EL ENG 40 Midterm: ee40-fa2010-mt1-Boser-exam
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October 11, 2010 mt1 v624 http://ucbfeedback. com: calculate the value of current ix. Parameter i1 = ma, v2 = v, v3 = v, r1 = k , r2 = k , R3 = k and r4 = k . ix = October 11, 2010 mt1 v624 http://ucbfeedback. com: find the value of the voltage vx. Parameter i1 = ma, i2 = ma, v3 = v, r1 = k , r2 = k , R3 = k , r4 = k , r5 = k and r6 = k . vx = October 11, 2010 mt1 v624 http://ucbfeedback. com: opamp circuits with high closed-loop gain require large resistor ratios. On integrated circuits these take up signi cant area and are therefore costly. The circuit below uses a so-called t-network to reduce the required resistor ratio. Calculate the value of resistor r3 such that vo/vi = Use r1 = k , r2 = r4 = k and r5 = k .
