How can you use a varactor diode in the generation of FM wave? Explain in detail.

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written 7.8 years ago by

teamques10 ★ 65k

• modified 7.8 years ago

Mumbai University > Electronics Engineering > Sem4 > Fundamentals of Communication Engineering

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Year: May2014

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written 7.8 years ago by

teamques10 ★ 65k

Varactor diode modulator is the direct method of FM generation wherein the carrier frequency is directly varied by the modulating signal.
A varactor diode is a semiconductor diode whose junction capacitance varies linearly with applied voltage when the diode is reverse biased.
Varactor diodes are used along with reactance modulator …

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