Q. If input to DSB-SC modulator for phase modulated wave generation is passed through series RC low pass filter circuit, the resultant wave is

A
Phase modulated wave
B
Frequency modulated wave
C
A or B
D
None of the above.
Solution:

If input to DSB-SC modulator for phase modulated wave generation is passed through series RC low pass filter circuit, the resultant wave is FM wave. Series RC low pass filter circuit is an integrator.

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