ex6 - MOSFET DC BIASING Sample Problems - Dr. Aydin I....

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MOSFET DC BIASING Sample Problems - Dr. Aydın ˙ I. Kar¸ sılayan For the following circuits, find the DC drain currents ( I D ) and verify operating regions of all transistors. Assume k 0 n = 100 μA/V 2 , k 0 p = 50 μA/V 2 , V tn = | V tp | = 1 V . Simulate the circuits using PSPICE and provide circuit schematics with DC bias points (V and I) annotated. Use NMOS and PMOS transistors for simulation. (a) (b) (c) M 1 L=1u W=20u R 3 10k R 4 2k R 2 40k R 1 80k +3 -3 +3 -3 2k R 4 L=1u M 1 W=16u 1k R 3 24k R 1 R 2 6k +3 +3 0 0 50k R 1 50k R 2 7.5k R 4 10k R 3 2.5k R 5 M 1 L=1u W=16u M 2 W=40u L=1u -3 +3 +3 -3 +3 -3 (d) (e) 500 R 3 32k R 2 30k R 4 20k R 5 2k R 6 M 1 W=200u L=1u M 2 W=50u
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This note was uploaded on 02/16/2009 for the course ECEN 325 taught by Professor Silva during the Fall '08 term at Texas A&M.

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