Yuav ua li cas siv diodes rau kev tsis ncaj ncees tswj ntawm kev sib txuas lus hannifiers?

一, cov txheej txheem txuj ci siab thiab cov tseem ceeb ntawm diode bias tswj
1. Them nyiaj ntsuas kub: daws cov teeb meem ntawm thermal distortion
Thaum lub zog hluav taws xob yog hauv kev ua haujlwm, nce qib siab ntawm qhov kub (VBE) Los ntawm kev tsim cov lus qhia tsis zoo ntawm lub voj, diodes tuaj yeem ua tiav kev them nyiaj tsis muaj txiaj ntsig. Piv txwv li, hauv chav kawm A thiab B complement me me, ob qho kev ntsuas hluav taws xob poob qis, thiab lawv cov chaw kub nraim uas tau poob qis, uas offsets qhov kub txav ntawm qhov kub ntawm chaw muag khoom. Kev sim cov ntaub ntawv qhia tau hais tias thaum lub suab nrov siv DIODIZE cov kev hla kev ua kom qis dua 0.1% nyob rau hauv ib qho dav ntau ntawm -40 txog 10 zaug siab dua li cov tsis sib haum hluav taws xob.
2.
Hauv chav kawm c lub zog amplifiers, donges ua haujlwm ua ke nrog potentiometers nrog ua kom tau txais kev tswj lub conduction kom meej. Thaum cov tswv yim teeb liab hluav taws xob nce, cov voltage rau pem hauv ntej kom txo qis, yog li txo txoj kev npau taws tam sim no thiab suppressing nonlinear distortion. Tom qab tau txais cov phiaj xwm no, chav kawm ntawm cov chav kawm hauv 2.4GHz zaus band offmodulation delfulation (IMD3) los ntawm ib qho kev tso zis ntawm 20W, thaum tswj hwm kev ua haujlwm ntawm ntau dua 65%.
3. Cov ntse tiv thaiv mechanism: tiv thaiv ntaus ntawv ntau dhau
Hauv millimeter yoj kev sib txuas lus modules, schottky diodes tau siv dav hauv kev tiv thaiv kev tiv thaiv kev tiv thaiv vim lawv nanosecond kev teb ceev. Thaum lub amplitude ntawm cov phiaj xwm tawm tswv yim ntau dua qhov pib, cov diode sai sai ua rau shunt, clamping the treistor voltage ntawm transistor nyob rau hauv ib qho kev nyab xeeb. Tom qab tau txais cov phiaj xwm no hauv ib qho 28GHz zaus band zog zog, qhov kub nce qib li ntawm 125℃thaum lub zog nkag tau mus rau 35dbm, tseem txuas ntxiv rau lub neej ntaus ntawv.
2, Cov Ntawv Thov Raug Raug Ntawm Diode Bias Tswj
1. 5 g puag ncig ntawm {{1} {{{{{{{{3} {fais fab tsim
Nyob rau hauv loj heev mimo puag noj haus, gan fais fab amplifiers siv diode txuas nrog kev siv hluav taws xob kom txo tau cov thev naus laus zis tam sim no. Piv txwv li, lub hwj chim nthuav dav module ntawm qee tus qauv 64t64r kav hlau loj, tom qab siv Diode txuas ntxiv, ua yuam kev ntawm 256Qam zoo dua li 1GPP cov qauv.
2.
Lub T / R module nyob rau hauv lub qubellite payload xav tau kev khiav haujlwm nyob rau hauv ib puag ncig los ntawm -55℃rau 125 degree. Ib tug ka band (26.5-40GHz) lub zog amplifier siv ib qho kev tsis ncaj ncees txoj kev tsis ncaj ncees txoj cai muaj cov zener diode thiab ib lub thermistor. Los ntawm kev soj ntsuam cov kev sib tshuam kub nyob rau lub sijhawm tiag tiag thiab kho qhov bias voltage, qhov tau txais kev hloov pauv yog tswj tsis pub dhau ± 0.2db. Hauv kev sim cov ntaub ntawv kuaj pom tias cov tshuaj no tau nce MTBF (txhais tau tias lub sijhawm ua tiav) ntawm cov cuab yeej ua tiav) ntawm cov cuab yeej ua kom dhau 15 xyoos.
3. Lub tsheb sib txuas lus: Sib npaug los tiv thaiv - kev cuam tshuam thiab high efficiency
Hauv c - v2x Kev sib txuas lus module, pin ddayes siv nyob rau hauv tsis siv neeg nce tswj (AGB) Circuit Court. Thaum tau txais cov teeb liab lub zog hloov los ntawm -110dbm rau -20DBM, tus lej PIN diode dynifier nce nyob rau hauv 40dB ntau yam los ntawm kev hloov pauv qhov sib npaug. Tom qab tau txais cov phiaj xwm no, qee qhov kev ntsuas lub zog tshiab txo qhov kev sib txuas lus ntawm 10 ⁻ hauv kev sib txuas lus hauv lub zog xws li kev siv hluav taws xob xws li 30%.
3, thev naus laus zis evolution sib txuas thiab sab pem teb tshawb nrhiav
1. Heterogeneous Kev sib koom ua ke thev naus laus zis: ua txhaum los ntawm cov botteneck ntawm cov txheej txheem sib xyaw
Nyob rau hauv teb rau qhov tsis sib xws ntawm Gan thiab Cmos cov txheej txheem, ib qho kev lag luam muaj qee yam kev lag luam tau tsim muaj kev sib xyaw ua ke ntawm 45nm cmos substrate los ntawm micro pob subding thev naus laus zis. Cov txheej txheem no tau ua tiav lub zog ntxiv kev ua tau zoo (Pae) ​​ntawm 58% nyob rau hauv x {}}}}} peeps siab dua li cov txheej txheem sib xyaw ua ke. Nws tau raug thov rau hauv kev tsim qauv ntawm Airborne Radar Payloads.
2. Txawj Ntse Bias Tswj: Ai Algorithm Empowers Dynamic Kev Txhim Kho
Ib pab neeg tshawb fawb thov kev txhawb nqa cov ntsiab lus ntawm kev tswj hwm cov yam ntxwv ntawm kev ntsuas cov xeeb ceem, zoo li lub sijhawm sib piv rau nruab nrab, spectral faib). Kev sim cov ntaub ntawv qhia tau tias nyob rau hauv 64Qam kev hloov kho, cov txheej txheem no zoo papticizes) los ntawm 3db thiab txhim kho kev ua tau zoo los ntawm 5 feem pua ​​cov ntsiab lus.
3. Cov khoom tshiab
Graphene Heterojection dodes tau ua kom tawg hauv Terahertz kev tshawb fawb kev sib txuas lus vim lawv cov lus sib txuam xoom. Cov cuab yeej tsim los ntawm qee qhov chaw kuaj sim ua tiav qhov sib hloov pauv ntawm ntau dua 1000 hauv 0.3thz zaus qib luv rau cov femtosecond theem. Cov cuab yeej no tuaj yeem sib xyaw ua ke rau Terahertz Iject Chips rau siv nyob rau hauv 6G Base nres kev tshuaj ntsuam kev tshuaj xyuas lub tshuab hluav taws xob, uas yog 20 npaug siab dua li millimeter sov tshuab.
4, lub paradigm hloov hauv cov qauv tsim qauv
1. Ntau Physics Teb teb sib koom tes simulation
Hauv kev tsim ntawm lub millimeter yoj kev sib txuas lus module, ansys simulation thiab orkpak sib koom ua ke platform tau siv los ua cov qauv 3D ntawm SIC diodes. Los ntawm kev ua kom zoo ntawm kev teeb tsa ntawm tshav kub dissipation raws, thaum tswj kev ntxhov siab ntawm cov cuab yeej tsis pub dhau ntawm qhov kub thiab txias ntawm -55℃rau 125 degree.
2. Kev tsim kho ntawm parameterized qauv qiv ntawv
Ib qho chaw tsim khoom Eda tau tsim kho cov tsiaj me ntxhais qiv ntawv muaj dua 500 qhov tsis yog rau hom tshiab ntawm Diode. Cov tsev qiv ntawv no npog cov ntaub ntawv xws li s ing- cov duab tsis sib haum xeeb rau cov cuab yeej sib txawv xws li cov tshaj tawm thiab Cadence. Hauv kev tsim ntawm 5G qhov chaw nres tsheb me me, daim ntawv thov ntawm cov qauv txheej txheem no luv luv ntawm 10 lub lis piam, thiab nce qhov kev vam meej ntawm ib qho kev ua tiav ntawm ib qho kev ua tiav rau 95%.
3. Tsim rau Kev Tsim Txiaj (DFM) kev ua kom zoo
Ib qho chaw lag luam tau tsim tsa DFM thawj lub tsev qiv ntawv rau micro diodes ntim tau hauv 008004 (0.3mm × 0.15mm):
Cov kab txuas ntxiv: ntau dua los yog sib npaug rau 30 μ m
Steel ntxaij tuab: 0.06mm ± 0.005 hli
Peak Kub ntawm kev xav txog soldering: 240℃± 3 degree
Los ntawm kev ua kom zoo dua cov solder muab muab cov ntawv luam tawm, cov vuam Void tus nqi tau raug txo los ntawm 12%, ntsib cov cai ntawm AEC {2} tus qauv rau cov khoom siv hluav taws xob automotive.
https://www.trrsemicon.com/transistor/nppsor/nppsor/nppsor/nppsor/npnipsAnsistorIsistOng4+3