Amp-char

Amp-char - High Low < 1 High Power Gain i 2 out out in P...

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Common-Emitter Common-Base Common-Collector Input Impedance Z in Moderate 1 2 R || R || r π Low E m 1 R || r || g π High ( 29 1 2 0 E L R R r 1 R R π + Output Impedance Z out Moderate C R Moderate C R Low 1 2 S E 0 r R R R R 1 π + Voltage Gain i out V in V A V = High Inverting ( 29 m C L g R R - High ( 29 m C L g R R Low < 1 ( 29 ( 29 0 E L 0 E L 1 R R r 1 R R π + Current Gain i out in I V in L I Z A = = A I R
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Unformatted text preview: High Low < 1 High Power Gain i 2 out out in P V in in L V I Z A = = A V I R High Moderate Moderate Capacitor controlling ω L C E C in C out Capacitor controlling ω H C u (Miller Effect) C u C u Assuming r d = ∞...
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This note was uploaded on 02/12/2012 for the course ECE 255 taught by Professor Staff during the Fall '08 term at Purdue.

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