Which of the following is used to generate PDM?

A Monostable multi-vibrator
B Bistable Multivibrator
C Either monostable of free running multi-vibrator
D Astable Multivibrator

Correct Answer: Monostable multi-vibrator

Pulse density modulation (PDM) is used to represent an analog signal using a digital signal. For generating PDM, a monostable multi-vibrator is used, which is externally triggered and has only one stable state.
Bissoy MCQ
#Analog Communications #Frequency Discrimination Method

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