Tus Pin Diodes tswj kav hlau txais xov li cas hloov kev sib tw hauv kev sib txuas lus?

1, cov qauv thiab ua haujlwm ntawm tus pin diode
Cov Qauv Txheej Txheem
Pin ddays muaj los ntawm p - hom, intrinsic semiconductor (i txheej)}} hom semiconductors txheej. Ntawm lawv, P {- hom thiab n {4 4}} Hom sorgedly doped, thaum lub kuv txheej doped intrinsic scinsic scinsic slicationnond|Tus qauv no ua rau tus PIN diode nthuav tawm qis qis thaum tom ntej biased thiab siab impedance thaum thim rov qab.
Ua Haujlwm Cov Ntsiab Cai
Thaum xa mus rau tom ntej, qhov hauv P cheeb tsam thiab cov hluav taws xob hauv N cheeb tsam tau txhaj rau hauv i cheeb tsam, sib sau tus nqi huab txo qhov tsis kam ntawm kuv cheeb tsam. Tus PIN diode cov khoom pov thawj lub xeev tsis tshua muaj siab, tso cai rau tam sim no kom dhau los ntawm; Thaum thim rov qab tsis zoo, cov neeg nqa khoom tau nyiam rau thaj tsam ntawm i cheeb tsam, uas yuav luag tsis muaj nqi huab thiab cov kev tawm tsam nce zuj zus. Tus PIN diode cov khoom pov thawj lub xeev siab lub xeev, tiv thaiv kev hla dhau los ntawm.
Cov yam ntxwv zoo
PIN diodes have advantages such as high impedance, low conduction loss, fast response capability, variable capacitance characteristics, low noise, high power capacity, and temperature stability, which make them widely used in fields such as RF communication, signal modulation, power control, protection circuits, and sensors.
2, Tswj lub hauv paus ntsiab lus ntawm Pin Diode hauv kav hlau txais xov hloov Circuit Court
Cov ntsiab cai yooj yim
Tus Pin yog siv tau tsuas yog siv raws li hloov hauv tus kav hlau txais xov hloov hloov tsheb. Los ntawm kev tswj hwm nws cov bias voltage, kev ua kom haum thiab txiav tawm ntawm tus pin diode tuaj yeem ua tiav, yog li tswj hwm qhov kev sib txuas thiab kev txiav txim siab ntawm tus kav hlau txais xov. Thaum tus PIN diode yog tom ntej kev ntxub ntxaug, nws ua pov thawj qis impedance thiab tus kav hlau txais xov tau txuas nrog rau Circuit Court; Thaum tus PIN diode yog thim rov qab tsis zoo, nws ua pov thawj siab impedance thiab disquonnects lub kav hlau txais xov los ntawm Circuition.
Tswj Mechanism
Muaj ntau txoj hauv kev los tswj hwm qhov kev tsis ncaj ncees ntawm tus pin dodes, suav nrog kev siv DC tswj voltage, niaj hnub lim cov coils. Piv txwv li, hauv kev sib tshuam uas converts vhf thiab UHF kav hlau txais xov rau tus lej PIN rau ib tug ferrite taw qhia hauv xov tooj cua.
Hloov pauv kev ua tau zoo
Thaum tus lej Pin dodes tau siv los ua hloov chaw, lawv muaj cov peev xwm nrawm nrawm thiab tuaj yeem hloov pauv ntawm kev coj ua thiab cov chaw txiav tawm hauv lub sijhawm luv luv. Nyob rau tib lub sijhawm, nws cov impedance qis thaum tom ntej kev sib cav thiab siab yuam kev thaum thim rov qab los ua tus yam ntxwv ntawm kev poob siab tsawg thiab kev sib cais siab. Piv txwv li, hauv lub xov tooj ntawm tes kav hlau kav hlau txais xov hloov module, plaub tus Pin Uiodes feem ntau tau siv los tsim ib tus ncej ob npaug. Los ntawm kev hloov lub bias voltage, lub kav hlau txais xov tuaj yeem hloov ntawm GPS thiab cellular zaus tuaj yeem hloov pauv, nrog kev sib cais ntau dua 30db thiab ib qho ntsaws tsis pub dhau 0.5dB.
3, Thov rooj plaub ntawm PIN diode hauv kav hlau txais xov hloov Circuit Court
VHF / UHF kav hlau txais xov hloov hloov Circuit Court
Hauv ib qho VHF / UHF kav hlau txais xov hloov Circuit Coacking Circuit Coacking Circuit, Kev Conduction thiab txiav ntawm tus lej Pin ntawm D1 thiab D2 tswj cov kav hlau txais xov ntawm lub kav hlau txais xov. Thaum ib tug 5V DC tswj voltage yog thov rau tus pin pin ntawm cov coaxial cable, tam sim no lim cov neeg tiv thaiv tam sim no thiab cov kab mob ntawm cov paib los ntawm kev siv hluav taws xob RF. Thaum cov diode tab tom ua, tus kav hlau txais xov tau txuas nrog rau Circuit Court; Thaum cov dito muab tua, tus kav hlau txais xov thiab Circuit Court tau raug txiav tawm. Hom kev sib tw no muaj cov qauv yooj yim thiab ua tau ruaj khov, thiab yog siv dav hauv cov khoom sib txuas lus wireless.
Kav hlau kav lub kav hlau kav kav kav kav hauv cov kav hlau txais xov
Nyob rau hauv cov kav hlau txais xov, tus lej Pin yuav siv tau los ua tiav cov kav hlau txais xov dynamic. Piv txwv li, hauv LTE thiab 5G NRYS hloov kev siv thev naus laus zis (TAS ntxiv) tuaj yeem txhim kho kev sib kis kev ua haujlwm thiab ua tau zoo. Lub transmitting kawg siv ib lub kav hlau txais xovtion algorithm los xaiv cov kav hlau txais xov rau cov ntaub ntawv tshaj tawm hauv Xeev (CSI) los ntawm qhov tau txais kawg. Tus PIN diode ua haujlwm ua tus hloov pauv qhov kev sib txuas thiab kev sib txuas ntawm tus kav hlau txais xov raws li cov txiaj ntsig xaiv, yog li ua tiav cov kav hlau txais xov dynamic.
Kev thov ua tiav tiag tiag
Hauv kev siv cov kev siv, tus PIN diode kav hlau txais xov hloov cov Circuit Court txhim kho qhov kev ua tau zoo ntawm cov kev sib txuas lus. Piv txwv li, hauv kev sib txuas lus wireless pib rau cov kabmob kis tau thiab kev txais tos, hluav taws xob ua kom haum kev hloov kho, thiab teeb tsa cov phiajcim ua raws. Hauv Mimo kav hlau txais xov hluav taws xob, PIN diOD khawm tswj hwm tus kis tau tus mob Nyob rau tib lub sijhawm, cov hloov pauv nrawm nrawm ntawm tus lej Pin kuj tau ua tau raws li qhov yuav tsum tau ntawm qhov siab ntawm kev sib txuas lus thiab txo tus nqi yuam kev ceev.
4, Tsim Qauv thiab Ua Haujlwm Zoo ntawm kav hlau txais xov hloov Circuit Court
Circuit Tsim Qauv
Thaum tsim qauv PIN diode kav hlau txais xov hloov Circuit Court, ntau yam yuav tsum tau txiav txim siab, suav nrog kev xaiv ntawm bias voltage, thiab txoj kev teeb tsa thiab hluav taws xob ntawm Circuit Court. Thaum xaiv, tus qauv PIN uas tsim nyog tus qauv yuav tsum tau xaiv raws li cov kev xav tau xws li cov kev siv hluav taws xob tshwj xeeb, ntsuas hluav taws xob, thiab qhov siab tshaj plaws. Txoj kev tswj hwm ntawm Bias yuav tsum ruaj khov thiab ntseeg tau, thiab muaj peev xwm ua tau raws li qhov yuav tsum tau hloov nrawm. Cov txheej txheem thiab hluav taws xob ntawm lub voj voog yuav tsum tau ua kom ntev li ntau tau kom tsis txhob muaj kev cuam tshuam xaiv.
Kev Ua Haujlwm Zoo
Txhawm rau kom ua kom tau zoo dua ntawm tus PIN diode kav hlau txais xov hloov Circuit Court, ntau yam kev ntsuas tuaj yeem coj tau. Piv txwv li, siv ntau tus pin dodes nyob rau hauv parallel kom txo tau sib npaug thiab txhim kho kev coj ua ntawm Circuitity; Cov kev ua kom sib txuas tau sib txuas tau txuas rau ntawm ob qho kawg ntawm tus PIN diode los txhim kho zaus cov xeeb ntxwv cov xeeb ntxwv; Ua kom zoo txoj kev tswj Algorithm ntawm Bias Voltage los txhim kho qhov tseeb thiab ua haujlwm ntawm cov kav hlau txais xov.
Cov kev cov nyom thiab cov kev daws teeb meem hauv cov ntawv thov
Hauv kev siv cov ntawv thov, tus kav hlau txais xov lub kab mob rov qab mus hloov cov yam ntxwv ntawm cov yam ntxwv siab, kev tsav dav hlau siab, thiab tsis txaus ntseeg lub neej. Cov kev daws teeb meem tuaj yeem raug coj los daws cov teeb meem no. Piv txwv li, nyob rau hauv qhov ntau ntau zaus ntau, Mems hloov pauv tuaj yeem suav tau los hloov tus pin dodes; Txo kev tsav voltage los ntawm kev ua kom zoo circuitor tsim; Kev txais siab siab - Zoo Pin dodes thiab kev ua kom sov lub tshav kub dissipation kom txuas ntxiv lawv txoj kev pabcuam lub neej.
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