When the output swing of a zero-crossing detector is too large for some applications,back-to-back zener diodes are used to
A) filter the output.
B) clamp the output to a dc level.
C) bound the output.
D) rectify the output.

Question

Quizplus · Accepted Answer

Back-to-back Zener diodes are used to bound the output voltage of a circuit, such as a zero-crossing detector, to ensure that the voltage does not exceed a certain level in either direction. This is useful in protecting sensitive components or ensuring compatibility with other parts of a system that cannot handle high voltages.

When the Output Swing of a Zero-Crossing Detector Is Too