What happens when VCO output is 90o out of phase with respect to input – McqOptions

MCQOPTIONS

1.	What happens when VCO output is 90^o out of phase with respect to input signal?
A.	Perfect lock
B.	Attenuation
C.	Shift in phase of comparator
D.	Error signal is removed
Answer» B. Attenuation

Discussion

No Comment Found

Related MCQs

WHICH_AMONG_THE_FOLLOWING_HAS_BETTER_CAPTURE_TRACKING_&_LOCKING_CHARACTERISTICS??$
The maximum dc output voltage in digital phase detector occurs
When does a digital phase detector can be used, where f<sub>o</sub>->output frequency, f<sub>s</sub>->input frequency.
If the average error voltage & the phase shift are given as 6.2v & ‚âà√¨‚àö√ë/4.Determine the phase angle to voltage transfer coefficient of full wave switching phase detector.$
How to overcome the problem associated with switch type phase detective?
Find the error voltage of phase comparator whose input signal is V<sub>s</sub>= V<sub>s</sub>sin(2‚âà√¨‚àö√ëf<sub>s</sub>t) and the output signal V<sub>o</sub>= V<sub>o</sub>sin(2‚âà√¨‚àö√ëf<sub>o</sub>t+‚âà√¨‚àö√∫).$
What happens when VCO output is 90<sup>o</sup> out of phase with respect to input signal?
Analog phase detector is often referred as