HW6Solutions - Homework 6 Solutions 1. a. 1 = 1k" #...

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Homework 6 Solutions 1. a. R out = 1 g m 1 = 1 k "# g m 1 = 1 mS = 2 μ n C ox W L I D W L " # $ % 1 = g m 1 2 2 n C ox I D = 1 m 2 2 ( 50 ( 100 = 100 b. I 2 I 1 = W L ( ) 2 W L ( ) 1 " W L ( ) 2 = I 2 W L ( ) 1 I 1 = 300 # 100 100 = 300 c. r o = 1 " I D = 1 0.03 # 300 = 111.1 k $ 2. a. W L " # $ % 1 = I out 1 W L ( ) R I ref = 40 ( 10 2 ( ) 100 = 4 2 ( ) = 2 b. W L " # $ % 2 = I out 4 W L ( ) R I ref = 100 ( 10 2 ( ) 100 = 10 2 ( ) c. W L " # $ % 3 = I out 3 W L ( ) 4 I out 1 = 250 ( 10 2 ( ) 40 = 31.25 3a.
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b. To make V o = 0V, let I D 1 = I BIAS , so I D 1 = μ n C ox W L 2 V SG " V Tp ( ) 2 # V SG = 2 $ I D 1 n C ox W L + V Tp = 2 $ 100 25 $ 20 3 + 0.7 = 1.8 V V BIAS = V DD " V SG = 2.5 " 1.8 = 0.7
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This homework help was uploaded on 04/01/2008 for the course EECS 105 taught by Professor Mingwu during the Spring '06 term at University of California, Berkeley.

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HW6Solutions - Homework 6 Solutions 1. a. 1 = 1k" #...

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