# hw7 - ELEN 325 HOMEWORK#7(Due date Monday 1 For the...

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ELEN 325 HOMEWORK #7 ( Due date: Monday November 20, 2006) 1. For the circuits below, k n = 100 μA/V 2 , k p = 50 μA/V 2 , V tn = | V tp | = 1 V . Find the drain currents and verify operating regions for all transistors. (a) (b) (c) (d) 10k +3 3/1 3k +5 10/1 15/1 5/1 +5 20k 30k 24k 40k 30k 30k 20/1 +4 15k 20k 2. In the circuit below, V G 1 and V G 2 are DC bias voltages, k n = 100 μA/V 2 , k p = 50 μA/V 2 , V tn = | V tp | = 1 V . Assume that all transistors are in the active region. Find the drain currents for all transistors. 50/1 30/1 M 1 M 2 M 3 M 4 M 5 M 6 M 7 M 8 M 9 M 10 M 12 M 11 V G1 V G2 3k -5 +5 30/1 40/1 10/1 25/1 25/1 40/1 30/1 15/1 5/1 10/1 3. In the following circuit, k n = 80 μA/V
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