midterm_05

midterm_05 - ECE 137 A Mid-Term Exam February 7 2005 Do not...

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ECE 137 A Mid-Term Exam February 7, 2005 Do not open exam until instructed to. Closed book: Crib sheet and 1 page personal notes permitted There are 2 problems on this exam, and your have 50 minutes. Use any and all reasonable approximations (5% accuracy is fine. ) , AFTER STATING and approximately Justifying them. Name: _______________________ Problem Points Received Points Possible 1a 5 1b 5 1c 5 1d 15 1e 15 1f 5 1g 20 2a 12 2b 13 2c 5 total 100 1 a
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Problem 1, 70 points You will be working on the circuit below: V gen R gen R g1 R SS1 R c2 R L R eac2 R ee2 C E C out V out V in Q 1 Q 2 -V dd -V dd +V ss +V ss Q1 : th V =1 Volts. = 2 mA/V, g ox sat W C v 0 = λ (P-channel enhancment mode device) Q2: β =200, =75 V +Vss=+10 volts. -Vdd= -10 volts Rgen=1 MOhm RL=500 Ohm A V Rg1=2 MOhm Reac2=50 Ohm Rss1= ??? Ree2= ??? Rc2= ??? E C and Cout are very big and have negligible AC impedance. 2 a
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Part a, 5 points DC bias. Q1 is to be biased with 3
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This note was uploaded on 08/06/2008 for the course ECE 137AB taught by Professor Rodwell during the Winter '08 term at UCSB.

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midterm_05 - ECE 137 A Mid-Term Exam February 7 2005 Do not...

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