Co yog cov khoom siv hluav taws xob ua siv los tsim cov cim hluav taws xob ntau dua (feem ntau yog tsis muaj xua lossis tsis muaj voj voog). Lub voj voos nws muaj yog hu ua Ib qho Circuit Court Circuit. DC fais fab yuav raug hloov mus rau cov hluav taws xob hauv hluav taws xob los yog cov khoom siv uas muaj cov zis AC tawm suab. Muaj ntau hom, raws li Kev Ntxub Ntxaug tau muab faib ua tus kheej-zoo siab oscillator, nws txaus siab Shake; raws li tus qauv kev cog lus yuav muab faib ua RC co , inductor thiab capacitor Co , Crystal Collage , tuning fork Shake ; raws li tso tawm lub npog sab nraud tau faib rau Sine wave, square nthwv, sawtooth yoj oscillator. Siv dav hauv kev lag luam, kev kho mob, kev tshawb fawb thiab lwm yam.
Lub tuam txhab tshwj xeeb hauv kev muag khoom ntau hom Kev Co thiab txais tos cov neeg muas zaub uas xav tau sablaj thiab yuav khoom.
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