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What are the different methods of FM generation? Explain reactance modulator in detail.
written 6.0 years ago by gravatar for teamques10 teamques10 ★ 69k •   modified 6.0 years ago

Subject: Principles of Communication Engineering

Difficulty : Medium

Marks : 10
principles of communication network
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written 6.0 years ago by gravatar for teamques10 teamques10 ★ 69k •   modified 6.0 years ago

Methods of FM Generation:

  1. Direct Method

  • Reactance modulator

  • varactor diode modulator

  1. Indirect Method

  • Armstrong method

    a) Heterodyne method

    b) Multiplication method

    Reactance modulator

enter image description here

Explanation-

  • A reactance modulator is illustrated in figure. It is basically a standard commonemitter class A amplifier. Resistors R1 and R2 from a voltage divider to bias …

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