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Very simply, physically small capacitors tend to have lower parasitic inductance* \: R5 e5 [* s; X H7 g g; W
than physically large capacitors. Just as a short wire has less inductance than a long wire, a
2 W+ s2 ]0 l8 q. J: \short capacitor has less inductance than a long capacitor. Likewise, as a fat or wide wire has2 C3 d9 s! H+ ]- m6 \( x9 l
less inductance than a narrow wire, so too does a fat capacitor have less inductance than a
8 B# O% u3 o2 I Wnarrow capacitor
) R5 Y- j1 @ K4 a9 ?/ ~, `* t. @在讀PDS的時候,有這麼一緞很糊塗.& c3 O6 Y; }8 J1 o/ e" y. F, I
請問: 這裡面所謂的長短,fat narrow到底是甚麼意思阿?
2 n8 K6 v K* r他們之間有甚麼關係阿?- t% Z% A* I$ m ?9 a0 E2 M/ l
感覺矛盾‵`: a, m/ h* B7 Q' R: Z# V' f
盼答!
- F: J1 w. l& `5 |. i9 g$ l$ c; a |
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发表于 2007-12-28 17:20
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