PULSE MODULATION Techniques (PAM, PWM, PPM, PCM)

Pulse modulation techniques (PAM, PWM, PPM, PCM)

The basic difference between continuous wave Modulation and Pulse modulation is : In continuous wave modulation (amplitude modulation, frequency modulation, phase modulation) the carrier wave used is continuous in nature, while in case of pulse modulation, the carrier wave is in the form of pulses.
Pulse modulation can be categorized broadly into two forms-

#Analog
#Digital
The analog modulation is of two types-

#Pulse Amplitude Modulation (PAM)
#Pulse Time Modulation (PTM)
The Pulse Time Modulation (PTM) again can be categorized into two types of modulation-

#Pulse Width Modulation (PWM) or Pulse Duration Modulation (PDM)
#Pulse Position Modulation (PPM)
Pulse Code Modulation (PCM) is a digital pulse modulation technique.





Pulse Amplitude Modulation (PAM) Fundamentals

This lecture explains- Basics of Pulse Amplitude Modulation (PAM) and PAM waveform



Pulse Width Modulation (PWM)/Pulse Duration Modulation (PDM)

This video lecture describes the concept of Pulse Width Modulation (PWM), which is also known as Pulse Duration Modulation (PDM). Waveform of Pulse Width Modulation is also discussed here.



Pulse Position Modulation (PPM)

This lecture explains- Pulse Position Modulation (PPM) theory and waveforms.



Difference between PAM, PWM and PPM modulation techniques

This video compares PAM, PWM and PPM on the basis of many parameters like:-
#Definition of PAM, PWM and PPM
#Waveforms
#Variable Parameter
#Bandwidth
#Power
#Noise interference
#Similarity with Continuous Wave modulation
#Synchronization between transmitter and receiver etc.




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