For the ideal op-amp circuit shown below, output voltage is |Vo = 1V for a certain set ofw, R and C. the Vo| will be 2V if R, V;=sinwt Ov. ww (a) w is doubled (b) w is halved (c) R is doubled (d) none of these

2 Figure 3 shows an operational amplifier circuit with two current sources to model its bias currents. The op-amp can be considered as ideal. ) !-10µA Vi* Rx Vo R2 I=10µA R1 Figure 3 (D) Determine the output voltage of the amplifier for Vi=0.1V, Rx=00.

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The circuit below, you may note, does not match any of the common op-amp circuits. By performing circuit analysis, determine the voltage across the load resistor R5. You may assume that V1 = 3.6 V, V2 = 4.7 V, R1 = 37 kQ, R2 = 62 KQ, R3 = 77 kQ, R4 = 71 kQ, and R5 = 90 kQ. R1 ww V1 + R2 V2 R3 R4 R5 mm D

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