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# Solution: An AM carrier wave of frequency f = 1 MHz with pack voltage of 20 V

#### Problem Statement: Principles of Communications

Modulation Problem Solving

An AM carrier wave of frequency f = 1 MHz with pack voltage of 20 V used to modulated a signal of frequency 1 kHz with pack voltage of 10 V. Determine

a. Modulation index (ฮผ)

b. Frequencies of modulated wave?

c. Bandwidth

#### Problem Answer:

The modulation index is equal to 0.5. The lower frequency is equal to 999 kHz while the upper frequency is equal to 1001 kHz. The bandwidth is equal to 2 kHz.

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