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???????????λ???????F?????????uf?????????pf)???????????÷?????λ?????????????????λ????????????
1F=1000000uf 1uf=1000000pf
??????У?????????????λ??nf 1uf=1000nf 1nf=1000pf
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??????????????????????????? ????47uf?????????25v??
????????λnf???????????????4n7????4.7nf??????pf???4700pf?????е????磺10n????0.01uf??33n????0.033uf???????63??????????63v.
??????????????????????????????104???????????10X10000pf=0.1uf.??????473?????47X1000pf=0.047uf?????????4??3???????10?????η????????磺332=33X100pf=3300pf??
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1?????????·??????á?C??????????????C13???????13???????????????????????????????м????????????????????????????????????????????????
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???XC=1/2??f c (f???????????????C???????????) ?绰???г????????????е????????????????????????????????????????????
2??????????
????????????????????????????????????????????3?????????????λ?÷?????F?????????????λ???У???????mF?????????uF?????????nF?????????pF???????У?1????=10 3????=10 6???=10 9???=10 12???
??????????????????????????????????10 uF/16V ????С???????????????????????????????????
??????????1m=1000 uF 1P2=1.2PF 1n=1000PF
?????????????????λ????????????С?????λ?????Ч?????????λ??????????
?磺102???10??102PF=1000PF 224???22??104PF=0.22 uF
3??????????????
?? ?? F G J K L M
??????? ??1% ??2% ??5% ??10% ??15% ??20%
?磺?????????104J????????0. 1 uF????????5%??
????admin ?????????2023-06-05
