Question

Which of the following system is analog modulation system?
a)PCM
b)differential PCM
c)Delta
dPWM

Answer 1

Out of all given options, Pulse width modulation (PWM) is an analog modulation system.

Option (d)

Explanation:

• PWM process is to generate output signals of low frequency from input pulses of high frequency.

• The process which is used in various communication systems to encode the signal amplitude of another signal, basically an input signal, by pulse width or duration.

• PWM signals are mainly used to manage DC motors, as well as to manage hydraulics, valves, pumps, and for some mechanical equipment.

• It works on pulsing DC currents and varying its ‘on’ time to manage current flow in a device.

• In general, analog modulation is the transmission of a low-frequency signal like audio, television signal) over a higher one.

Learn more about analog

The nonlinear relation between the analog and digital frequencies is called

https://brainly.in/question/9462866

How are digital, analog and hybrid computers different from one another?

https://brainly.in/question/4014328