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In a feedback oscillator,...

In a feedback oscillator,

A

effective amplification of the amplifier used in this oscillator is infinity

B

the output ac singnal frequency is only determined by the feedback ration

C

the output ac signal frequency is controlled by a tank circuit in the feedback device

D

the output ac singnal is obtained without any externally applied input

Text Solution

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The correct Answer is:
A, C, D
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