a) Using the concept of feedback, explain the working principle of an Oscillator b) When negative voltage feedback is applied to an amplifier of gain 200, the overall gain falls to 1000. (i) Calculate the fraction of the output voltage fedback.
a) Using the concept of feedback, explain the working principle of an Oscillator b) When negative voltage feedback is applied to an amplifier of gain 200, the overall gain falls to 1000. (i) Calculate the fraction of the output voltage fedback.
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Transcribed Image Text:Q2.
a) Using the concept of feedback, explain the working principle of an Oscillator
b) When negative voltage feedback is applied to an amplifier of gain 200, the overall gain falls to
1000.
(i) Calculate the fraction of the output voltage fedback.
(ii) If this fraction is maintained, calculate the value of the amplifier gain required if the overall
stage gain is to be 102.
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