The phase detector circuit in the phase-locked loop demodulators recog – McqOptions

MCQOPTIONS

1.	The phase detector circuit in the phase-locked loop demodulators recognizes
A.	voltage changes between the input and VCO signals
B.	frequency changes between the input and VCO signals
C.	impedance changes between the input and VCO signals
D.	resistance changes between the input and VCO signals
Answer» C. impedance changes between the input and VCO signals

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