Kev txhim kho diodes

Txoj kev loj hlob ntawm diodes tau yog ib qho zoo kawg nkaus taug kev txij li thaum lawv tsim nyob rau hauv 1904 los ntawm J. Ambrose Fleming. Diodes tau ua lub luag haujlwm tseem ceeb hauv kev loj hlob ntawm kev lag luam hluav taws xob, thiab lawv cov ntawv thov txuas ntxiv nthuav dav hauv lub sijhawm thev naus laus zis niaj hnub no.

Tam sim no, muaj ob hom diodes tseem ceeb: semiconductor thiab lub tshuab nqus tsev. Nrog rau kev nce qib ntawm thev naus laus zis, semiconductor diodes tau dhau los ua kev ntseeg siab thiab siv ntau dua hauv cov khoom siv hluav taws xob niaj hnub no. Cov kev siv ntau tshaj plaws ntawm semiconductor diodes muaj xws li rectification, teeb liab modulation thiab clipping, thiab voltage tswj.

Ib qho txiaj ntsig tseem ceeb ntawm diodes yog tias lawv tsis tshua muaj nqi thiab yooj yim rau kev tsim khoom. Kev lag luam tau ua haujlwm zoo hauv kev tsim cov diodes uas tswj cov hluav taws xob ntau dua, ua haujlwm ntawm qhov kub thiab txias, thiab muab cov dej xau qis. Qhov no tau ua rau txo qis qhov xav tau ntawm cov khoom loj thiab kim passive, xws li transformers thiab capacitors. Tsis tas li ntawd, kev txhim kho thev naus laus zis tsis ntev los no tau tso cai rau kev tsim cov diodes ultra-ceev ceev, uas tau txhim kho kev ua haujlwm ntawm lub zog hloov hluav taws xob thiab txo qis zog.

Lwm thaj chaw uas diodes tau pom daim ntawv thov nce ntxiv yog nyob rau hauv optoelectronics, lossis kev siv thev naus laus zis uas suav nrog kev siv lub teeb hauv cov khoom siv hluav taws xob. Lub teeb-emitting diodes (LEDs) tau dhau los ua lwm txoj hauv kev zoo rau cov teeb pom kev zoo, tshwj xeeb tshaj yog rau lawv cov kev siv hluav taws xob qis, kev ua neej ntev, thiab kev cuam tshuam ib puag ncig.

Hauv cov ntsiab lus, txoj kev loj hlob ntawm diodes tau yog ib qho kev taug kev zoo kawg nkaus nrog cov txiaj ntsig zoo rau yav tom ntej ntawm cov khoom siv hluav taws xob. Kev nce qib uas tau ua nyob rau hauv semiconductor diodes thiab optoelectronics tau ua rau kev tsim cov cuab yeej ua tau zoo thiab cov nqi tsim nyog, uas yog qhov tseem ceeb rau kev txhim kho cov thev naus laus zis tshiab hauv ntau qhov chaw.