Ukusuka kwi: Electronics 101, mhlawumbi iza kuba izinto zesifundo sexesha elizayo kule
Ekugqibeleni, ii-capacitors zigcina imali. Zininzi izinto ozenzayo ngee-capacitors.
Ii-capacitors zisebenza kakuhle kwiifilitha ze-elektroniki — ukucoca amaza omoya ongawafuniyo.
Isihluzi sepasi esiphantsi — iifrikhwensi eziphantsi zibonakala kwimveliso, iifrikhwensi eziphezulu ziyacinywa.
Isihluzi se-high pass — iifrikhwensi eziphezulu zibonakala kwi-output, iifrikhwensi eziphantsi ziyacinywa.
Xa zidityaniswe ne-inductor, zenza isekethe ye-resonator enokusika uluhlu oluncinci lweefrikhwensi okanye ikwandise kakhulu ifrikhwensi enye.
Isihluzi sebhendi esivumela kuphela iifrikhwensi ezithile ukuba zidlule.
Ii-capacitors zisetyenziswa rhoqo ukunceda ukuzinzisa umbane — kuba zenza i-shunt ukuya kwi-AC kodwa zishiya i-DC yodwa, ukuba ufuna umbane ozinzileyo mhlawumbi uya kusebenzisa ii-capacitors ukucima ingxolo, zishiya i-voltage ye-DC eqinileyo entle kwimveliso.
Impendulo ekhawulezileyo yesekethe ye-RC ikwaluncedo kakhulu ekulawuleni ixesha.
Impendulo yesikhashana yesekethe ye-RC
Ekubeni kuthatha ixesha eliqikelelweyo ukufikelela kwi-voltage ethile, ingasetyenziselwa ukujonga ixesha lokutshintsha kwe-elektroniki.
Ixesha kunye nexesha lokuphumla zisetwa yi-capacitor kunye nee-resistor ezimbini kwisekethe yexesha eboniswe apha ngasentla.
Kwakhona, ekubeni zigcina itshaja, zingasetyenziswa njengenxalenye yenkqubo yokuguqula i-AC ibe yi-DC.
Ngaphandle kokusebenzisa i-capacitor, endaweni yokuba yi-DC egobileyo, ibukeka njenge-sine wave enenxalenye esezantsi ejijekileyo.
Yisampuli nje encinci leyo. Zenza izinto ezininzi, kuquka ukwahlukanisa kunye nokudibanisa (imisebenzi yokubala), iisekethe ezihlukanisiweyo, i-shift voltage phase yokubuyisela amandla, kunye nokubamba itshaja ukusetyenziswa okwethutyana.
Kwaye kukho zonke izinto ongafuni ukuba i-capacitance ibe nazo, kodwa kufuneka ujongane nazo nokuba kunjalo kuba i-capacitance yinto ebonakalayo, ayiyonto ekhoyo kuphela kwizixhobo ezichazayo. Njengokuthetha nge-signal cross-talk, ukudlala nge-input and output impedance, ukongeza ingxolo, ukuba novelwano kwiintshukumo ze-acoustic, njl.
inqaku elivela ku: https://qr.ae/pCJQKu
Ixesha leposi: Jan-23-2026