapo ea coaxial bo ka ama matla a lets'oao. Lithapo tse telele tse nang le tahlehelo e phahameng li etsa hore ho be le lets'oao le fokolang, ha lithapo tse khuts'oane tse nang le tahlehelo e tlase li hlahisa lets'oao le matla. Ka hona, hangata ho khothaletsoa ho boloka bolelele ba thapo ea coaxial bo bokhuts'oane ka moo ho ka khonehang ho fokotsa tahlehelo ea mats'oao le ho ntlafatsa ts'ebetso ka kakaretso.
Ka bokhutšoanyane, ha u khetha thapo ea RF coaxial bakeng sa seteishene sa seea-le-moea sa matla a tlase sa FM, ho khothaletsoa thapo ea RG-58. Bakeng sa seteishene sa seea-le-moea sa FM se matla a mahareng, ho khothaletsoa thapo ea RG-213, 'me bakeng sa seteishene sa seea-le-moea se matla sa FM, ho khothaletsoa thapo ea LMR-400. Tšireletso, tšireletso, mefuta ea maqhubu, le matla a ho sebetsana le matla a mangata a lokela ho nahanoa ha ho khethoa thapo. Mefuta e nepahetseng ea sehokelo le eona e lokela ho sebelisoa, ho kenyeletsoa BNC, F, PL-259, le N, ho latela lisebelisoa tse sebelisitsoeng.
Mofuta oa thapo ea RF coaxial e tla sebelisoa bakeng sa seea-le-moea sa FM e khetha mofuta oa sehokelo se tla sebelisoa. Ka tlase ke mefuta ea likhokahanyo tse sebelisoang haholo bakeng sa likhoele tse khothaletsoang tsa RF coaxial bakeng sa matla a tlase, matla a mahareng, le liteishene tsa seea-le-moea sa FM se matla haholo:
1. RG-58 Cable: Bakeng sa liteishene tsa radio tsa FM tse nang le matla a tlase, thapo e khothaletsoang ea RF coaxial ke RG-58. Likhetho tse tloaelehileng tsa sehokelo bakeng sa likhoele tsa RG-58 ke lihokelo tsa mofuta oa BNC le F. Sehokedi sa BNC se sebediswa hangata dipuisanong tsa radio mme se bonolo ho hokela le ho hakolwa. Sehokedi sa mofuta wa F se sebediswa ka tlwaelo metjhesong ya mamelwang ya lapeng le ya video mme ho bonolo ho e kenya.
2. RG-213 Cable: Bakeng sa liteishene tsa radio tsa FM tse matla tse mahareng, thapo e khothaletsoang ea RF coaxial ke RG-213. Khetho e tloaelehileng ea sehokelo bakeng sa likhoele tsa RG-213 ke sehokelo sa PL-259. Sehokelo sena se sebelisoa hangata likhokahanong tsa RF mme se na le litšobotsi tse ntle tsa motlakase le tsa mochini. Ho bonolo ho e kenya mme e na le khokahanyo e sireletsehileng.
3. LMR-400 Cable: Bakeng sa liteishene tsa radio tsa FM tse matla, thapo e khothaletsoang ea RF coaxial ke LMR-400. Khetho e tloaelehileng ea sehokelo bakeng sa likhoele tsa LMR-400 ke sehokelo sa mofuta oa N. Sehokelo sa mofuta oa N se sebelisoa hangata lits'ebetsong tsa microwave le RF mme se na le litšobotsi tse ntle tsa motlakase. E na le khokahano e sireletsehileng 'me e bonolo ho e kenya.
Ka kakaretso, mefuta ea likhokahanyo tse sebelisoang haholo bakeng sa likhoele tsa RG-58 ke lihokelo tsa BNC le F-mofuta. Khetho e tloaelehileng ea sehokelo bakeng sa likhoele tsa RG-213 ke sehokelo sa PL-259. Khetho e tloaelehileng ea sehokelo bakeng sa likhoele tsa LMR-400 ke sehokelo sa mofuta oa N. Leha ho le joalo, ho na le likhetho tse ling tse 'maloa tse fumanehang ho latela ts'ebeliso e khethehileng le lisebelisoa tse sebelisitsoeng. Ho bohlokoa ho etsa bonnete ba hore mofuta oa sehokelo o khethiloeng o lumellana le RF coaxial cable le lisebelisoa tseo o tla hokeloa ho tsona ho qoba tahlehelo ea mats'oao le tšenyo ea thepa.
- Meaho e tloaelehileng ea thapo ea RF coaxial ke efe?
- Lithapo tsa RF coaxial li na le likarolo tse 'maloa tsa lisebelisoa tse etselitsoeng ho fana ka insulation, tšireletso le tšehetso. Sebopeho se tloaelehileng sa thapo ea coaxial ea RF se kenyelletsa likarolo tse latelang ho tloha bohareng ho ea kantle:
1. Mokhanni oa ka hare: Lera lena hangata ke terata e le 'ngoe ea koporo kapa silevera e tsamaisang lets'oao mme e sebetsa e le motheo oa thapo.
2. Insulator ea dielectric: Ho pota-potile mokhanni oa ka hare ho na le lera la thepa e sebetsang e le insulator ea motlakase, e bolokang letšoao le le bohareng ba mohala. Lera lena hangata le entsoe ka thepa e kang polyethylene (PE), polyurethane (PU), kapa Teflon (PTFE).
3. Thebe: Ho potoloha lera la dielectric ke thebe e tsamaisang e fanang ka tšireletso khahlano le tšitiso ea motlakase (EMI) mme e thusa ho ba le lets'oao. Thebe hangata e entsoe ka lithapo tse lohiloeng kapa tse phuthetsoeng ka spiral tse entsoeng ka koporo kapa aluminium.
4. Selata sa Kantle: Lera lena le sireletsa thapo tšenyong ea 'mele, mongobo le lintlha tse ling tsa tikoloho. Lisebelisoa tse tloaelehileng bakeng sa sheath ea ka ntle ke PVC, polyethylene (PE), thermoplastic elastomer (TPE), kapa thepa e thibelang mollo.
Thepa e sebelisoang ho hlahisa thapo ea RF coaxial e ka fapana ho latela kopo le moetsi. Ka mohlala, lithapo tsa tahlehelo e tlase li ka sebelisa lisebelisoa tse nang le dielectric tse tlase le tse fokotsang, ha likhoele tse tenyetsehang li ka sebelisa lisebelisoa tse nang le maemo a holimo. Lisebelisoa tse tloaelehileng tse sebelisoang li kenyelletsa koporo, silevera, aluminium, polyethylene, Teflon, PVC, le lisebelisoa tse ling tse loketseng phetiso ea maqhubu a phahameng.
- Litlhaloso tsa bohlokoahali tsa thapo ea RF coaxial ke life?
- Tse latelang ke lintlha tsa bohlokoahali tsa 'mele le tsa RF tsa thapo ea coaxial ea RF:
1. Tšitiso ea botho: Sebopeho sa impedance ea thapo ea coaxial ke tšitiso e bonoang ke lets'oao ho tlhahiso ea cable. Litšitiso tse atileng haholo bakeng sa likhoele tsa RF coaxial ke 50 ohms le 75 ohms, 'me 50 ohms e le tekanyetso bakeng sa lits'ebetso tse ngata tsa radio frequency.
2. Ho fokotsa thapo: Attenuation ke palo ea tahlehelo ea lets'oao e etsahalang ha lets'oao le tsamaea ka thapo. Ha boleng ba attenuation bo tlase, lets'oao le matla le fetisoang ka thapo. Lithapo tsa tahlehelo e tlase hangata li na le boleng bo tlase ho 1 dB maotong a 100.
3. Lekhalo la maqhubu: Maqhubu a maqhubu a coaxial cable a bolela mefuta e mengata ea maqhubu ao e ka a fetisang ka ho sotha bonyane. Maqhubu a maqhubu a ipapisitse le moaho oa thapo, lisebelisoa, le ts'ebetso ea ts'oaetso.
4. Lebelo la phatlalatso: Lebelo la phatlalatso ke lebelo leo lets'oao le tsamaeang ka lona ka thapo. Hangata e hlalosoa e le peresente ea lebelo la khanya, 'me litekanyetso tse phahameng li emela lebelo la phetisetso e potlakileng.
5. Bokhoni: Capacitance ke bokhoni ba thapo ho boloka tefiso ea motlakase. Boleng bo phahameng ba capacitance bo ka fokotsa ts'ebetso ea thapo lits'ebetsong tsa maqhubu a phahameng ka ho eketsa ponts'o ea matšoao.
6. Matla a sebetsang: Matla a phahameng ao thapo e ka sebetsanang le ona ntle le ho senya.
7. Tšireletso e sebetsang hantle: Ts'ebetso ea tšireletso e lekanya bokhoni ba thebe ea cable ho thibela tšitiso ho tsoa mehloling e meng. Hangata e hlahisoa ka li-decibel ka mithara (dB/m) 'me e itšetlehile ka thepa le kaho ea thapo.
8. Radiase e kobehang e fokolang: Sebaka se tlase sa ho kobeha ke radius e nyane haholo eo thapo e ka kobehang ntle le tšenyo ea sebopeho kapa ts'ebetso ea eona.
9. Lihokelo: Lihokelo li tobane le thapo 'me li tlameha ho ts'oana le impedance ea cable le litlhaloso.
10. Tahlehelo ea ho kenya: Tahlehelo ea ho kenya ke palo ea tahlehelo ea lets'oao e bakoang ke ho kenya motsoako, joalo ka sehokedi kapa sehokelo, ka har'a thapo.
11. Mocheso oa ho sebetsa: Mefuta e fapaneng ea mocheso oo mohala o ka sebetsang ka oona ka botšepehi ntle le ho senya sebopeho kapa ts'ebetso ea oona.
12. Matla a tsitsitseng: Matla a thata ke boholo ba matla ao thapo e ka mamellang pele e robeha.
13. Boima le ho tenyetseha: Lintlha tsena li ama boiketlo ba ho kenya le bokhoni ba ho sebetsana le mohala nakong ea ho kenya le ho lokisa.
14. Retardant retardant Rating: Lisebelisoa tse ling li ka hloka lithapo tse nang le lintlha tse itseng tse thibelang lelakabe ho fihlela melao le melaoana ea polokeho.
15. Tšebeliso ea ka ntle kapa ea ka tlung: Lithapo tse ling li etselitsoe tšebeliso ea kantle 'me li na le likarolo tse ling tse kang ho hanyetsa UV le ho hanyetsa metsi.
Ho bohlokoa ho hlahloba lintlha ka hloko le ho khetha thapo e nepahetseng ea RF coaxial bakeng sa ts'ebeliso e itseng ho netefatsa ts'ebetso e nepahetseng le ts'epo. Ho feta moo, mekhoa e nepahetseng ea ho kenya le ho e hlokomela kamehla e ka thusa ho lelefatsa nako ea bophelo ba thapo le ho thibela tahlehelo ea matšoao kapa tšitiso.
- Ke mefuta efe e tloaelehileng ea likhoele tsa RF coaxial?
- ho na le mefuta e meng e mengata ea likhoele tsa RF coaxial ntle le tse boletsoeng ka holimo. Tse ling tsa tsona ke:
1. RG-6: RG-6 ke 75-ohm coaxial cable e atisang ho sebelisoa bakeng sa lits'ebetso tsa video tsa dijithale le molumo, ho kenyeletsoa cable TV, satellite TV, le phetiso ea matšoao a inthanete. E na le bophara ba hoo e ka bang lisenthimithara tse 0.27 'me e tsebahala ka phetisetso ea eona ea boleng bo holimo ea matšoao a holimo.
2. RG-11: RG-11 ke 75-ohm coaxial cable e sebelisoang lik'hamera tse hole le lits'ebetso tsa phetiso ea data. E sebelisoa hangata ho CATV, CCTV, le litsamaiso tsa puisano tsa sathelaete. RG-11 e na le bophara ba lisenthimithara tse 0.41 'me e na le ts'ebetso e betere le e sireletsang ho feta RG-6.
3. Lithapo tse nyane tsa coaxial: Lithapo tse nyane tsa coaxial ke likhoele tsa bophara bo nyane tse sebelisoang lits'ebetsong moo ho tenyetseha le ho ts'oaroa ha matla a tlase ho bohlokoa. Lithapo tsena li sebelisoa hangata lisebelisoa tsa bongaka, lisebelisoa tsa elektronike tse nkehang habonolo, le litsamaiso tsa puisano tse se nang mohala.
4. Lithapo tsa coaxial tse thata-thata: Lithapo tsa li-semi-rigid coaxial ke mofuta oa thapo ea coaxial e sebetsang hantle e sebelisoang lits'ebetsong tse hlokang botsitso le tahlehelo ea matšoao a tlase holima maemo a mangata a tikoloho. Lithapo tsena hangata li sebelisoa sesoleng, sefofaneng, le lits'ebetsong tse ling tse thata tsa tikoloho.
5. Lithapo tsa triaxial: Lithapo tsa triaxial ke likhoele tse tharo tsa coaxial tse sebelisoang ho thibela tšitiso ea matšoao e bakoang ke masimo a kantle a motlakase. Lithapo tsena li sebelisoa hangata lits'ebetsong tsa phetisetso ea video, lisebelisoa tsa tlhahlobo, le lits'ebetso tse ling moo botšepehi ba matšoao bo leng bohlokoa.
6. Lithapo tsa Twinaxial: Lithapo tsa Twinaxial ke lithapo tsa coaxial tse peli tse sebelisoang bakeng sa mats'oao a maqhubu a tlase lits'ebetsong moo ho fokotsoa ha mats'oao le ho itšireletsa ha lerata ho bohlokoa. Lithapo tsena li sebelisoa hangata lits'ebetsong tsa phetisetso ea data ea dijithale le analoge.
7. Lithapo tsa coaxial tse lumellanang: Lithapo tsa coaxial tse lumellanang ke lithapo tse tenyetsehang, tse thata-thata tse sebelisoang lits'ebetsong moo ho tenyetseha le boiketlo ba ho kenya li bohlokoa. Lithapo tsena li na le phetiso ea mats'oao a boleng bo holimo 'me hangata li sebelisoa lits'ebetsong tsa radio tsa microwave, lisebelisoa tsa tlhahlobo le lits'ebetso tse ling.
8. Superflex RF coaxial cable: Superflex coax ke thapo e sebetsang hantle haholo eo e leng ea sehlopha sa lithapo tsa coaxial tse tahlehelo e tlase. Le hoja e arolelana lintho tse ling tse tšoanang le lithapo tse boletsoeng ka holimo, tse kang RG-8 le LMR-400, e na le moralo o ikhethang o lumellang ho eketseha ha maemo le ho fokotsa ho fokotseha ha ho bapisoa le lithapo tsa khale tse lahleheloang haholo. Monyetla o ka sehloohong oa lithapo tsa superflex ke bokhoni ba tsona ba ho kobeha le ho sotha habonolo ntle le ho ama boleng ba matšoao, ho etsa hore e be tse loketseng bakeng sa lits'ebetso moo likhoele li hlokang ho tsamaisoa ho potoloha likhutlo tse thata kapa maemong ao ho thothomelang kapa ho sisinyeha ho ka bang teng. Lithapo tsa Superflex hangata li sebelisoa lits'ebetsong tsa mehala le tse nkehang habobebe, joalo ka li-antenna tsa likoloi le liea-le-moea tse tšoaroang ka letsoho, hammoho le lits'ebetsong tse ling moo ho feto-fetoha ha maemo le ho tsamaea ho hlokahalang.
9. Lithapo tse thata tsa coaxial: Lithapo tse thata tsa coaxial ke mofuta oa thapo ea coaxial e sebelisoang lits'ebetsong tse matla haholo moo ho fokotseha ho tlase ho hlokahalang. Lithapo tsena hangata li na le mokhanni o thata oa kantle le thepa e tiileng ea dielectric, e li lumellang ho fana ka matšoao a boleng bo holimo lits'ebetsong tse fapaneng.
10. Lithapo tsa Helix: Lithapo tsa Helix ke mofuta oa mohala oa coaxial o sebelisoang lits'ebetsong moo boemo bo phahameng ba taolo ea maqhubu bo leng bohlokoa. Hangata lithapo tsena li sebelisoa thutong ea linaleli tsa seea-le-moea, moo li ka sebelisoang ho amohela melaetsa e tsoang ho lisathelaete le mehloling e meng e hōle.
11. Lithapo tsa coaxial tse lekantsoeng ka plenum: Lithapo tsa coaxial tse lekantsoeng ka plenum ke mofuta oa thapo ea coaxial e etselitsoeng ho sebelisoa lits'ebetsong tsa HVAC moo ho hlokahalang mosi o tlase le chefo e tlase. Lithapo tsena li sebelisoa hangata meahong ea khoebo, likolong le libakeng tse ling tsa sechaba.
12. VHD2000: VHD2000 ke mofuta oa 75-ohm coaxial cable e sebelisoang lits'ebetsong tsa video tsa dijithale, joalo ka TV ea boleng bo holimo le audio ea dijithale. Lithapo tsa VHD2000 li na le ts'ebetso e ntle ea motlakase, 'me li tsebahala ka ho tšoarella ha tsona le ho ts'epahala.
13. QMA: QMA ke mofuta oa sehokelo sa RF se sebelisoang lithapong tsa coaxial mekhoeng ea puisano e se nang mohala. Sehokelo sena se na le moralo oa snap-lock o lumellang ho kenya le ho tlosoa habonolo, ho etsa hore e be se loketseng ho sebelisoa lits'ebetsong moo ho hlokoang khafetsa.
14. SMA: SMA ke mofuta oa sehokelo sa RF se sebelisoang hangata litsamaisong tsa puisano tsa seea-le-moea, lisebelisoa tsa liteko, le lits'ebetso tse ling tsa maqhubu a holimo. Sehokelo sena se na le mochini o kopanyang likhoele o tiisang khokahano e sireletsehileng lipakeng tsa thapo le lisebelisoa.
15. UTC: UTC ke mofuta oa thapo ea coaxial e sebelisoang hangata lits'ebetsong tsa puisano, radar le lits'ebetsong tse ling tsa sesole. Lithapo tsena li tsebahala ka ho tšoarella ha tsona le ho ts'epahala, li etsa hore e be tse loketseng ho sebelisoa libakeng tse thata.
16. CT-125: CT-125 ke mofuta oa 50-ohm coaxial cable e sebelisoang mekhoeng ea puisano ea RF e hlokang bokhoni bo phahameng ba ho sebetsana le matla. Lithapo tsena li sebelisoa hangata lits'ebetsong tsa sesole le tsa sefofane, hammoho le lits'ebetsong tsa puisano tsa mehala.
17. LMR-100: LMR-100 ke mofuta oa thapo e tlase ea 50-ohm coaxial thapo e sebelisoang hangata lits'ebetsong tsa maqhubu a phahameng tse hlokang ts'ebetso e ntle ea motlakase, joalo ka lits'ebetso tsa WLAN, Wi-Fi le GPS.
18. MIL-C-17: Ena ke lintlha tsa sesole bakeng sa likhoele tsa coaxial tse sebelisoang lits'ebetsong tsa sesole le tsa sefofane. Lithapo tsa MIL-C-17 li etselitsoe ho kopana le ts'ebetso e tiileng le litekanyetso tsa boleng, 'me li sebelisoa hangata lits'ebetsong tsa mahlale a puisano, lits'ebetso tsa radar le lits'ebetso tse ling tse ts'epahalang haholo.
19. RG-179: RG-179 ke mofuta oa 75-ohm coaxial cable e sebelisoang hangata lits'ebetsong tsa video, joalo ka lits'ebetso tsa CCTV, le lits'ebetsong tsa maqhubu a holimo, joalo ka lits'ebetso tsa GPS. Lithapo tsa RG-179 li khona ho tenyetseha hantle 'me li tsebahala ka ho thella ha tsona le boleng bo botle ba matšoao.
20. Lithapo tse tsamaisoang ka moea: Lithapo tse tsamaeang ka moea ke mofuta oa thapo ea coaxial e sebelisoang sebakeng sa sefofane le lits'ebetso tsa ts'ireletso tse hlokang ts'epo e phahameng le ts'ebetso e ntle haholo libakeng tse thata. Lithapo tsena li etselitsoe ho kopana le maemo a thata a sesole le indasteri, 'me hangata li sebelisoa lifofaneng, limisaeleng le lits'ebetsong tse ling tsa sefofane.
21. Lithapo tsa ECX: ECX ke mofuta oa thapo ea coaxial e sebelisoang hangata ho Ethernet le lits'ebetso tsa phetiso ea data. Lithapo tsena li na le tšireletso e ntle ea lerata 'me li etselitsoe ho boloka botšepehi ba matšoao lits'ebetsong tsa phetisetso ea data e potlakileng.
22. Lihokelo tsa D-subminiature: Lihokelo tsa D-subminiature ke mofuta oa sehokelo sa RF se atisang ho sebelisoa lithapong tsa coaxial thepa ea elektroniki, joalo ka likhomphutha le litsamaiso tsa puisano. Lihokelo tsena li tsebahala ka ho tšoarella ha tsona le boiketlo ba tšebeliso.
Mofuta o mong le o mong oa mohala oa coaxial le sehokelo o na le likarolo tsa oona tse ikhethang, melemo le mefokolo, 'me ho nahanoa ka hloko ka litlhoko tsa kopo le litlhaloso ke tsa bohlokoa ha u khetha mohala o loketseng le sehokelo bakeng sa kopo e itseng.
- U ka khetha likhoele tsa RF coaxial joang ho latela lits'ebetso?
- Ho khetha thapo e nepahetseng ea RF coaxial bakeng sa lits'ebetso tsa khaso ho ipapisitse le lintlha tse 'maloa, ho kenyeletsoa lebelo la maqhubu, boemo ba matla, mofuta oa lets'oao, le sebaka se pakeng tsa lisebelisoa tse fetisang le tse amohelang. Litaelo tse akaretsang tsa ho khetha thapo e nepahetseng ea coaxial bakeng sa lits'ebetso tse fapaneng tsa khaso ke tsena:
1. Khaso ea UHF: Khaso ea UHF hangata e sebelisa maqhubu a pakeng tsa 300 MHz le 3 GHz. Bakeng sa lits'ebetso tsa khaso ea UHF, likhoele tsa tahlehelo e tlase joalo ka LMR-400 le RG-213 hangata lia khothaletsoa, kaha li fana ka boleng bo botle ba lets'oao le phokotso e tlase.
2. Khaso ea VHF: Khaso ea VHF hangata e sebelisa maqhubu a pakeng tsa 30 MHz le 300 MHz. Bakeng sa lits'ebetso tsa khaso ea VHF, lithapo tsa tahlehelo e tlase joalo ka LMR-600 le RG-11 hangata lia khothaletsoa, kaha li fana ka boleng bo botle ba lets'oao le phokotso e tlase.
3. Khaso ea FM: Khaso ea FM hangata e sebelisa maqhubu a pakeng tsa 88 MHz le 108 MHz. Bakeng sa lits'ebetso tsa khaso ea FM, lithapo tsa tahlehelo e tlase joalo ka LMR-600 le RG-11 hangata lia khothaletsoa, kaha li fana ka boleng bo botle ba lets'oao le phokotso e tlase.
4. Khaso ea hoseng: Khaso ea AM hangata e sebelisa maqhubu a lipakeng tsa 535 kHz le 1.7 MHz. Bakeng sa lits'ebetso tsa khaso ea AM, hangata ho sebelisoa likhoele tsa boleng bo holimo tse kang RG-8X le RG-58, kaha li loketse mats'oao a maqhubu a tlase 'me li batla li le theko e tlase.
5. Khaso ea TV: Khaso ea TV hangata e sebelisa maqhubu a lihlopha tsa VHF le UHF, ho latela sebaka le naha. Bakeng sa lits'ebetso tsa khaso ea TV, lithapo tsa tahlehelo e tlase joalo ka LMR-600 le RG-11 hangata lia khothaletsoa, kaha li fana ka boleng bo botle ba lets'oao le phokotso e tlase.
Ka kakaretso, ho bohlokoa ho khetha thapo ea coaxial e nang le tšitiso e nepahetseng (hangata 50 Ohms kapa 75 Ohms) bakeng sa sistimi ea khaso e sebelisoang, hammoho le tšireletso e nepahetseng le motheo. Lintlha tse ling li ka kenyelletsa bolelele ba thapo, theko ea thapo, le maemo a tikoloho a sebaka sa ho kenya. Ho buisana le moenjiniere kapa setsebi sa setsebi ho ka boela ha thusa ho khetha thapo e nepahetseng ea coaxial bakeng sa lisebelisoa tse khethehileng tsa khaso.
- Joang ho kenya thapo ea RF coaxial ka nepo bakeng sa ho hasanya?
- Mokhoa oa ho kenya mohala oa coaxial ho antenna ea khaso ea seea-le-moea le likarolo tse ling tsa cabling li ka fapana ho itšetlehile ka mofuta o itseng oa khaso le thepa e sebelisoang. Leha ho le joalo, mona ke mehato e akaretsang e ka lateloang bakeng sa lits'ebetso tse ngata:
1. Etsa moralo oa ho Kenya: Pele o qala ts'ebetso ea ho kenya, ke habohlokoa ho rera moralo oa tsamaiso, ho fumana lisebelisoa tse hlokahalang, le ho hlahloba litšitiso leha e le life tse ka bang teng. Ho bohlokoa hape ho etsa bonnete ba hore ho kenya ho latela melao ea lehae le likhoutu tsa polokeho.
2. Thabang Antenna: Qala ka ho kenya antenna holim'a tora ka bophahamo le sebaka seo u se batlang. Sireletsa lenakana u sebelisa li-clamp kapa lisebelisoa tse ling tse holisang, 'me u netefatse hore e theiloe hantle.
3. Hokela Coaxial Cable: Hang ha lenakana le se le le sebakeng, hokela thapo ea coaxial sebakeng sa fepelo sa lenakana. Sebelisa likhokahano tse loketseng, joalo ka Mofuta oa N kapa BNC, 'me u netefatse hore likhokahano li tiile ebile li sireletsehile.
4. Kenya Surge Arrestor: Kenya sets'oants'o se ts'oarellang kapa se sireletsang lehalima lipakeng tsa antenna le thapo ea coaxial ho itšireletsa khahlanong le ho matla ha motlakase le ho otla ha lehalima. Sesebelisoa sa ho ts'oara se tlameha ho theoa hantle 'me se lokela ho lekanyetsoa bakeng sa mefuta e itseng ea maqhubu a tsamaiso.
5. Mathisa thapo ea Coaxial: Matha thapo ea coaxial ho tloha ho antenna ho ea kamoreng ea lisebelisoa kapa sebaka sa transmitter. Sebelisa li-clamp le litšehetso tse loketseng ho tiisa thapo haufi le tora le ho e thibela ho thella kapa ho hohla lintho tse ling.
6. Kenya Sesebediswa sa Tshebetso sa Letshwao: Kenya lisebelisoa life kapa life tse hlokahalang tsa ho sebetsa mats'oao, joalo ka lifilthara kapa liamplifiers, sebakeng sa transmitter kapa phaposi ea lisebelisoa. Kopanya thapo ea coaxial ho kenyelletsong ea lisebelisoa tsa ts'ebetso ea matšoao.
7. Theha Sisteme: Netefatsa hore tsamaiso eohle e theiloe ka nepo ho fokotsa kotsi ea tšenyo ea motlakase kapa tšitiso. Theha thapo ea coaxial, antenna, le likarolo tse ling tsohle tsa tšepe u sebelisa lithupa tse loketseng tsa fatše le li-clamp.
Nakong ea ts'ebetso ea ho kenya, ho bohlokoa ho nka mehato ea polokeho, joalo ka ho sebelisa lisebelisoa tse nepahetseng tsa polokeho le ho latela litataiso tse nepahetseng tsa polokeho ea motlakase. Ho bohlokoa hape ho lekola sistimi hang ha ts'ebetso e felile ho netefatsa hore e sebetsa hantle le ho fihlela lintlha tse hlokahalang tsa ts'ebetso. Lintlha tse tobileng tsa ts'ebetso ea ho kenya li ka fapana ho itšetlehile ka mofuta oa khaso le thepa e sebelisoang, kahoo ho buisana le moenjiniere oa setsebi kapa setsebi ho ka thusa ho netefatsa hore ho kenngoa ka katleho le ho bolokeha.
Ho ka sebelisoa mefuta e mengata ea lisebelisoa nakong ea ho kenya thapo ea coaxial ho antenna ea khaso ea seea-le-moea le likarolo tse ling tsa cabling. Tse ling tse tloaelehileng ke tsena:
1. Thepa ea ho Hlōla Tora: Lisebelisoa tsa ho hloa litora, tse kang lithapo tse sireletsang, likhoele le li- carabiner, li bohlokoa ho mang kapa mang ea hloang tora ho kenya kapa ho hlahloba thepa. Batho ba hloang le bona ba lokela ho roala lisebelisoa tse loketseng tsa ho itšireletsa (PPE), joalo ka likatiba tse thata le likhalase tsa tšireletso.
2. Mounting Hardware: Lisebelisoa tse ntseng li hola, joalo ka li-clamp, liboutu le masakaneng, li sebelisoa ho boloka antenna le likarolo tse ling sebakeng sa tora.
3. Coaxial Cable: Cable ea coaxial ka boeona ke karolo e hlokahalang ea ts'ebetso ea ho kenya. Mofuta o itseng le bolelele ba thapo bo tla ipapisa le mofuta oa khaso le sebaka se pakeng tsa antenna le kamore ea lisebelisoa kapa sebaka sa transmitter.
4. Lihokelo: Lihokelo tsa thapo tsa coaxial, joalo ka lihokelo tsa Type N, BNC, le F, li sebelisoa ho hokela thapo ho antenna le lisebelisoa tse ling.
5. Thepa ea ho Fokotsa: Thepa ea fatše, joalo ka lithupa tsa fatše, li-clamp le terata, li sebelisoa ho theola lenakana le likarolo tse ling tsa tšepe ho thibela tšenyo ea motlakase kapa tšitiso.
6. Bats'oaruoa ba Maholo: Lits'ireletso tsa motlakase kapa litšireletseho tsa lehalima li kentsoe ho sireletsa lisebelisoa le basebetsi ho otla ka tsela e sa tobang kapa ho ts'oaroa ha motlakase.
7. Lisebelisoa tsa ho Etsa Lipontšo: Thepa e sebetsanang le mats'oao, joalo ka liamplifiers, li-filters, le li-hybrid compaters, le tsona li ka kengoa e le karolo ea sistimi ea khaso.
8.Lisebelisoa tsa Teko: Thepa ea ho etsa liteko le ho metha, joalo ka lijenereithara tsa matšoao, limithara tsa motlakase tsa RF, le li-spectrum analyzers, li ka sebelisoa ho netefatsa hore sistimi e sebetsa hantle le ho fihlela litlhoko tse hlokahalang tsa ts'ebetso.
Thepa e nepahetseng ea ho kenya e ea hlokahala ho netefatsa ho kenngoa ka katleho le ka mokhoa o sireletsehileng oa mohala oa coaxial ho antenna ea khaso ea seea-le-moea le likarolo tse ling tsa cabling. Ho bohlokoa ho khetha lisebelisoa tsa boleng bo holimo le ho latela mekhoa e nepahetseng ea ho kenya ho fokotsa kotsi ea tšenyo kapa kotsi.
- Ke eng e fapaneng le thapo ea RF coaxial ea khoebo le boemo ba bareki?
- Ka kakaretso, ho na le liphapang tse 'maloa lipakeng tsa likhoele tsa khoebo tsa RF coaxial le likhoele tsa boemo ba bareki tsa RF coaxial maemong a khaso ea seea-le-moea. Mona ke tse ling tsa liphapang tsa bohlokoa:
1. Mefuta ea Lithapo tsa Coaxial tse Sebelisitsoeng: Lithapo tsa khoebo tsa RF coaxial hangata li maemong a holimo ebile li ikhethile ho feta likhoele tsa boemo ba bareki, 'me li ka kenyelletsa mefuta e kang LMR, Heliax, le mefuta e meng e ikhethang. Ka lehlakoreng le leng, lithapo tsa coaxial tsa boemo ba bareki hangata li sebetsa ka kakaretso 'me li ka kenyelletsa mefuta e kang RG-6 le RG-59.
2. Melemo le Mefokolo: Hangata likhoele tsa khoebo tsa RF coaxial li na le ts'ebetso e holimo 'me li etselitsoe lits'ebetso tse ikhethileng, tse ka fellang ka boleng bo betere ba mats'oao le tahlehelo e tlase ea mats'oao. Leha ho le joalo, hangata lithapo tsena li bitsa chelete e ngata ’me li ka ’na tsa hloka tsebo e eketsehileng ho li kenya le ho li hlokomela. Lithapo tsa coaxial tsa boemo ba bareki hangata li theko e tlase ebile ho bonolo ho li kenya, empa li ka fana ka ts'ebetso e tlase 'me li kanna tsa se tšoanelehe bakeng sa lits'ebetso tse ikhethileng.
3. Litefiso: Lithapo tsa khoebo tsa RF coaxial hangata li theko e phahameng ho feta likhoele tsa boemo ba bareki, kaha li etselitsoe ts'ebetso e phahameng le lits'ebetso tse ikhethileng. Litheko li ka fapana haholo ho latela mofuta oa thapo, bolelele bo hlokahalang le lintlha tse ling.
4.Likopo: Lithapo tsa khoebo tsa RF coaxial hangata li sebelisoa lits'ebetsong tsa khaso tsa profeshenale moo ho hlokahalang matšoao a matla a holimo le a boleng bo holimo, joalo ka liteishene tsa TV le seea-le-moea. Lithapo tsa coaxial tsa boemo ba bareki li sebelisoa haholo lits'ebetsong tsa boithabiso tsa lapeng, joalo ka TV ea thapo kapa TV ea sathelaete.
Tshebetso: Lithapo tsa khoebo tsa RF coaxial hangata li etselitsoe ho fana ka tahlehelo e tlase ea lets'oao, ts'ireletso e phahameng, le bokhoni ba ho sebetsana le matla a phahameng, e leng se ka fellang ka boleng bo betere le ho ts'epahala. Lithapo tsa coaxial tsa boemo ba bareki li ka 'na tsa se ke tsa fana ka boemo bo tšoanang ba ts'ebetso,' me li ka ba bonolo haholoanyane lerata le tšitiso.
6. Libopeho: Lithapo tsa khoebo tsa RF coaxial hangata li matsaranka ebile li tšoarella ho feta likhoele tsa boemo ba bareki, tse nang le mokelikeli o motenya le o sireletsang khahlanong le maemo a tikoloho joalo ka boemo ba leholimo, mocheso o feteletseng le khatello ea maikutlo. Hangata lithapo tsa boemo ba bareki li bobebe ebile lia tenyetseha, ho etsa hore ho be bonolo ho li kenya tsamaisong ea boithabiso ea lapeng.
7. Khafetsa: Lithapo tsa khoebo tsa RF coaxial hangata li etselitsoe ho sebetsana le maqhubu a holimo ho feta lithapo tsa boemo ba bareki, tse ka 'nang tsa hlokahala bakeng sa lits'ebetso tsa marang-rang tse phahameng joalo ka khaso ea TV le seea-le-moea. Lithapo tsa boemo ba bareki li kanna tsa se be le lebelo le lekanang 'me li kanna tsa se tšoanele mefuta eohle ea mats'oao.
8. Ho Kenya, Tokiso, le Tlhokomelo: Lithapo tsa khoebo tsa RF coaxial li ka hloka boiphihlelo bo bongata ho kenya, ho lokisa, le ho hlokomela ho feta likhoele tsa boemo ba bareki, kaha hangata li ikhethile haholo 'me li ka hloka lisebelisoa le mahlale a khethehileng. Hangata lithapo tsa boemo ba bareki li bonolo ho kenya 'me li ka fumanoa mabenkeleng a mangata a lisebelisoa tsa elektronike,' me li ka nkeloa sebaka habonolo haeba li senyehile.
Ka kakaretso, likhoele tsa khoebo tsa RF coaxial le likhoele tsa coaxial tsa boemo ba bareki li na le melemo le likotsi tse fapaneng, litheko, lits'ebetso, ts'ebetso, meaho, khafetsa, ho kenya, ho lokisa le ho hlokomela, ho latela mofuta oa sesebelisoa sa khaso le boemo ba ts'ebetso bo hlokahalang. . Ho khetha mofuta o nepahetseng oa thapo ea coaxial bakeng sa ts'ebeliso e itseng ho tla itšetleha ka lintlha tse kang litšenyehelo, litlhoko tsa ts'ebetso, le boiketlo ba ho kenya.
- Ke lithapo life tse tloaelehileng tsa RF coaxial bakeng sa li-transmitters tsa khaso?
- Ho na le mefuta e mengata ea lithapo tsa RF tsa coaxial tse sebelisetsoang ho hasa li-transmitter ho AM, TV, UHF, VHF, joalo-joalo. Mofuta oa thapo ea coaxial o sebelisoang o itšetlehile ka maqhubu, boemo ba matla, le litlhoko tse ling tsa mochine o khethehileng.
Mabapi le boemo ba matla, li-transmitter tsa motlakase o tlase hangata li sebelisa thapo ea coaxial ea RG-59 kapa RG-6, ha li-transmitters tsa matla a mahareng li ka sebelisa RG-213/U kapa LMR-400 coaxial cable. Li-transmitters tse nang le matla a phahameng li ka hloka likhoele tse khethehileng tsa coaxial tse kang HELIAX kapa EC4-50.
Mofuta oa sehokelo o sebelisitsoeng ho thapo ea coaxial le ona o fapana ho latela litlhoko tsa transmitter e khethehileng. Mefuta e meng e tloaelehileng ea likhokahanyo e sebelisoang liphatlalatsong tsa khaso e kenyelletsa BNC, N-Type, le 7/16 DIN.
Mehlala ke ena ea mefuta e fapaneng ea likhoele tsa RF coaxial tse sebelisoang khaso:
- RG-59: Ena ke 75 Ohm coaxial cable e atisang ho sebelisoa lits'ebetsong tsa khaso ea matla a tlase, joalo ka lisebelisoa tsa cable TV le CCTV.
- RG-6: Hona hape ke 75 Ohm coaxial cable e sebelisoang lits'ebetsong tsa khaso ea matla a tlase, haholo lits'ebetsong tsa cable TV.
- RG-213/U: Ena ke thapo ea coaxial ea 50 Ohm e sebelisoang hangata lits'ebetsong tsa khaso ea matla a mahareng, joalo ka lits'ebetso tsa radio tsa mehala.
LMR-400: Ena ke thapo e tlase ea 50 Ohm coaxial e sebelisoang hangata lits'ebetsong tsa matla a mahareng, joalo ka TV ea phatlalatso.
- HELIAX: Ena ke thapo ea coaxial ea matla a holimo e etselitsoeng ho sebelisoa lits'ebetsong tse hlokang matla, joalo ka khaso ea matla a holimo le lisebelisoa tsa cellular.
- EC4-50: Ena ke thapo ea coaxial ea tahlehelo e tlase e etselitsoeng lits'ebetso tsa khaso e matla haholo, joalo ka liteishene tsa FM le TV.
Phapang lipakeng tsa mefuta ena ea likhoele tsa coaxial e kenyelletsa ho se sebetse ha bona, litšobotsi tsa tahlehelo, le bokhoni ba ho sireletsa. Ka kakaretso, lithapo tse nang le tahlehelo e tlase le bokhoni bo phahameng ba ho sireletsa li loketse hamolemo bakeng sa lits'ebetso tsa matla a phahameng, athe lisebelisoa tse tlase tsa matla li ka hloka likhoele tse theko e tlase le tse tlase.
Leha ho le joalo, likhoele tsa RF coaxial tsa mefuta e boletsoeng ke lihlahisoa tse tloaelehileng tse ka sebelisoang lits'ebetsong tse fapaneng tsa khaso, ho kenyeletsoa FM, AM, TV, le li-transmitters tse ling. Litlhoko tse ikhethileng tsa thapo, joalo ka impedance, VSWR, le bolelele, li ka fapana ho latela ts'ebeliso le transmitter e sebelisoang, empa mefuta e tšoanang ea likhoele ka kakaretso e ka sebelisoa lits'ebetsong tse fapaneng tsa khaso. Litheko li ka boela tsa fapana ho latela lintlha tse kang bolelele, boleng ba thepa, le mekhoa ea tlhahiso.
- Ke eng e ka hlolehang thapo ea RF coaxial ho sebetsa?
- Ho na le maemo a 'maloa, mabaka, kapa ts'ebetso e sa nepahalang ea letsoho e ka etsang hore thapo ea RF coaxial e hlolehe. Tse ling tse tloaelehileng ke tsena:
1. Lithapo tse kobehileng kapa tse kobehileng: Ho kobeha kapa ho koala thapo ea RF coaxial ho ka baka tšenyo ho conductor le insulator e ka hare, e leng ho lebisang tahlehelong ea lets'oao kapa litaba tse ling. Ho qoba sena, etsa bonnete ba hore o tšoara lithapo ka hloko 'me u qobe ho li kobeha ka thata.
2. Lihokelo tse sa nepahalang: Ho sebelisa sehokelo sa mofuta o fosahetseng kapa ho sebelisa likhokahanyo tse kentsoeng hampe ho ka baka tahlehelo ea mats'oao kapa mathata a mang. Etsa bonnete ba hore o sebelisa mofuta o nepahetseng oa sehokelo bakeng sa thapo ea hau mme o netefatse hore e kentsoe hantle.
Mabaka a tikoloho: Ho pepesehela mocheso o feteletseng, serame, mongobo, kapa maemo a mang a tikoloho ho ka baka tšenyo ea thapo kapa likhokahano tsa eona ha nako e ntse e ea. Ho qoba sena, leka ho boloka likhoele sebakeng se hloekileng, se omileng le se tsitsitseng.
4. Khatello ea mechine: Ho hula, ho otlolla, kapa ho beha khatello e ngata ho thapo ho ka baka tšenyo ho mokhanni oa kahare le insulator, e lebisang tahlehelong ea matšoao kapa litaba tse ling. Etsa bonnete ba hore u qoba ho sebelisa matla a feteletseng kapa tsitsipano ho thapo.
5. Tšitiso ea motlakase (EMI): Maemo a phahameng a EMI ho tsoa ho lisebelisoa tsa elektroniki tse haufi a ka baka tšitiso le tahlehelo ea mats'oao ho thapo ea hau. Ho qoba sena, leka ho beha likhoele hole le mehloli ea EMI, kapa sebelisa likhoele tse sirelelitsoeng ha ho hlokahala.
Ho fokotsa kotsi ea ho hloleha, ho bohlokoa ho tšoara lithapo ka hloko, ho sebelisa likhokahano tse nepahetseng, ho li boloka sebakeng se tsitsitseng, ho qoba khatello ea maikutlo, le ho fokotsa ho pepesehela EMI. Ho feta moo, ho lula u hlahloba lithapo bakeng sa matšoao a ho senyeha kapa ho taboha ho ka thusa ho lemoha mathata leha e le afe a ka hlahang pele a fetoha mathata a maholo.
- Mokhoa oa ho sebelisa le ho boloka thapo ea RF coaxial ka nepo?
- Malebela ke ana a ho sebelisa le ho boloka thapo ea RF coaxial ka nepo ho eketsa tebello ea bophelo ba eona:
1. Khetha mofuta o nepahetseng oa thapo bakeng sa ts'ebeliso ea hau: Ho sebelisa mofuta o nepahetseng oa thapo bakeng sa kopo ea hau e khethehileng ho ka thusa ho netefatsa hore thapo e khona ho sebetsana le maqhubu a hlokahalang le maemo a matla.
2. Tšoara lithapo ka hloko: Qoba ho khina, ho kobeha, kapa ho otlolla thapo, kaha sena se ka baka tšenyo ho mokhanni oa kahare le insulator. Netefatsa hore o tshehetsa thapo hantle, haholo ha o etsa dikgokelo.
3. Sebelisa likhokahano tse nepahetseng: Sebelisa mofuta o nepahetseng oa sehokedi bakeng sa thapo ya hao mme o netefatse hore e kentswe ka nepo, e se na dikgokelo tse hlephileng kapa kgatello e sa hlokahaleng thapong.
4. Boloka lithapo li hloekile li bile li omme: Lerōle, litšila, mongobo le lintho tse ling tse silafatsang li ka baka tšenyo kapa ho senya thapo kapa lihokelo tsa eona. Hloekisa khafetsa 'me u hlahlobe lithapo ho netefatsa hore li maemong a matle.
5. Fokotsa ho pepesehela tšitiso ea motlakase (EMI): Maemo a phahameng a EMI ho tsoa ho lisebelisoa tse ling tsa elektroniki kapa li-transmitter tse haufi li ka baka tšitiso le tahlehelo ea matšoao. Beha likhoele hole le mehloli ea EMI, kapa sebelisa likhoele tse sirelelitsoeng ha ho hlokahala.
6. Hlahloba lithapo khafetsa bakeng sa matšoao a ho senyeha kapa a senyehileng: Sheba lithapo bakeng sa matšoao a ho robeha, kinks, kapa tšenyo e 'ngoe e ka senyang ts'ebetso ea tsona. Sena se ka thusa ho tseba mathata a ka bang teng pele a fetoha mathata a maholo.
7. Lekola likhoele nako le nako: Sebelisa sehlahlobi sa RF ho lekola tšebetso ea likhoele tsa hau nako le nako ho netefatsa hore li sebetsa hantle. Sena se ka thusa ho tseba ho senyeha hofe kapa hofe ho boleng ba matšoao kapa litaba tse ling.
Ka ho latela litloaelo tsena, o ka thusa ho eketsa tebello ea bophelo ea thapo ea hau ea RF coaxial le ho netefatsa hore e sebetsa ka ts'epo ha nako e ntse e ea.
- Lithapo tsa RF coaxial li etsoa joang 'me qetellong li kenngoe?
- Lithapo tsa RF coaxial li etsoa ka mokhoa oa mekhahlelo e mengata o kenyelletsang khetho ea thepa, ho kopanya lithapo, tlhahlobo le ho kenya. Mona ke kakaretso e akaretsang ea karolo ka 'ngoe ea ts'ebetso le lisebelisoa tse ka sebelisoang:
1. Khetho ea lisebelisoa: Mohato oa pele oa ho etsa thapo ea RF coaxial ke ho khetha lisebelisoa tse tla sebelisoa. Hangata sena se kenyelletsa koporo e ka hare ea koporo kapa aluminium, insulator ea dielectric, le khondatara ea kantle e entsoeng ka terata e lohiloeng kapa foil.
2. Kopano ea Cable: Mohato o latelang ke ho bokella mohala ka ho sotha mokhanni oa ka hare ka insulator ea dielectric le ho e phuthela ka mokhanni oa ka ntle. Hang ha thapo e se e kopantsoe, lihokelo hangata li hokelloa pheletsong ka 'ngoe.
Thepa e sebelisoang:
- terata ea koporo kapa ea aluminium bakeng sa mokhanni oa kahare
- Mefuta e fapaneng ea lisebelisoa bakeng sa dielectric, joalo ka PTFE, PE, FEP kapa PVC
- Mochini o lohang kapa mochini o phuthelang foil bakeng sa mokhanni oa kantle
- Lihokelo le lisebelisoa tsa crimping bakeng sa ho hokela lihokelo pheletsong ka 'ngoe
3.Ho lekoa: Hang ha thapo e kopantsoe, e tlameha ho lekoa ho netefatsa hore e kopana le lintlha tse hlokahalang tsa motlakase bakeng sa ts'ebeliso e reriloeng. Hangata sena se kenyelletsa tlhahlobo ea impedance, tahlehelo ea ho kenya, le litšobotsi tse ling.
Thepa e sebelisoang:
- Bahlahlobisisi ba marang-rang bakeng sa ho hlahloba impedance ea cable le tahlehelo ea ho kenya
- Spectrum analyzers bakeng sa ho lekanya matla a lets'oao le ho sekaseka karabelo ea khafetsa
- Li-reflectors tsa nako-domain (TDRs) bakeng sa ho bona liphoso ho thapo
Ho tlisoa ha likhoele tsa RF coaxial hangata ho kenyelletsa ho paka likhoele le ho li romella ho moreki kapa mofani oa thepa. Ho ipapisitsoe le sebaka le mokhoa oa ho tsamaisa, ho ka ba le lintlha tse ling tse amanang le ho paka le ho tsamaisa likhoele:
4. Ho paka: E le ho sireletsa lithapo nakong ea lipalangoang, hangata li phutheloa ka tsela e thibelang tšenyo kapa ho ferekana. Sena se ka kenyelletsa ho khoaela lithapo ka makhethe le ho li tiisa ka marapo kapa lithae.
5. Ho Romella: Mokhoa oa ho romella o tla sebelisoa ho latela sebaka le ho potlaka ha odara. Bakeng sa maeto a malelele kapa thepa e romelloang mose ho maoatle, lithapo li ka romeloa ka sefofane kapa ka sekepe. Lithapo li ka boela tsa romeloa ka lipalangoang tsa fatše bakeng sa sebaka se sekhutšoanyane.
Thepa e sebelisoang:
- Mochini o kopanyang thapo bakeng sa ho khoaela thapo ka makhethe
- Mechini e tlamang lithapo kapa lithae tsa zip bakeng sa ho tiisa likhoele sebakeng
- Lisebelisoa tsa ho paka joalo ka sephutheloana sa bubble, lienfelopo tse patisitsoeng kapa mabokose bakeng sa ho sireletsa likhoele nakong ea leeto.
6. Kopo: Hang ha thapo e entsoe le ho lekoa, e ka kenngoa ka har'a tsamaiso ea khaso. Sena se ka kenyelletsa ho tsamaisa thapo ka likotopo kapa meaho e meng ea ts'ireletso, ho etsa likhokahano lipakeng tsa thapo le transmitter kapa antenna, le ho tiisa thapo hore e be teng.
Thepa e sebelisoang:
- Lisebelisoa tsa ho tsamaisa lithapo joalo ka litheipi tsa tlhapi kapa lithapo tsa likhoele
- Lisebelisoa tsa crimping bakeng sa ho hokela lihokelo le lisebelisoa tse ling tsa cable
- Lisebelisuoa tsa ho imolla ho tiisa cable hore e be teng
- Conduit e sirelletsang kapa jacket ho sireletsa thapo ho mabaka a tikoloho
Ka kakaretso, ts'ebetso ea ho etsa le ho kenya thapo ea RF coaxial e kenyelletsa mefuta e mengata ea lisebelisoa tse ikhethang le boiphihlelo. Ho bohlokoa ho sebetsa le litsebi tse nang le boiphihlelo kapa lienjineri ho netefatsa hore thapo e entsoe le ho kengoa ka nepo le ho fihlela litlhoko tse ikhethileng tsa sistimi ea hau ea khaso.
CONTACT US
FMUSER INTERNATIONAL GROUP LIMITED.
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