Cable TV teeb liab amplifier yog tsim los ntawm cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob ntau zaus; Nws kuj tseem tuaj yeem muab faib ua AC fais fab mov txoj hauv kev thiab txoj kev teeb tsa hluav taws xob ntau zaus. Qhov sib xyaw ua ke ntawm ob qhov chaw sib txawv, thiab lawv cov haujlwm thiab kev ua haujlwm kuj txawv.
Cov khoom siv hluav taws xob feem ntau yog muab cov khoom siv hluav taws xob ruaj khov thiab txhim khu kev qha DC, uas tau pom los ntawm cov kauj ruam xws li kev nqis tes ua, kev kho dua tshiab, lim dej thiab kev ruaj ntseg voltage.
High-frequency signal amplification feem feem ntau hloov lub zog muab los ntawm AC fais fab mov rau hauv high-signal zog, thiab amplifies thiab txhim kho lub high-frequency teeb liab. Lub qub yog DC tivthaiv thiab tom kawg yog cov khoom siv ntau zaus.
DC 10000F thiab siab zaus 10000F los ntawm tib lub zog, tab sis lawv yuav tsum ua haujlwm sib cais. Txij li thaum tsis ruaj tsis khov DC los yog pulsating DC yog tov rau hauv lub high-frequency amplification channel, nws yuav ncaj qha cuam tshuam rau lub high-frequency teeb liab, yog li DC tivthaiv muab los ntawm lub hwj chim mov yuav tsum ruaj khov thiab tsis muaj pulsation; thiab lub amplified high-frequency teeb liab tsis tuaj yeem muab sib xyaw rau hauv lub hwj chim mov. Txwv tsis pub, lub high-frequency amplifier Circuit Court yuav thim rov qab mus rau lub high-frequency amplifier Circuit Court los ntawm lub hwj chim mov channel, kom lub high-frequency amplifier circuit yuav tau txais tib lub high-frequency teeb liab ob zaug, ua rau tib-frequency cuam tshuam, ncua sij hawm. ghosting, ntau yam kev sib haum xeeb thiab lwm yam teeb meem, uas tseem yuav ua rau kom tsis txhob muaj qhov system ua haujlwm zoo.
