Frequency - Linear Integrated Circuits - Solved Exam, Exams of Electrical Circuit Analysis

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Prob. Score TA iv) EECS140 ‘1B (20 Fall 2009 é 70 Midterm 2; } \ pop - y 2 7s Name} \ a 3 BS Total | sID For this test, assume the standard ee140 device process parameters unless otherwise indicated. 1_) In some non-standard process you have a two-stage CMOS op-amp with the following specs: * Ro 100k, Gm=lms, C\=100f © Roo* 10k, Gm2=10mS, C)=I pF ‘You want to use the amplifier in unity gain feedback. 1A) If the compensation capacitor Cc is zero, what is the frequency of the first and second poles? What is the unity gain frequency? What is the phase margin? LOO fa GC, k. 2 1OP aa Dany Oey vo / , om "aml . . ODM Matt. Fanboy 8120 (OG wel fred. PM oe t.