Kev ua haujlwm ntawm lub Capacitor

Apr 06, 2026 Tso lus

 

Coupling: Ib tug capacitor siv nyob rau hauv ib tug coupling Circuit Court yog hu ua ib tug coupling capacitor. Cov capacitors no tau siv dav hauv kev tiv thaiv -capacitance (RC) txuas txuas ntxiv thiab lwm yam khoom siv hluav taws xob-coupled circuits, qhov chaw uas lawv ua haujlwm los thaiv DC cov teeb liab thaum tso cai rau AC teeb liab hla.

 

Filtering: Ib lub capacitor siv nyob rau hauv lub filtering Circuit Court yog hu ua filter capacitor. Cov capacitors no tau ua haujlwm hauv cov khoom siv hluav taws xob lim dej thiab ntau lwm cov lim lim; lub lim capacitor ua haujlwm kom tshem tawm cov teeb liab nyob rau hauv ib qho kev sib tw zaus los ntawm cov teeb liab sib xyaw.

 

Decoupling: Ib tug capacitor siv nyob rau hauv ib tug decoupling Circuit Court yog hu ua decoupling capacitor. Cov capacitors no yog siv nyob rau hauv DC fais fab mov kab ntawm multi-theem amplifiers kom tshem tawm teeb meem tsawg-frequency coupling ntawm tus kheej amplifier theem.

 

Siab -Frequency Oscillation Suppression: Ib lub capacitor siv nyob rau hauv siab -frequency oscillation suppression circuit is called a suppression capacitor. Hauv lub suab tsis zoo- tawm tswv yim amplifiers, hom capacitor no yog ua haujlwm los txhawm rau muaj peev xwm siab - zaus tus kheej- oscillation, yog li tshem tawm siab - suab squealing lossis tawm suab nrov uas tej zaum yuav tshwm sim hauv lub amplifier.

 

Resonance: Lub capacitor siv nyob rau hauv LC resonant circuit hu ua resonant capacitor. Cov capacitors no yog cov khoom tseem ceeb hauv ob qho tib si thaum uas tig mus thiab series LC resonant circuits.

 

Bypassing: Ib tug capacitor siv nyob rau hauv ib tug bypass Circuit Court yog hu ua ib tug bypass capacitor. Thaum lub Circuit Court yuav tsum tau tshem tawm cov teeb liab nyob rau hauv ib tug tej zaus band, ib tug bypass capacitor Circuit Court yuav siv tau. Raws li qhov zaus ntawm cov teeb liab hla dhau, cov kab hluav taws xob no tau muab faib ua tag nrho - spectrum bypass circuits (bypassing tag nrho cov teeb liab AC) thiab siab - zaus bypass circuits.

 

Neutralization: Ib lub capacitor siv nyob rau hauv ib qho hluav taws xob neutralization yog hu ua neutralizing capacitor. Cov capacitors no tau ua haujlwm nyob rau hauv siab - zaus (HF) thiab nruab nrab- zaus (IF) amplifier theem ntawm lub xov tooj cua receivers, nrog rau hauv HF amplifiers ntawm TV teeb, los tiv thaiv tus kheej - oscillation.

 

Sijhawm: Ib lub capacitor siv nyob rau hauv lub sij hawm Circuit Court yog hu ua lub sij hawm capacitor. Cov capacitors no yog siv nyob rau hauv circuits uas lub sij hawm tswj tau tiav los ntawm kev them nyiaj thiab tawm ntawm lub capacitor; lub capacitor ua hauj lwm los txiav txim qhov loj ntawm lub Circuit Court lub sij hawm tas li.

 

Kev sib xyaw ua ke: Lub capacitor siv nyob rau hauv ib qho kev sib koom ua ke yog hu ua kev sib koom ua ke capacitor. Nyob rau hauv synchronization sib cais circuits ntawm teb-scan tshuab (xws li cov pom nyob rau hauv video qhia), hom capacitor no yog siv los rho tawm cov teeb liab synchronization ntsug los ntawm cov teeb liab synchronization sib xyaw.

 

Differentiation: Ib tug capacitor siv nyob rau hauv ib tug txawv Circuit Court yog hu ua txawv capacitor. Hauv cov kab hluav taws xob, txhawm rau tsim cov ntse ntse -peaked trigger signals, ib qho kev sib txawv capacitor Circuit Court yog ua hauj lwm los muab cov pulses ntse los ntawm ntau hom input signals (feem ntau cov duab plaub).

 

Kev them nyiaj yug: Capacitors siv nyob rau hauv them nyiaj circuits raug xa mus rau raws li them nyiaj capacitor. Nyob rau hauv lub bass them nyiaj circuits ntawm cassette decks, hom no ntawm tsawg- zaus them Circuit Court yog siv los boost qhov tsawg- zaus Cheebtsam nyob rau hauv lub suab playback teeb liab; conversely, siab - zaus them nqi circuits kuj yog siv rau siab -frequency signals.

 

Bootstrapping: Capacitors siv nyob rau hauv bootstrapping circuits yog hu ua bootstrap capacitor. Cov theem tso zis ntau OTL (Output Transformerless) fais fab amplifiers siv hom bootstrap Circuit Court kom me ntsis boost lub amplitude ntawm qhov zoo ib nrab- voj voog ntawm lub teeb liab los ntawm kev tawm tswv yim zoo.

 

Crossover: Capacitors pom nyob rau hauv crossover circuits yog hu ua crossover capacitor. Nyob rau hauv lub suab nrov crossover networks ntawm lub tshuab suab, cov circuits no tau ua haujlwm los xyuas kom meej tias siab - cov neeg tsav tsheb zaus ua haujlwm nyob rau hauv qhov siab -frequency band, nruab nrab - cov tsav tsheb khiav hauv nruab nrab -frequency band, thiab low-frequency drivers 6} band.

 

Load Capacitance: Qhov no yog hais txog qhov ua tau zoo sab nraud uas, ua ke nrog quartz siv lead ua resonator, txiav txim siab qhov load resonance zaus. Feem ntau cov qauv tsim nyog rau kev thauj khoom muaj peev xwm suav nrog 16 pF, 20 pF, 30 pF, 50 pF, thiab 100 pF. Lub load capacitance tuaj yeem hloov kho kom haum raws li cov kev xav tau tshwj xeeb; los ntawm cov kev hloov kho no, qhov ua haujlwm zaus ntawm lub resonator feem ntau tuaj yeem hloov kho rau nws tus nqi nominal.