Matla a phahameng a RF Transistors

Transistor ea matla a phahameng ea RF ke mofuta oa RF transistor e etselitsoeng ho sebetsana le maemo a phahameng a matla, hangata ka holimo ho 1 watt. Li-transistors tsena li sebelisoa lits'ebetsong tse hlokang matla a phahameng a RF, joalo ka liphatlalatso tsa khaso, lits'ebetso tsa radar le lits'ebetso tsa ho futhumatsa liindasteri.

Matla a phahameng a RF transistors a sebelisoa lits'ebetsong tse fapaneng. E 'ngoe ea litšebeliso tse tloaelehileng ke liphatlalatsong tsa khaso, moo li sebelisetsoang ho holisa lets'oao la seea-le-moea pele le hasoa. Lits'ebetsong tsa radar, li-transistors tsa matla a phahameng tsa RF li sebelisoa ho hlahisa lets'oao le phahameng le sebelisoang ho bona lintho tse tikolohong. Lits'ebetsong tse futhumatsang tsa indasteri, li-transistors tsa matla a phahameng tsa RF li sebelisoa ho hlahisa matla a phahameng a maqhubu a motlakase a sebelisoang ho futhumatsa lisebelisoa.

Mantsoe a mang a ka bang teng bakeng sa matla a phahameng a RF transistor a ka kenyelletsa:

High frequency power transistor
RF matla amplifier transistor
Matla a phahameng a bipolar transistor
MOSFET ea matla a phahameng (Metal-Oxide-Semiconductor Field-Effect Transistor)
Matla a phahameng a GaN (Gallium Nitride) transistor
Transistor ea matla a phahameng a LDMOS (Mos ea Haufinyane).
Sesebelisoa sa matla sa RF
High frequency transistor

Li-transistors tsa matla a phahameng tsa RF lia hlokahala bakeng sa khaso hobane li lumella ho holisoa ka nepo ha mats'oao a maqhubu a seea-le-moea, a bohlokoa bakeng sa ho fetisa mats'oao libakeng tse telele. Transistor ea boleng bo holimo ea RF e bohlokoa bakeng sa seteishene sa khaso sa profeshenale hobane e netefatsa hore lets'oao le lula le hlakile ebile le se na khothatso, e leng ntho ea bohlokoa bakeng sa ho boloka phetiso ea boleng bo holimo le e tšepahalang. Hangata liteishene tsa khaso li tlameha ho fetisa melaetsa libakeng tse telele, 'me mefuta e fapaneng ea sebaka le maemo a leholimo a ka ama boleng ba matšoao. Ka hona, li-transistors tsa matla a phahameng tsa RF li tlameha ho ba tsa boleng bo holimo ho netefatsa hore lets'oao le lula le le matla ebile le hlakile. Ho feta moo, liteishene tsa khaso tsa litsebi li na le litekanyetso tse phahameng tsa taolo ea boleng ho netefatsa hore mananeo a tsona ke a boleng bo holimo. Transistor ea boleng bo holimo ea RF ke karolo ea bohlokoa ho bolokeng maemo ao a holimo, kaha e thusa ho netefatsa hore lets'oao la khaso ke la boleng bo holimo.

Ts'ebetso ea transistor ea matla a phahameng ea RF e tšoana le ea RF transistor e tloaelehileng. Leha ho le joalo, li-transistors tsa matla a phahameng tsa RF li ntlafatsoa bakeng sa matla a phahameng a tsoang molemong oa ho sebetsana le maemo a phahameng a matla a motlakase ao li tlamehang ho a sebetsana. Sena se finyelloa ka ho sebelisa semiconductor die e kholoanyane, likhokahano tsa tšepe tse teteaneng, le liphutheloana tse khethehileng tse etselitsoeng ho felisa mocheso. Li-transistors tsa matla a phahameng tsa RF le tsona li na le phaello e tlase ho feta li-transistors tse tloaelehileng tsa RF, kaha phaello e phahameng e ka lebisa ho se tsitseng le ho itšehla thajana maemong a phahameng a tlhahiso ea matla.

Kaha li-transistors tsa matla a phahameng tsa RF li hloka liphutheloana tse khethehileng 'me li ntlafalitsoe bakeng sa matla a phahameng a tsoang, li atisa ho bitsa chelete e ngata ho feta li-transistors tse tloaelehileng tsa RF. Leha ho le joalo, bokhoni ba bona ba ho sebetsana le matla a phahameng a tlhahiso bo ba etsa likarolo tsa bohlokoa lits'ebetsong tse ngata tsa bohlokoa.

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RF transistor ke eng le hore na e sebetsa joang?: RF transistor, kapa radio frequency transistor, ke mofuta oa transistor o etselitsoeng ho sebetsa maemong a phahameng a maqhubu a maqhubu a seea-le-moea, hangata ho tloha ho 10 MHz ho isa ho GHz tse 'maloa. Li-transistors tsena li entsoe ka lisebelisoa tsa semiconductor, tse kang silicon kapa gallium arsenide, 'me li sebelisoa mefuteng e sa tšoaneng ea lisebelisoa tsa elektronike tse hlokang ho phahamisa le ho fetoha ha matšoao a phahameng-frequency.

Ts'ebetso ea RF transistor e tšoana le ea transistor efe kapa efe. Ha motlakase o sebelisoa setsing sa motheo, motlakase o phalla ka har'a mateano a base-emitter, ao ka nako e 'ngoe a laolang ho phalla ha hona joale ka har'a mateano a mokelli-emitter. Mokelikeli oa motlakase oa motlakase o lekana le motlakase oa motlakase oa motheo, o laoloang ke motlakase oa motheo oa emitter. Ho RF transistor, motlakase oa motlakase hangata o maemong a milliamperes tse 'maloa ho isa ho li-ampere tse' maloa, ha base-emitter hajoale e le mefuta e mengata ea li-microamperes. Phaello ena e phahameng le e tlase ea hona joale e etsa hore li-transistors tsa RF e be tse loketseng lits'ebetso tsa maqhubu a holimo.

Li-transistors tsa RF li sebelisoa mefuteng e mengata ea lits'ebetso, ho kenyeletsoa khaso ea seea-le-moea le thelevishene, mehala ea cellular, lisebelisoa tsa radar, likhokahano tsa sathelaete le lisebelisoa tsa bongaka. Hangata li sebelisoa e le li-amplifiers tse phahameng-frequency, li-oscillator le li-switches. Li-transistors tsa RF li boetse li sebelisoa ho li-circuits tsa amplifier tsa lerata, moo kutloisiso le molumo oa lerata li leng bohlokoa. Ntle le moo, li-transistors tsa RF li sebelisoa lipotolohong tsa amplifier ea matla, moo ho hlokahalang phaello e phahameng le matla a phahameng a tsoang. Ka kakaretso, li-transistors tsa RF ke likarolo tsa bohlokoa ho lisebelisoa tsa elektroniki tsa sejoale-joale, haholo lits'ebetsong tsa puisano tse se nang mohala.

RF mosfet transistor ke eng le hore na e sebetsa joang?: RF MOSFET transistor, e tsejoang hape e le metal oxide semiconductor field effect transistor, ke mofuta oa transistor o etselitsoeng ho sebetsa maqhubu a seea-le-moea a phahameng. Li-transistors tsa RF MOSFET li sebelisoa haholo lipotolohong tsa RF le microwave ka lebaka la ts'ebetso ea tsona e phahameng le lerata le tlase. Hangata li sebelisoa lits'ebetsong tse kang likhokahano tse se nang mohala, li-amplifiers tse phahameng haholo le radar.

RF MOSFET transistor ke sesebelisoa sa li-terminal tse tharo se nang le mohloli, heke le drain. Li-terminals tsa mohloli le tsa drain li hokahane le lipheletsong tse peli tsa mocha oa semiconductor, e leng karolo e tšesaane ea lintho tse tsamaisang tse entsoeng ka holim'a substrate e sireletsang. Terminal ea heke e arohane le mocha oa semiconductor ka lera le tšesaane le sireletsang. Ha motlakase o sebelisoa ho terminal ea heke, e theha sebaka sa motlakase, se laolang ho phalla ha hona joale pakeng tsa mohloli le li-terminals tsa drain.

RF MOSFET transistor e sebetsa ka ho sebelisa motlakase ho laola ho phalla ha hona joale ka mocha oa semiconductor. Ha motlakase o sebelisoa hekeng ea transistor, e etsa sebaka sa motlakase se lumellang kapa se thibela ho phalla ha hona joale pakeng tsa mohloli le drain. Taolo ena ea hona joale e thusa transistor ho holisa kapa ho fetola mats'oao ka maqhubu a phahameng.

Li-transistors tsa RF MOSFET hangata li sebelisoa lipotolohong tse nang le maqhubu a holimo ka lebaka la lebelo la tsona le phahameng le lerata le tlase. Li boetse li tsejoa ka bokhoni ba tsona ba ho sebetsana le matla a phahameng le bokhoni bo tlase ba mateano. Li sebelisoa mefuteng e fapaneng ea lits'ebetso, ho kenyeletsoa litsamaiso tsa puisano tse se nang mohala, liamplifiers tsa motlakase le lionto tsa microwave.

Ka bokhutšoanyane, li-transistors tsa RF MOSFET ke mofuta oa transistor o etselitsoeng ho sebetsa ka maqhubu a phahameng a seea-le-moea. Li sebetsa ho latela phallo ea hona joale e laoloang ke voltage e sebelisoang ho terminal ea heke. Li sebelisoa haholo lipotolohong tsa RF le microwave, 'me likarolo tsa tsona tsa bohlokoa li kenyelletsa ts'ebetso e phahameng, lerata le tlase, le bokhoni bo phahameng ba ho sebetsana le matla.

U ka fapana joang RF transistor, RF transistor ea matla, matla a phahameng a RF transistor, RF mosfet transistor?: E, ho na le phapang pakeng tsa mefuta ena ea transistors.

RF transistor ke lentsoe le akaretsang le sebelisetsoang ho bolela transistor efe kapa efe e etselitsoeng ho sebetsa ho maqhubu a seea-le-moea, hangata ho tloha ho MHz tse 'maloa ho ea ho GHz tse' maloa. RF transistors e ka ba bipolar kapa field-effect transistors (FETs) mme e ka sebelisoa lits'ebetsong tsa matla a tlase kapa a phahameng.

RF power transistor ke mofuta oa RF transistor e etselitsoeng ho sebetsana le maemo a phahameng a matla a tsoang, hangata ho tloha ho li-watts ho isa ho li-kilowatts, ka phaello e batlang e le tlase. Li-transistors tsena hangata li sebelisoa lits'ebetsong tse kang li-transmitters, lisebelisoa tsa radar le lisebelisoa tsa ho futhumatsa indasteri.

High power RF transistor ke karoloana ea li-transistors tsa matla a RF tse ntlafalitsoeng ho sebetsana le maemo a phahameng a tlhahiso ea matla. Li-transistors tsena li entsoe ka li-semiconductor tse kholoanyane tse shoang, likhokahano tse teteaneng, le liphutheloana tse ikhethileng ho qhala maemo a phahameng a matla a motlakase. Li-transistors tsa matla a phahameng tsa RF hangata li na le phaello e tlase ho feta li-transistors tse tloaelehileng tsa RF kaha phaello e phahameng e ka baka ho hloka botsitso le ho itšehla thajana maemong a phahameng a tlhahiso ea matla.

RF MOSFET transistor, kapa metal-oxide-semiconductor field-effect transistor, ke mofuta oa transistor moo phallo ea hona joale e laoloang ke tšimo ea motlakase e sebelisoang ho terminal ea heke. Li-transistors tsa RF MOSFET hangata li sebelisoa lits'ebetsong tsa maqhubu a holimo 'me li tsebahala ka ho se sebetse ha tsona ho phahameng le lerata le tlase.

Ka bokhutšoanyane, ha li-transistors tsena kaofela li etselitsoe ho sebetsa maqhubu a seea-le-moea, li na le liphapang mabapi le bokhoni ba ho sebetsana le matla, ho paka, phaello, le litšobotsi tse ling tsa ts'ebetso.

Mokhoa oa ho lekola RF transistor e matla haholo?: Ho lekola transistor ea matla a phahameng a RF ho hloka lisebelisoa tse ikhethileng, ho kenyeletsoa meter ea matla ea RF, analyzer ea marang-rang, le setup ea ho hula mojaro. Mehato ea mantlha eo u lokelang ho e latela ke ena ha u leka RF transistor e matla haholo:

1. Khetholla pinout: Mohato oa pele ke ho tseba pinout ea transistor le ho netefatsa hore e hokahane hantle le lisebelisoa tsa liteko. Sheba database kapa bukana ea litšupiso bakeng sa transistor e ikhethileng ho tseba pinout e nepahetseng.

2. Leeme la transistor: Kenya motlakase oa DC bias ho transistor ka bias tee kapa bias circuit. Sena se bohlokoa ho netefatsa hore transistor e sebetsa sebakeng sa eona se melang.

3. Hokela transistor ho mohlahlobi oa marang-rang: Sebelisa lisebelisoa tsa RF kapa lisebelisoa tse loketseng tsa RF ho hokela transistor ho sehlahlobi sa marang-rang. Netefatsa hore likhokahano li tiile ebile li bolokehile.

4. Lekanya li-parameter tsa S: Sebelisa marang-rang analyzer ho lekanya S-parameters ea transistor. Sena se tla fana ka tlhahisoleseling mabapi le phepelo ea transistor le ho fumana litšobotsi.

5. Lekola tlhahiso ea matla: Hokela transistor ho meter ea matla ea RF, 'me u lekanye tlhahiso ea matla ha u ntse u fetola matla a ho kenya. Sena se tla thusa ho tseba litšobotsi tsa transistor tse melang le tse se nang moeli.

6. Seta ea ho hula mojaro: Sebelisa setup hula mojaro ho lekola tšebetso ea transistor mejaro e fapaneng ea tlhahiso. Sena se kenyelletsa ho feto-fetoha ha sekhahla se hlahisoang ke transistor, se amang boholo ba matla ao transistor e ka fanang ka ona.

7. Pheta teko bakeng sa mefuta e fapaneng ea maqhubu: Pheta liteko tsa maqhubu a fapaneng ho hlahloba ka botlalo tšebetso ea transistor.

Mehato ena e fana ka kakaretso ea mokhoa oa ho leka RF transistor e matla haholo. Leha ho le joalo, ts'ebetso e ka fapana ho latela transistor e ikhethileng le lisebelisoa tsa tlhahlobo tse sebelisoang. Ho bohlokoa ho sheba datha ea moetsi le bukana ea mosebelisi bakeng sa lits'ebetso le likhothaletso tse ikhethileng. Hape, ho bohlokoa ho sebelisa mehato e nepahetseng ea tšireletso ha u sebetsa ka li-transistors tsa RF tse matla, kaha li ka hlahisa mahlaseli a kotsi.

Mokhoa oa ho kenya tšebetsong discrete rf transistor?: Ho kenya tšebetsong transistor ea discrete ea RF ho kenyelletsa mehato e 'maloa, ho kenyelletsa ho khetha transistor e nepahetseng, ho khetha leeme le ho tsamaisana le potoloho, le ho rala sebopeho sa potoloho. Mehato e meng ea mantlha eo u lokelang ho e latela ke ena ha u kenya tšebetsong transistor ea discrete ea RF:

1. Khetha Transistor: Mohato oa pele ke ho khetha transistor e nepahetseng bakeng sa kopo ea hau. Lintlha tse lokelang ho nahanoa li kenyelletsa mofuta oa maqhubu, litlhoko tsa matla, phaello, le litšobotsi tsa lerata. Ho ipapisitse le ts'ebeliso, u ka khetha lipakeng tsa li-transistors tsa bipolar junction (BJTs) kapa li-transistors tsa field-effect (FETs).

2. Leeme la Potoloho: Hang ha u se u khethile transistor, mohato o latelang ke ho fumana hore na potoloho e nepahetseng ea leeme ke efe. Le ha lintlha tsa potoloho ea leeme li tla ipapisa le transistor le ts'ebeliso e itseng, hangata, transistor e hloka motlakase oa DC (bakeng sa BJT) kapa DC hajoale (bakeng sa FET) e sebelisitsoeng ho eona. Sena se bohlokoa ho etsa bonnete ba hore transistor e sebetsa sebakeng sa eona sa mola.

3. Matching Circuitry: Ho tsamaisana le potoloho ho bohlokoa ho netefatsa hore transistor e ka fetisetsa boholo ba matla ho mojaro. Li-circuits tse tsamaellanang li sebelisoa ho fetola phepelo ea ho kenya le ho tsoa ha transistor ho ts'oana le litšitiso tse ling tsa potoloho. Bakeng sa li-circuits tse nang le maqhubu a phahameng, hangata ho sebelisoa marang-rang a tsamaisanang le lisebelisoa tse nang le li-inductors, li-capacitor le li-transformer.

4. Moralo oa Sebopeho: Mohato o latelang oa ho kenya tšebetsong transistor ea discrete ea RF ke ho rala sebopeho. Sena se kenyelletsa ho theha sebopeho sa boto ea potoloho e ts'oanang le moralo. Ho bohlokoa ho sebelisa mekhoa e metle bakeng sa moralo o phahameng oa maqhubu le ho qoba ho etsa likheo le likheo sefofaneng sa fatše. Transistor e lokela ho behoa haufi ka hohle kamoo ho ka khonehang ho potoloho e ts'oanang, 'me sebopeho se lokela ho etsoa ho fokotsa bokhoni ba parasitic le inductance.

5.Ho lekoa: Hang ha potoloho e kopantsoe, e lokela ho lekoa ho netefatsa hore e sebetsa hantle. Sebelisa lisebelisoa tsa tlhahlobo tse kang jenereithara ea lets'oao, oscilloscope, le spectrum analyzer ho lekola karabelo ea khafetsa ea potoloho, phaello le tlhahiso ea matla. Sena se tla u thusa ho tseba le ho lokisa mathata afe kapa afe a ka hlahang.

Ka kakaretso, ho kenya tšebetsong transistor ea discrete ea RF ho kenyelletsa ho khetha transistor e nepahetseng, ho rala potoloho e leeme le e ts'oanang, ho rala sebopeho sa maqhubu a holimo le ho leka potoloho. Ts'ebetso ena e hloka kutloisiso e ntle ea litšobotsi tsa transistor le melao-motheo ea moralo oa potoloho ea maqhubu a holimo.

Mehaho ea RF transistor ea matla a phahameng ke efe?: Transistor ea matla a phahameng ea RF ka kakaretso e na le sebopeho se ts'oanang le transistor e tloaelehileng ea RF, e nang le liphetoho tse ling ho sebetsana le maemo a phahameng a matla. Mona ke tse ling tsa meaho e ka khonehang ea RF transistor e matla haholo:

1. Bipolar Junction Transistor (BJT): BJT e nang le matla a holimo hangata e na le substrate e nang le marotholi a mangata a nang le likarolo tse peli tsa li-doping tse pakeng tsa tsona. Sebaka sa mokelli hangata ke sebaka se seholo ka ho fetisisa sa sesebelisoa, 'me se entsoe ka hohle kamoo ho ka khonehang ho sebetsana le matla a mangata. Hangata emitter ke sebaka se nang le doped haholo, ha setsi se le sebaka se fokolang haholo. Li-BJT tsa matla a phahameng hangata li na le menoana e mengata ea li-emitter ho aba hona joale sebakeng sa emitter.

2. Metal Oxide Semiconductor Field Effect Transistor (MOSFET): MOSFET ea matla a phahameng hangata e na le substrate ea semiconductor e nang le lesela le sireletsang holimo, le lateloa ke electrode ea heke e tsamaisang. Libaka tsa mohloli le tsa drain ke libaka tsa doped tse entsoeng ka mahlakoreng a mabeli a li-electrode tsa heke. Li-MOSFET tse nang le matla a phahameng hangata li sebelisa sebopeho sa MOSFET (DMOS) se arohaneng habeli, se kenyelletsang ho hlahisa karolo e matla ea P lipakeng tsa mohloli oa N+ le libaka tsa drain, ho sebetsana le matla a mangata.

3. Transistor ea Gallium Nitride (GaN): Li-transistors tsa GaN li se li tumme haholo bakeng sa lits'ebetso tse phahameng tsa RF. GaN transistor e matla ka tloaelo e na le lesela le lesesaane la GaN le hōlileng ka holim'a substrate ea silicon carbide (SiC), e nang le electrode ea tšepe ka holimo. Libaka tsa mohloli le tsa metsi ke libaka tse nang le doped tse entsoeng ka mahlakoreng a mabeli a li-electrode tsa heke, 'me e ka ba likhokahano tsa Schottky kapa ohmic.

Ka bokhutšoanyane, li-transistors tsa matla a phahameng tsa RF li na le meaho e ts'oanang le li-transistors tse tloaelehileng tsa RF, empa li na le liphetoho ho sebetsana le maemo a phahameng a matla. Sebopeho se itšetlehile ka mofuta oa transistor le lisebelisoa tse sebelisoang. Li-transistors tsa bipolar junction (BJTs), metal oxide semiconductor field effect transistors (MOSFETs), le gallium nitride (GaN) transistors hangata li sebelisoa bakeng sa lits'ebetso tsa matla a phahameng a RF, 'me kaofela li na le phapang e itseng meahong ea tsona le litšobotsi tsa ts'ebetso.

Lisebelisoa tsa High power RF transistor ke life?: Ehlile, mona ke tse ling tsa lits'ebetso tsa matla a phahameng a RF transistors:

1. Liteishene tsa Khaso: Li-transistors tsa matla a phahameng tsa RF li sebelisoa hangata liteisheneng tsa khaso bakeng sa ho fetisa matšoao a seea-le-moea le thelevishene maetong a malelele. Li ka sebelisoa bakeng sa lipontšo tsa khaso tsa FM le AM.

2. Litsamaiso tsa Radar: Li-transistors tsa matla a phahameng tsa RF li boetse li sebelisoa lits'ebetsong tsa radar bakeng sa ho bona lintho tse moeeng, joalo ka lifofane, limisaele kapa maemo a leholimo. Hangata li sebelisoa mefuteng ea maqhubu a UHF le VHF.

3. Likopo tsa Bongaka: Ka linako tse ling li-transistors tsa matla a phahameng tsa RF li sebelisoa lits'ebetsong tsa bongaka, joalo ka mechini ea MRI. Li ka thusa ho hlahisa matla a khoheli a hlokahalang bakeng sa ho nka litšoantšo.

4. Likopo tsa Indasteri: Li-transistors tsa matla a phahameng tsa RF le tsona li ka sebelisoa lits'ebetsong tse fapaneng tsa indasteri, joalo ka mechini ea welding, mechini e sehang plasma, le lisebelisoa tsa ho futhumatsa tsa RF.

5. Lisebelisoa tsa Jamming: Li-transistors tsa matla a phahameng tsa RF li ka sebelisoa lisebelisoa tsa jamming, tse sebelisetsoang ho senya mats'oao a seea-le-moea sebakeng se itseng sa maqhubu. Lisebelisoa tsena li ka sebelisoa ke sesole kapa mekhatlo ea molao e le mokhoa oa ho thibela mats'oao a puisano a lira.

6. Ham Radio: Li-transistors tsa matla a phahameng tsa RF li boetse li sebelisoa lits'ebetsong tsa radio tse amateur (ham radio), haholo ho liamplifier tse matlafatsang lets'oao la ho kenya matla ho ea maemong a phahameng a matla bakeng sa phetiso.

Ka kakaretso, lits'ebetso tsa mantlha tsa li-transistors tsa matla a phahameng tsa RF li phetisong le ho holisa mats'oao a maqhubu a seea-le-moea liindastering le lits'ebetsong tse fapaneng.

Ke life tse tloaelehileng tse phahameng tsa RF transistor bakeng sa li-transmitters tsa khaso?: Ho na le li-transistor tse matla tsa RF tse ngata tse fumanehang bakeng sa tšebeliso ea li-transmitters tsa FM. Mehlala ke ena:

1. NXP BLF188XR: NXP BLF188XR ke transistor e matla ea LDMOS e etselitsoeng ho sebelisoa ho li-transmitters tsa FM. E fana ka matla a ho fihla ho 1400 watts 'me hangata e sebelisoa ho li-transmitters tse nang le matla a tsoang ho 5 kW kapa ho feta. Transistor ena e qalile ho hlahisoa ka 2012 ke NXP Semiconductors.

2. STMicroelectronics STAC2942: STAC2942 ke transistor e matla e phahameng ea MOSFET e etselitsoeng ho sebelisoa ho li-transmitters tsa FM. E fana ka matla a ho fihla ho 3500 watts mme e sebelisoa hangata ho li-transmitters tse nang le matla a tsoang ho 10 kW kapa ho feta. STMicroelectronics e hlahisitse transistor ena ka 2015.

3. Toshiba 2SC2879: Toshiba 2SC2879 ke transistor e matla e phahameng ea bipolar e etselitsoeng ho sebelisoa ho li-transmitters tsa FM. E fana ka matla a ho fihla ho li-watts tse 200 'me hangata e sebelisoa ho li-transmitters tse nang le matla a tsoang ho 1 kW kapa ka tlase. Transistor ena e qalile ho etsoa ke Toshiba lilemong tsa bo-1990 'me e ntse e sebelisoa le kajeno.

4. Mitsubishi RD100HHF1: Mitsubishi RD100HHF1 ke transistor e matla e phahameng ea MOSFET e etselitsoeng ho sebelisoa ho li-transmitters tsa FM. E fana ka matla a fihlang ho li-watts tse 100 'me hangata e sebelisoa ho li-transmitters tse nang le matla a tsoang ho 500 watts kapa ka tlase ho moo. Transistor ena e ile ea hlahisoa ka lekhetlo la pele mathoasong a lilemo tsa bo-2000 ke Mitsubishi Electric Corporation.

5. Freescale MRFE6VP61K25H: Freescale MRFE6VP61K25H ke transistor e matla e phahameng ea LDMOS e etselitsoeng ho sebelisoa ho li-transmitters tsa FM. E fana ka matla a ho fihla ho 1250 watts 'me hangata e sebelisoa ho li-transmitters tse nang le matla a tsoang ho 5 kW kapa ho feta. Transistor ena e qalile ho hlahisoa ka 2011 ke Freescale Semiconductor (eo hona joale e leng karolo ea NXP Semiconductors).

Mabapi le hore na ke mang ea qalileng ho etsa li-transistors tse matla tse phahameng tsa RF, e 'ngoe le e' ngoe ea lik'hamphani tsena e ile ea iketsetsa li-transistors tsa eona tse fapaneng. NXP Semiconductors le Freescale Semiconductor (eo hona joale e leng karolo ea NXP Semiconductors) ka bobeli ke libapali tse kholo 'marakeng oa RF power transistor, athe Toshiba le Mitsubishi le tsona esale li hlahisa li-transistors tsa RF tse matla ka lilemo tse ngata.

Ka kakaretso, khetho ea transistor e tla ipapisa le lintlha tse 'maloa, ho kenyelletsa le boemo ba matla a transmitter, maqhubu a ts'ebetso, litlhoko tsa phaello, le lintlha tse ling tsa ts'ebetso. Ho fumaneha ha li-transistors tsena ho ka fapana ho latela sebaka le tlhoko ea 'maraka.

Ho na le mefuta e mekae ea High power RF transistor?: Ho na le mefuta e 'maloa ea RF transistor ea matla a phahameng, e' ngoe le e 'ngoe e na le litšobotsi tsa eona tse ikhethang. Mona ke mefuta e meng ea mantlha, hammoho le litšobotsi tsa eona:

1. Li-Bipolar Transistors: Li-transistors tsa bipolar ke mofuta oa transistor o sebelisang lielektrone le masoba joalo ka bajari ba litefiso. Ka kakaretso ke lisebelisoa tsa matla a phahameng tse nang le matla a phahameng a motlakase le a hona joale. Li sebelisoa hangata lits'ebetsong tsa khaso tse kang khaso ea FM le AM. Li-transistors tsa bipolar hangata ha li sebetse hantle ho feta mefuta e meng ea matla a phahameng a RF transistors, 'me li ka hlahisa mocheso o moholo.

2. MOSFET Transistors: MOSFET transistors ke mofuta o mong oa matla a phahameng a RF transistor a sebelisoang haholo lits'ebetsong tsa khaso. Li fana ka ts'ebetso e ntle le lerata le tlase, li etsa hore li tšoanelehe ho sebelisoa ho li-transmitters bakeng sa khaso ea FM, leha li boetse li sebelisoa mefuteng e meng ea litsamaiso tsa khaso. Li-transistors tsa MOSFET li ka sebetsa ka maqhubu a phahameng 'me tsa hlahisa mocheso o fokolang ho feta li-transistors tsa bipolar.

3. LDMOS Transistors: LDMOS e emetse "Laterally Diffused Metal Oxide Semiconductor". Li-transistors tsa LDMOS li sebelisoa haholo liphatlalatsong tsa sejoale-joale tsa FM ka lebaka la ts'ebetso ea tsona e phahameng, khanyetso e tlase ea mocheso, le tatellano e ntle haholo. Li-transistors tsa LDMOS li fana ka tekanyo e ntle ea matla, ts'ebetso, le ts'epahalo 'me li loketse lisebelisoa tse phahameng tsa matla.

4. Li-Transistors tsa GaN: GaN e emetse "Gallium Nitride". Li-transistors tsa GaN li fana ka matla le katleho e phahameng ha li ntse li khona ho sebetsa ka maqhubu a phahameng. Li loketse ho sebelisoa lits'ebetsong tsa khaso joalo ka khaso ea FM mme li tsebahala ka lerata la tsona le tlase.

Mabapi le bahlahisi, ba bang ba libapali tse kholo ka ho fetisisa 'marakeng oa matla a phahameng a RF transistor ba kenyelletsa NXP Semiconductors, STMicroelectronics, Toshiba, le Mitsubishi Electric Corporation. Likhamphani tsena li hlahisa mefuta e mengata e fapaneng ea matla a phahameng a RF transistors, e 'ngoe le e' ngoe e na le litšobotsi le melemo ea eona e ikhethang.

Phapang lipakeng tsa mefuta e fapaneng ea li-transistors tsa matla a phahameng a RF e ka ba ea bohlokoa ho latela litšobotsi tsa ts'ebetso ea tsona, ho kenyeletsoa lebelo la tsona la maqhubu, khaso, tlhahiso ea matla, bokhoni le litšenyehelo. Ka mohlala, li-transistors tsa LDMOS le GaN hangata li sebetsa hantle haholo 'me li hlahisa mocheso o fokolang ho feta li-transistors tsa bipolar, empa li ka' na tsa bitsa chelete e ngata.

Mabapi le ho kenya, ho lokisa le ho hlokomela, li-transistors tsa matla a phahameng tsa RF li hloka tsebo e khethehileng le lisebelisoa, 'me li lokela ho lula li sebetsoa ke litsebi tse nang le phihlelo. Ho kenya le tlhokomelo e nepahetseng ho bohlokoa bakeng sa ho netefatsa hore amplifier e lula e tsitsitse, e sebetsa hantle ebile e tšepahala. Tlhokomelo ea kamehla le ho rarolla mathata le hona ho ka thusa ho thibela litšenyehelo tse theko e boima tsa ho theoha le ho lokisa.

Ka kakaretso, khetho ea matla a phahameng a transistor ea RF e tla ipapisa le lintlha tse 'maloa, ho kenyelletsa le ts'ebeliso e ikhethileng, litlhoko tsa ts'ebetso, le lintlha tsa tekanyetso. Ho bohlokoa ho khetha transistor e loketseng kopo le ho sebetsa le morekisi ea tsebahalang ea ka fanang ka tataiso le tšehetso nakong eohle ea khetho le ho kenya.

Ke mantsoe afe a tloaelehileng a matla a phahameng a RF transistor?: Mona ke mantsoe a mang a tloaelehileng a amanang le matla a phahameng a RF transistors, hammoho le tlhaloso ea seo a se bolelang:

1. Collector-Emitter Voltage (Vce): Vce e bua ka matla a phahameng a matla a ka sebelisoang ho li-terminals tsa mokelli le li-emitter tsa transistor ea matla a phahameng a RF. Ho feta voltage ena ho ka etsa hore transistor e hlolehe.

2. Mokelli oa Hona Joale (Ic): Ic e bua ka boholo ba hajoale bo ka tsamaisoang ka terminal ea pokello ea transistor ea matla a phahameng a RF. Ho feta hona joale ho ka etsa hore transistor e hlolehe.

3. Phallo e phahameng ea Matla (Pd): Pd e bolela boholo ba matla ao transistor ea matla a phahameng a RF e ka a qhalang e le mocheso ntle le ho feta mocheso oa eona oa ts'ebetso. Ho feta boleng bona ho ka etsa hore transistor e chese le ho hloleha.

4. Maqhubu a Tshebetso (f): Maqhubu a ts'ebetso a bolela lebelo la maqhubu ao transistor ea matla a phahameng a RF e ka sebetsang maemong a eona a ts'ebetso a boletsoeng.

5. Phaello ea Transistor (hFE kapa Beta): Phaello ea Transistor e bua ka ntlha ea matlafatso ea matla a phahameng a RF transistor, kapa karo-karolelano ea tlhahiso ea hona joale ho ea hona joale e kentsoeng.

6. Output Power (Pout): Matla a tsoang a bolela matla a phahameng a ka tsamaisoang ke transistor ea matla a phahameng a RF ho mojaro (joalo ka antenna) ntle le ho feta litekanyetso tse boletsoeng.

Bokgoni: Ho sebetsa hantle ho bolela karo-karolelano ea matla a tsoang ho matla a kentsoeng ho transistor ea matla a phahameng a RF. Li-transistors tse sebetsang hantle haholo lia lakatseha ho li-amplifiers tsa RF hobane li senya matla a fokolang joalo ka mocheso 'me li hlahisa lerata le sa batloeng.

8. Tšebelisano ea Tšitiso: Ho bapisa ho ts'oana ho bolela ts'ebetso ea ho netefatsa hore ts'ebetso ea ho kenya le ho tsoa ha potoloho ea transistor e tsamaellana le tšitiso ea mojaro (hangata e le antenna). Tšebelisano e nepahetseng ea impedance e thusa ho eketsa phetisetso ea matla pakeng tsa transistor le mojaro.

9. Thermal Resistance (Rth): Ho hanyetsa mocheso ho bolela bokhoni ba motlakase o phahameng oa RF transistor ho qhala mocheso. Litekanyetso tse tlase tsa ho hanyetsa mocheso li bonts'a mocheso o ntlafetseng oa mocheso le matla a phahameng a ho pholile, e leng ntho ea bohlokoa ho thibela sesebelisoa hore se se ke sa chesa.

10. Resonant Frequency (f0): Resonant frequency e bua ka makhetlo ao potoloho ea RF transistor e nang le matla a phahameng a sebetsang 'me e fumana phaello e phahameng ka ho fetisisa. Ho bapisa maqhubu a resonant a transistor le makhetlo a lets'oao le ntseng le holisoa ho thusa ho holisa ts'ebetso ea ona.

Ho utloisisa mantsoe ana ho bohlokoa bakeng sa ho khetha transistor ea matla a phahameng e nepahetseng ea RF bakeng sa ts'ebeliso e itseng, hammoho le ho netefatsa ho kenngoa, ts'ebetso le tlhokomelo e nepahetseng.

Ke lintlha life tsa bohlokoa ka ho fetisisa tsa High power RF transistor?: Litlhaloso tsa bohlokoahali tsa 'mele le tsa RF tsa transistor ea matla a phahameng a RF li kenyelletsa:

1. Motlakase: Ena ke matla a mangata ao transistor e ka fanang ka eona ho mojaro ntle le ho feta litekanyetso tsa eona tse phahameng.

2. Mokhoa oa ho Sebelisa Maqhubu: Sena se bolela mefuta e mengata ea maqhubu ao transistor e ka sebetsang ho eona boemong ba eona bo boletsoeng.

3. Collector-Emitter Voltage: Ena ke matla a phahameng a matla a ka sebelisoang ho pholletsa le li-terminals tsa transistor ntle le ho etsa hore e hlolehe.

4. Boholo ba Hona Joale: Ena ke boholo ba hona joale boo transistor e ka bo tsamaisang ka terminal ea pokello ntle le ho etsa hore e hlolehe.

Bokgoni: Ena ke karo-karolelano ea matla a hlahisoang ho matla a ho kenya 'me e bontša hore na transistor e khona ho fetola matla a mangata hakae a tlhahiso.

6. Fumana: Ena ke ntlha ea amplification ea transistor mme e bonts'a hore na lets'oao la ho kenya le matlafatsoa hakae ke transistor.

7. Ho hanyetsa mocheso: Ena ke bokhoni ba transistor ho senya mocheso ntle le ho feta mocheso oa eona o moholo oa ho sebetsa. Litekanyetso tse tlase tsa ho hanyetsa mocheso li bonts'a phepelo e ntle ea mocheso le matla a holimo a ho pholisa.

8. Mofuta oa ho Beha: Li-transistors tsa matla a phahameng tsa RF li ka kenngoa ho sebelisoa mekhoa e fapaneng, joalo ka ka ho sebelisa lesoba kapa theknoloji ea holim'a metsi.

9. Mofuta oa Sephutheloana: Sena se bolela sephutheloana sa 'mele kapa ntlo ea transistor, e ka fapana ka boholo, sebopeho le thepa.

10. RF Matching: Sena se bolela ts'ebetso ea ho tsamaisana le ho kenella le ho tsoa ha transistor ho ea mojaro, e thusang ho eketsa phetisetso ea matla le ho fokotsa lerata.

Ho utloisisa lintlha tsena tsa 'mele le tsa RF ho bohlokoa bakeng sa ho khetha RF transistor ea matla a phahameng e nepahetseng bakeng sa ts'ebeliso e itseng. Ho bohlokoa ho nahana ka mofuta oa ts'ebeliso, joalo ka matla a hlokahalang, maqhubu a ts'ebetso, le ts'ebetso e nepahetseng, ha u khetha transistor. Taolo e nepahetseng ea mocheso le ho tsamaisana ha impedance le tsona li bohlokoa bakeng sa ho netefatsa ts'ebetso e nepahetseng le ho qoba tšenyo ea transistor.

Na li-transistors tsa matla a phahameng tsa RF lia fapana lits'ebetsong tse fapaneng?: Li-transistors tsa matla a phahameng tsa RF tse sebelisoang liphatlalatsong tse fapaneng tsa khaso (mohlala, UHF, VHF, TV, AM, FM, joalo-joalo) li na le litšobotsi tse fapaneng 'me li sebelisoa ka tsela e fapaneng ho latela litlhoko tse ikhethileng tsa mochini o fetisang molaetsa. Mona ke phapang lipakeng tsa li-transistors tsa RF tse matla tse sebelisoang ho li-transmitters tse fapaneng:

Li-transmitters tsa UHF:

1. Melemo: Ts'ebetso e phahameng, tlhahiso ea matla le maqhubu a ts'ebetso.
2. Mefokolo: Litšenyehelo tse phahameng le tlhokahalo ea tlhokomelo e khethehileng le ho pholisa ka lebaka la tšebeliso e phahameng ea matla.
3.Likopo: Ka tloaelo e sebelisoa khaso ea TV le lits'ebetso tse ling tse hlokang maqhubu a phahameng le matla a phahameng.
Tshebetso: Botsitso bo phahameng le linearity e ntle.
Mehaho: Ka tloaelo sebelisa theknoloji ea MOSFET kapa LDMOS.
5. Khafetsa: Lebelo la maqhubu a UHF (300MHz - 3GHz).
6. Kemiso le Tlhokomelo: Ho hlokahala ho kenya le ho lokisa ka mokhoa o nepahetseng ka lebaka la matla a bona a phahameng a tlhahiso.

Li-transmitters tsa VHF:

1. Melemo: Matla a phahameng a tlhahiso, katleho, le ho tšepahala.
2. Mefokolo: E ka ba theko e boima ka lebaka la ho rarahana ha theknoloji.
3.Likopo: E loketse ho sebelisoa seea-le-moeeng sa FM le lits'ebetso tse ling tsa phatlalatso ea VHF.
Tshebetso: E phahameng-linearity, matla a tlhahiso a tsitsitseng.
5. Libopeho: Hangata ba sebelisa theknoloji ea bipolar (BJT), leha li-MOSFET le tsona li ka sebelisoa.
6. Khafetsa: Lebelo la maqhubu a VHF (30 - 300MHz).
7. Kemiso le Tlhokomelo: E hloka tlhokomelo ea kamehla ho netefatsa botsitso ba matla a tlhahiso.

Liphatlalatso tsa TV:

1. Melemo: Matla a phahameng a tlhahiso, bandwidth, le katleho.
Go tlhoka mesola: Theko e phahameng ea qalong, le moralo o rarahaneng.
2.Likopo: E loketse khaso ea TV, Mobile TV, le lits'ebetso tse ling tsa ho fetisa livideo le molumo.
Tshebetso: Taolo e babatsehang le botsitso.
4. Libopeho: Sebelisa mekhahlelo e mengata ea mokhanni oa RF e lateloang ke sethala sa ho qetela sa amplifier ea matla a phahameng hangata u sebelisa theknoloji ea LDMOS.
5. Khafetsa: Ho sebelisoa lihlopha tse fapaneng tsa maqhubu, ho latela maemo a phetiso (DTV, analoge, joalo-joalo) hangata lihlopheng tsa UHF kapa VHF.
6. Kemiso le Tlhokomelo: Ho kenyeletsoa ka nepo le tlhokomelo e phahameng e hlokahalang ka lebaka la matla a phahameng a tlhahiso le moralo o rarahaneng oa potoloho.

Li-transmitters tsa AM:

1. Melemo: Ho rarahana ho tlase, theko e tlase, mefuta e mengata ea ts'ebeliso.
2. Mefokolo: Matla a fokolang ha a bapisoa le liphatlalatso tse ling.
3.Likopo: E loketse seea-le-moea sa AM le lits'ebetso tse ling tsa puisano tse sebelisang matla a tlase.
Tshebetso: Bophahamo bo botle ba bandwidth, empa matla a tlhahiso a tlase ho feta li-transmitter tse ling.
5. Libopeho: Ka tloaelo sebelisa matla a phahameng a bipolar transistors (BJT) kapa FET.
6. Khafetsa: Maqhubu a maqhubu a AM (530kHz - 1.6MHz).
7. Kemiso le Tlhokomelo: Ho kenya habonolo, ka litlhoko tse tlase tsa tlhokomelo.

Liphatlalatso tsa FM:

1. Melemo: Bophahamo bo phahameng, katleho ea phetisetso le botsitso.
2. Mefokolo: E ka ba litšenyehelo.
3.Likopo: E loketse seea-le-moea sa FM le lits'ebetso tse ling tsa boleng bo holimo tsa phetisetso ea molumo.
Tshebetso: Matla a phahameng a matla le maqhubu a tsitsitseng.
5. Libopeho: Ka tloaelo sebelisa matla a phahameng a LDMOS transistors.
6. Khafetsa: Leqhubu la maqhubu a FM (88 -108MHz).
7. Kemiso le Tlhokomelo: Kenyelletso e nepahetseng le tlhokomelo ea kamehla e hlokahalang bakeng sa ts'ebetso e nepahetseng.

Ka kakaretso, li-transistors tsa matla a phahameng tsa RF tse sebelisoang liphatlalatsong tse fapaneng tsa khaso li na le litšobotsi tse fapaneng tse loketseng lits'ebetso tse fapaneng. Khetho ea RF transistor ea matla a holimo e ipapisitse le lintlha tse joalo ka mofuta o hlokahalang oa maqhubu, tlhahiso ea matla, ts'ebetso e sebetsang, bandwidth, le litšenyehelo, har'a tse ling. Ho bohlokoa ho hlokomela hore ho kenya, ho lokisoa le ho lokisoa ka nepo ho bohlokoa ho li-transmitters tsohle tse sebelisang matla a phahameng a RF transistors ho netefatsa ts'ebetso e nepahetseng, ts'epo le bophelo bo bolelele ba likarolo.

U ka khetha RF transistor e matla ka ho fetisisa joang bakeng sa khaso?: Ho khetha transistor ea RF e matla ka ho fetesisa bakeng sa seteishene sa khaso ho ipapisitse le lintlha tse 'maloa joalo ka mefuta ea maqhubu, tlhahiso ea matla, bokhoni le litšenyehelo. Mona ke lethathamo la litlhaloso le lihlopha tse lokelang ho nahanoa ha u khetha transistor ea matla a phahameng ea RF bakeng sa liteishene tse fapaneng tsa khaso:

1. Seteishene sa Khaso sa UHF: Bakeng sa liteishene tsa khaso tsa UHF, RF transistor e matla ka ho fetesisa e ka ba e sebetsang maemong a maqhubu a UHF (300 MHz ho isa ho 3 GHz), e nang le matla a holimo, 'me e sebetsa hantle haholo. Ka tloaelo, transistor ea MOSFET (LDMOS) e hasoang ka morao e sebelisoa bakeng sa liteishene tsa UHF ka lebaka la tlhahiso ea eona e phahameng ea matla, mola le ts'ebetso e ntle.

2. Seteishene sa Khaso sa VHF: Bakeng sa liteishene tsa khaso tsa VHF, RF transistor e matla ka ho fetesisa e ka ba e sebetsang ho VHF frequency range (30 MHz ho 300 MHz) mme e na le matla a phahameng a tlhahiso le katleho. Theknoloji ea bipolar junction transistor (BJT) hangata e sebelisoa bakeng sa liteishene tsa VHF ka lebaka la matla a eona a phahameng le katleho.

3. Seteishene sa seea-le-moea sa FM: Bakeng sa liteishene tsa seea-le-moea tsa FM, transistor ea matla a phahameng ka ho fetisisa ea RF e ka ba e sebetsang sebakeng sa maqhubu a FM (88 MHz ho isa ho 108 MHz) mme e na le mohala o phahameng le ts'ebetso e ntle. Theknoloji ea LDMOS e sebelisoa hangata bakeng sa liteishene tsa FM ka lebaka la mohala oa eona o phahameng le ts'ebetso e ntle.

4. Seteishene sa Khaso sa TV: Bakeng sa liteishene tsa khaso tsa TV, RF transistor e matla ka ho fetesisa e ka ba e sebetsang ka har'a sehlopha sa maqhubu se sebelisoang ke maemo a phetisetso ea TV 'me e na le matla a holimo le bokhabane. Theknoloji ea LDMOS e atisa ho sebelisoa ho liphatlalatso tsa khaso ea TV ka lebaka la mokhoa o phahameng oa ho sebetsa le ho sebetsa hantle.

5. Seteishene sa Khaso sa AM: Bakeng sa liteishene tsa khaso tsa AM, transistor ea RF e matla ka ho fetesisa e ka ba e sebetsang sebakeng sa maqhubu a AM (530 kHz ho isa ho 1.6 MHz) 'me e na le matla a phahameng le ho sebetsa hantle. Theknoloji ea BJT kapa FET e ka sebelisoa bakeng sa liteishene tsa AM ka lebaka la ts'ebetso ea tsona e phahameng.

Ho bohlokoa ho ela hloko lintlha tse ling tse kang litšenyehelo, ho ba teng, le tšehetso ea barekisi ha u khetha transistor ea RF ea matla a phahameng e loketseng seteishene ka seng sa khaso. Ho boetse ho khothaletsoa ho buisana le moenjiniere oa RF ea tšoanelehang kapa moeletsi ho netefatsa khetho e nepahetseng ea transistor ea matla a holimo ea RF bakeng sa seteishene se ikhethileng sa khaso.

RF transistor ea matla a phahameng e etsoa le ho kenngoa joang?: Ts'ebetso e felletseng ea transistor ea matla a holimo ea RF ho tloha tlhahiso ho isa ho e kenngoeng seteisheneng sa khaso e kenyelletsa mekhahlelo e mengata, ho kenyelletsa ho etsa masela, tlhahlobo, ho paka le ho ajoa. Mona ke tlhaloso e qaqileng ea e 'ngoe le e' ngoe ea mekhahlelo ena:

1. Boqapi: Mokhahlelo oa pele oa ho hlahisa transistor ea matla a phahameng ea RF o kenyelletsa ho etsa transistor ho sebelisa mekhoa e fapaneng ea semiconductor layering. Mokhoa oa ho etsa masela o kenyelletsa motsoako oa mekhoa e hloekileng ea kamoreng, lithography, etching, deposition, le mekhoa e meng e hahang sebopeho sa transistors.

2.Ho lekoa: Hang ha transistor ea matla a phahameng a RF e entsoe, e lekoa bakeng sa litšobotsi tsa motlakase tse joalo ka phaello, tlhahiso ea matla le moeli. Teko e etsoa ho sebelisoa lisebelisoa tse khethehileng tsa tlhahlobo, ho kenyeletsoa li-analyzer tsa marang-rang, li-spectrum analyzers le li-oscilloscopes.

3. Ho paka: Ka mor'a hore RF transistor ea matla a phahameng e lekoe, e kenngoa ka tlung e loketseng. Sephutheloana se sireletsa transistor ho senya nakong ea ho sebetsana le ho kenya le ho fana ka sethala se loketseng bakeng sa ho hokahanya le potoloho eohle. Ho paka ho boetse ho kenyelletsa khokahanyo ea terata, ho hokela lithapo, le ho eketsa lisinki tsa mocheso ho ntlafatsa boits'oaro ba mocheso oa transistor.

4. Kabo: Li-transistors tsa matla a phahameng tsa RF li ka ajoa ka kotloloho ho liteishene tsa thekiso tsa moetsi, kapa ka marang-rang a barekisi ba semmuso. Li-transistors li ka rekisoa e le li-unit tse ikemetseng kapa ka lihlopha, ho latela khetho ea moetsi.

5. Kopo: Hang ha transistor ea matla a phahameng ea RF e rekoa le ho amoheloa ke seteishene sa khaso, e hokahanngoa le potoloho ea transmitter. Transistor e kentsoe ho sebelisoa mekhoa e nepahetseng ea ho kenya, ho kenyelletsa le lisebelisoa tsa sehokelo sa mocheso, joalo ka grease e futhumatsang, li-pads, kapa lisebelisoa tsa phetoho ea karolo. Ts'ebetso ea ho kenya e latela libuka kapa mekhoa e tiileng ea ho kenya ho netefatsa hore transistor e kenngoa ka nepo, ho fokotsa kotsi ea tšenyo ea transistor.

6. Teko le Tlhokomelo: Kamora ho kengoa, transistor ea matla a phahameng ea RF e ea lekoa hape ho netefatsa hore e sebetsa hantle. Seteishene sa khaso se tla tsoela pele ho beha transistor leihlo bakeng sa ts'ebetso e nepahetseng, kaha li-transistors tsa RF li ka theoloa ha nako e ntse e ea 'me tsa lahleheloa ke litšobotsi tsa tsona tsa ts'ebetso, e leng se lebisang ho fokotseng matla a tlhahiso le ho hloleha ho ka bang teng. Tlhokomelo ea kamehla e etsoa ho transmitter le likarolo tsa eona ho netefatsa ts'ebetso ea nako e telele le ho tšepahala.

Ka kakaretso, ts'ebetso e felletseng ea transistor ea matla a holimo ea RF ho tloha tlhahiso ho isa ho ho kengoa ha ho qetela seteisheneng sa khaso e kenyelletsa motsoako oa mekhoa e ikhethileng ea ho qapa, ho etsa liteko, ho paka le ho aba. Hang ha e kentsoe, tlhokomelo, le ho beha leihlo ka hloko hoa hlokahala ho netefatsa ts'ebetso e tšepahalang le ea nako e telele ea transistor ea matla a phahameng ea RF.

Mokhoa oa ho boloka matla a phahameng a RF transistor ka nepo?: Tlhokomelo e nepahetseng ea li-transistors tsa RF tse matla a phahameng seteisheneng sa khaso ke ea bohlokoa ho netefatsa ts'ebetso e tšepahalang le ea nako e telele. Mehato e meng eo u lokelang ho e latela ke ena ho boloka transistor ea matla a phahameng ea RF seteisheneng sa khaso ka nepo:

1. Latela litataiso tsa moetsi: Kamehla latela mekhoa ea tlhokomelo e khothaletsoang ke moetsi le kemiso. Lenane la tlhokomelo le ka fapana ho latela moetsi, mofuta oa transistor ea matla a phahameng a RF, le maemo a tikoloho a seteishene sa khaso.

2. Lekola maemo a ts'ebetso: Ela hloko khafetsa maemo a ts'ebetso ea transistor ea matla a phahameng a RF, joalo ka mocheso, voltage, le maemo a hajoale. Netefatsa hore maemo a ts'ebetso a lula ka har'a mehala e khothaletsoang ho thibela tšenyo ea transistor.

3. Boloka transistor e hloekile: Lerōle le lithōle li ka bokellana holim'a RF transistor ea matla a phahameng, e ka amang ts'ebetso le bophelo ba eona hampe. Boloka bohloeki ba transistor ka ho e hloekisa nako le nako ka lesela le bonolo le tharollo e sa tsitsang ea ho hloekisa.

4. Netefatsa tsamaiso e nepahetseng ea mocheso: Li-transistors tsa RF tse matla a phahameng li hlahisa mocheso o mongata nakong ea ts'ebetso, tse ka amang ts'ebetso ea tsona hampe. Taolo e nepahetseng ea mocheso, joalo ka ho sebelisa lisinki tsa mocheso le lifenehi tse pholisang, e thusa ho qhala mocheso le ho netefatsa hore transistor e sebetsa ka har'a meeli ea mocheso oa eona.

5. Teko le tokiso ea kamehla: Li-transistors tsa RF tse matla a phahameng li hloka tlhahlobo ea khafetsa ho netefatsa hore li sebetsa ka nepo. Liteko tsa nako le nako li ka tseba mathata a ka bang teng pele a ba matla. Ho lokisa potoloho ea transmitter mabapi le transistor ho ka eketsa ts'ebetso, matla a tlhahiso le ts'ebetso ea transistor.

6. Netefatsa tlhokomelo ea kamehla ea transmitter kaofela: Le ha li-transistors tsa RF tse matla haholo e le karolo ea bohlokoa ea transmitter, transmitter kaofela e hloka tlhokomelo ea kamehla. Netefatsa hore transmitter, likarolo tsa eona, le litsamaiso tse tšehetsang, joalo ka pholiso le taolo ea matla, li sebetsa ka nepo ho thibela tšenyo le ho ntlafatsa ts'ebetso ea transistor.

Ka ho latela mehato ena, o ka boloka transistor ea matla a phahameng ea RF ka nepo seteisheneng sa khaso, oa netefatsa hore e phela nako e telele, 'me oa ntlafatsa ts'ebetso ea eona. Tlhokomelo ea kamehla le e phethahetseng e tla netefatsa hore transistor e tsoela pele ho sebetsa ka botšepehi le ka bokhabane, e leng se tlatselletsang ho lets'oao la boleng bo holimo la khaso.

Mokhoa oa ho lokisa RF transistor ea matla a phahameng ka nepo?: Haeba transistor ea RF e matla haholo e hloleha ho sebetsa, e ka hloka tokiso pele e ka sebetsa hantle hape. Mehato ea ho lokisa RF transistor ea matla a phahameng ke ena:

1. Hlalosa sesosa sa ho hloleha: Ntlha ea pele, tseba sesosa sa ho hlōleha ha RF transistor ea matla a phahameng. Ho hloleha ho ka ba ka lebaka la mabaka a 'maloa, joalo ka ho kenya ka mokhoa o sa lokelang, overvoltage, overcurrent, overheating, kapa lintlha tse ling. Ho tseba sesosa sa motso ke habohlokoa ho lokisa transistor.

2. Sheba datha: Sheba database e fanoeng ke moetsi ho netefatsa hore maemo a ts'ebetso, litlhoko tsa tikoloho le lintlha tse ling li fihlelleha ka nepo.

3. Tlosa transistor e fosahetseng: Tlosa transistor e fosahetseng potolohong u sebelisa litemoso tse nepahetseng tsa ESD, mekhoa ea polokeho le lisebelisoa. Sebelisa sesebelisoa sa desoldering, sethunya sa mocheso, kapa mekhoa e meng e loketseng, ho latela mofuta oa transistor le sephutheloana.

4. Phetoho ea transistor: Haeba RF transistor ea matla a phahameng e ka nkeloa sebaka, kenya transistor e ncha sebakeng se ts'oanang le sa khale. Netefatsa hore transistor e shebile ka nepo ebile e hokahane hantle.

5.Ho lekoa: Ka mor'a ho nkela transistor ea matla a phahameng a RF, e leke u sebelisa lisebelisoa tse nepahetseng, tse kang analyzer ea marang-rang, spectrum analyzer, kapa oscilloscope. Teko e thusa ho etsa bonnete ba hore transistor e sebetsa ka nepo le ho kopana le lintlha tse joalo ka tlhahiso ea matla le bokhoni.

6. Tokiso e ncha: Fetola karolo e 'ngoe ea potoloho ea transmitter ho ntlafatsa le ho lefa transistor e ncha ho netefatsa hore transmitter e sebetsa hantle.

Ho bohlokoa ho netefatsa hore transistor ea matla a phahameng ea RF e kopana le lintlha tse hlokahalang le maemo a ts'ebetso pele e e kenya. Hape, ho bohlokoa ho latela mekhoa e khothaletsoang ea polokeho, ho kenyeletsoa motheo o nepahetseng oa motlakase le ho sebetsana le lisebelisoa, ha u leka ho lokisa transistor ea matla a phahameng a RF. Haeba sesosa sa ho hlōleha se sa bonahale, ho eletsoa ho buisana le moenjiniere ea tšoanelehang kapa setsebi ho thibela liphoso tse ling.

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