ISRO Electronics & Communication (ECE) 2012 - Question 19

All ISRO Electronics & Communication (ECE) papers | ISRO Electronics & Communication (ECE) 2012

Topic: Communication Systems

The effect of phase error of local oscillator on spectral components in coherent detection of SSB Amplitude modulated signal is

  • A. The frequency of demodulated signals varies with fixed amplitude
  • B. Amplitude of demodulated signals varies with fixed frequency
  • C. Both amplitude and frequency vary
  • D. The recovered signal has phase offset with fixed amplitude

Answer: A. The frequency of demodulated signals varies with fixed amplitude

Explanation: Detailed explanation not provided in the source.

| | All questions of ISRO Electronics & Communication (ECE) 2012