GaN daim ntawv thov cua qhov hluav taws xob
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GaN daim ntawv thov cua qhov hluav taws xob
Kev yug los ntawm gallium nitride los nrog lub hom phiaj ntawm kev txhim kho thev naus laus zis los ua haujlwm zoo rau noob neej. Ntau cov thev naus laus zis tshiab, cov ntawv thov tshiab, thiab kev lag luam tshiab yog lub hom phiaj los nyiam thoob ntiaj teb kev nyiam thaum GaN tab tom tsiv ntawm chav kuaj mus rau kev ua lag luam. Cov kev lag luam tawm tshiab no suav nrog 5G, RF, kev them nqi ceev, thiab lwm yam. Peb hais txog qee qhov chaw uas GaN tam sim no tab tom ua lag luam loj.
RF GaN thev naus laus zis yog qhov zoo tshaj plaws rau 5G, thiab lub hauv paus chaw nres tsheb fais fab amplifier siv GaN. Gallium nitride (GaN), gallium arsenide (GaAs), thiab indium phosphide (InP) yog peb- thiab tsib-valent semiconductor cov ntaub ntawv uas nquag siv hauv xov tooj cua zaus. Muab piv rau cov txheej txheem siab xws li gallium arsenide thiab indium phosphide, GaN li tso zis ntau zog; piv rau cov txheej txheem fais fab xws li LDCMOS thiab silicon carbide (SiC), GaN muaj cov yam ntxwv zoo dua. Nws yog ib qho tseem ceeb uas qhov instantaneous bandwidth ntawm GaN ntaus ntawv yog siab dua, kev siv cov txheej txheem sib sau ua ke thiab kev npaj ntawm cov neeg nqa khoom ntau dua yog siv los ua kom tiav bandwidth ntau dua.
Gallium nitride sai dua silicon lossis lwm yam khoom siv peb- thiab tsib-valent. GaN tuaj yeem ua tiav lub zog ceev dua. Rau ib theem fais fab, GaN muaj qhov zoo ntawm qhov me me. Nrog cov khoom siv me me, cov cuab yeej muaj peev xwm txo tau, ua rau kev tsim cov tshuab bandwidth siab dua. Ib qho tseem ceeb ntawm RF Circuit Court yog PA (Power Amplifier).
Los ntawm daim ntawv thov tam sim no, lub zog amplifier feem ntau yog tsim los ntawm gallium arsenide lub zog amplifier thiab cov hlau oxide semiconductor fais fab amplifier (CMOS PA), uas GaAs PA yog lub ntsiab. Tab sis nrog rau qhov tshwm sim ntawm 5G, GaAs cov cuab yeej yuav tsis tuaj yeem tswj hwm kev sib koom ua ke ntawm cov zaus siab, yog li GaN yog qhov chaw kub tom ntej. Raws li dav-bandgap semiconductor, Gan tuaj yeem tiv thaiv kev ua haujlwm siab dua thiab muaj zog ntau dua, ua rau muaj hluav taws xob siab dua, muaj zog ntau, dav bandwidth.