Amplifiers » Exercise - 123. If the feedback fraction of an amplifier is 0.01, then voltage gain with negative voltage feedback is approximately ....... (a) 500 (b) 100 (c) 1000 (d) 5000
Amplifiers » Exercise - 120. The value of negative feedback fraction is always .......... (a) less than 1 (b) more than 1 (c) equal to 1 (d) none of the above
Amplifiers » Exercise - 138. The approximate voltage gain of an amplifier with negative voltage feedback (feedback fraction being mv) is ......... (a) 1/mv (b) mv (c) 1 /(1 + mv) (d) 1 - mv