Electronics - Operational Amplifiers - Discussion

1. 

A PLL can be used as a(n) ___________.

[A]. series voltage regulator
[B]. frequency multiplier
[C]. relaxation oscillator
[D]. Schmitt trigger

Answer: Option B

Explanation:

No answer description available for this question.

Soni said: (Sep 12, 2015)  
PLL is a electronic component. Its output voltage is proportional phase difference f (input) and f (output), its used @fsk fm modulate frequency key shift.

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