# Hw1 - mA/V C 2 = 10 pF R 3 = 1 k Ω R 4 = 1 k Ω v s t = 0 01 sin(2 π 10 3 t(c For the circuit in Fig 1(c C 1 =10 nF R 1 =5 k Ω R 2 =2 k Ω R 3

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ELEN 325 HOMEWORK #1 ( Due date: Monday September 11, 2006, 4:10pm) 1. Find the AC transfer function ( T ( s ) = v o ( s ) /v s ( s )) for the following circuits. (a) +5V v s v o R 1 C 1 C 2 R 3 R 2 R 4 (b) v i R 1 R 2 C 1 G m v i v s C 2 R 3 R 4 v o (c) +3V R 3 R 4 v o R 2 C 1 v s R 1 -3V 2. Sketch the magnitude Bode plot for T ( ) and ﬁnd V o ( t ) for the following cases. (a) For the circuit in Fig. 1(a), R 1 = 1 k Ω, C 1 = 1 μF , R 2 = 3 k Ω, R 3 = 2 k Ω, R 4 = 2 k Ω, C 2 = 1 nF , v s ( t ) = 2 sin(2 π 10 5 t ). (b) For the circuit in Fig. 1(b), R 1 = 2 k Ω, C 1 = 100 nF , R 2 = 6 k Ω, G m = 80
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Unformatted text preview: mA/V , C 2 = 10 pF , R 3 = 1 k Ω, R 4 = 1 k Ω, v s ( t ) = 0 . 01 sin(2 π 10 3 t ). (c) For the circuit in Fig. 1(c), C 1 =10 nF , R 1 =5 k Ω, R 2 =2 k Ω, R 3 =4 k Ω, R 4 =1 k Ω, v s ( t )=sin(2 π 10 4 t ). 3. Verify the results in (2) using PSPICE. Provide schematics, AC and transient simulation plots....
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## This note was uploaded on 10/27/2008 for the course ECEN 325 taught by Professor Silva during the Spring '08 term at Texas A&M.

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