Two OPAMPcircuits are shown in Figure P4–25. Both claim to produce a gain of either 100.

(a) Show that the claim is true.

(b) A practical source with a series resistor of 1 kV is connected to the input of each circuit. Does the original claim still hold? If it does not, explain why?

Transcribed Image Text:

+ 1 www Vs VIN + + Circuit 1 Source 100 w VIN 1 ww + www Vo + 99 Vo + + Circuit 2 FIGURE P4-25 1