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an oscillator is associated with an basic amplifier for
producing oscillations,for production of oscillations the
amplifier needs some input voltage but under the oscillation
condition the input voltage is zero,why?
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Answer Posted / mahadev pawase
I/p voltage is not practically zero.When power on feedback
circuit gives large gain AB > 1 . Originally i/p comes to
the oscillator i/p from feedback and amplifier
circuit.Firstly noise from resistor is the i/p to oscillator
circuit.
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