From 60 Hz wave input, what is required for reliable clock signal?
A) Schmitt- Trigger, and then a MOD 60 counter
B) MOD 60 counter
C) MOD 6 counter, and then a Schmitt- Trigger
D) Schmitt- Trigger, and then a MOD 2 counter

Question

Quizplus · Accepted Answer

A Schmitt-Trigger is used to clean up the noisy signal into a stable square wave, and then a MOD 60 counter is used to divide the frequency to get a 1 Hz clock signal from a 60 Hz input.

From 60 Hz Wave Input, What Is Required for Reliable