F.M., A.M. and S.S.B. transmitters

Explanation of question 17

Fig. 18.4 is a block diagram of an SSB transmitter. X and Y represent respectively the

  1. balanced modulator and filter
  2. buffer amplifier and filter
  3. balanced modulator and buffer amplifier
  4. buffer amplifier and balanced modulator

The answer is :- 1 X is the balanced modulator which suppresses the carrier. The output is fed to Y, a filter, which removes one of the sidebands.

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