(a) Prove that balanced modulator produces output of sidebands only.…
Previous year question for Exam.
Question
(a) Prove that balanced modulator produces output of sidebands only. (10)
(b) An AM transmitter radiates 9KW power when carrier is unmodulated and 10.125 when sinusoidally modulated. Find the modulation index. If modulated with another sinewave to depth of 40 percent, calculate the transmitted power and effective modulation index. (10)
- Year: 2018