hw4_midterm_1_2001

hw4_midterm_1_2001 - ECE 164 Analog Integrated Circuit...

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ECE 164 Analog Integrated Circuit Design First Midterm Exam, October 23, 2001 2 All of the problems relate to the following amplifier circuit. This type of circuit is often used in situations where it is necessary to amplify the difference between an input signal and a constant “reference” voltage, V REF . V i M 2 M 3 V o M 1 M 4 V G2 V REF V G4 In solving the problems, you may assume that (i) 13 ds ds rr == , (ii) all transistors are in saturation, (iii) the voltages, V G2 , V REF , and V G4 , are held constant by circuitry not shown in the figure (i.e.,
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