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What is a Oscillator? Explain basic principle of an oscillator?
written 6.7 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.6 years ago by gravatar for binitamayekar binitamayekar ★ 6.7k
principles of communication network
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written 3.6 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k

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Oscillator is an electronic ckt used to generate sinusoidal signal at the o/p without any i/p. oscillator is basically an amplifier with positive f/b.

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The fig shows block diagram of a amplifier with positive f/b. in which the overall gain with positive f/b is given as

Af = $\frac{A}{1-A\beta}$ ------ …

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