Question

For a single side band transmission, a balanced modulator is used to

• A. increase power of carrier wave.
• B. increase amplitude of carrier wave.
• C. suppress audio signal.
• D. suppress carrier component.

Answer 1

The correct option is D suppress carrier component.

Since maximum part of the power of modulated wave is contained with the carrier wave which does not transmit any desired information, to avoid wastage of power, balanced modulator is used to suppress carrier.