1. Describe the operation theory of FM modulation.2. Explain the implementation of FM modulator by using SN74124.3. In the LM565 frequency demodulator experiment, if the output signalpasses through the first order low-pass filter, then is the output signalflatter than the previous one? Try to design the low-pass filter.4. How to use the PLL circuit and the logic circuit to comprise a doublerfrequency circuit?

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1. Describe the operation theory of FM modulation.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Question

1. Describe the operation theory of FM modulation.
2. Explain the implementation of FM modulator by using SN74124.
3. In the LM565 frequency demodulator experiment, if the output signal
passes through the first order low-pass filter, then is the output signal
flatter than the previous one? Try to design the low-pass filter.
4. How to use the PLL circuit and the logic circuit to comprise a doubler
frequency circuit?

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