Lect.6.Intrinsic.Cap

Dutton b murmann ee114214a 3 a p p lic a t io n p e r

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Unformatted text preview: o f a c ir c u it R. Dutton, B. Murmann EE114/214A 3 A p p lic a t io n P e r s p e c t iv e • F r e q u e n c y r a n g e s fo r v a r io u s a p p lic a tio n s – A u d io ~ 2 0 H z to 2 0 k H z – V id e o s ig n a ls ~ 5 0 M H z – C a b le T V ~ 1 0 0 -8 0 0 M H z – R a d io s • • • • • AM ~500kHz–1700kHz FM ~100MHz Wireless LAN ~2.4GHz or 5GHz Cellular phones ~1GHz GPS ~1227 and 1575 MHz –… R. Dutton, B. Murmann EE114/214A 4 T h e C u lp r it • In p r a c tic a l c ir c u its , th e p r e s e n c e o f c a p a c ita n c e p r e v e n ts u s fr o m b u ild in g c ir c u its th a t c a n r u n “ i n fin ite ly ” fa s t – S o m e tim e s in d u c to r s c a n b e u s e d im p r o v e th e s itu a tio n • See EE314 iC + vC • iC = C dvC dt In tu itio n – H ig h fr e q u e n c y r e s u lts in la r g e d v C / d t a n d la r g e i C – C a p a c ito r b e c o m e s a “ s h o r t ” fo r h ig h fr e q u e n c ie s R. Dutton, B. Murmann EE114/214A 5 R C L o w -p a...
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This note was uploaded on 02/07/2014 for the course EE 214 taught by Professor Murmann,b during the Fall '04 term at Stanford.

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