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destion 28.
What is an oscillator? With the help of a circuit
diagram, explain the working of a transistor as an
oscillator in common-emitter configuration. [1+3=4)
Answers
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Answer:
An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave. Oscillators convert direct current (DC) from a power supply to an alternating current (AC) signal.
Explanation:
Most oscillators consist of three basic parts:
An amplifier. This will usually be a voltage amplifier and may be biased in class A, B or C.
A wave shaping network. This consists of passive components such as filter circuits that are responsible for the shape and frequency of the wave produced.
A POSITIVE feedback path.
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