Oscillator and its functions

Thursday, April 15, 2010 7:57 AM Posted by COME LETS PLAY
An oscillator is an electronic circuit that converts unidirectional current drawn from d.c sources into alternating current of desired frequency. The function of an oscillator is reverse of that of a rectifier and therefore, sometimes called inverter.
Classification of oscillator
Sinusoidal oscillator: which produce sinusoidal voltages and is used in TV, Rader, and oscilloscope.
Feed back oscillator, negative resistance oscillator,
And based on frequency generated: A.F oscillator, U.H.F oscillator, R.F oscillator, Micro wave oscillator.


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