Advantages and disadvantages of pulse amplitude modulation

PAM stands for pulse amplitude modulation in which amplitude of the pulse is proportional to the amplitude of the modulating signal. So here this article gives the information about the advantages and disadvantages of pulse amplitude modulation to know more details about it.

Advantages of pulse amplitude modulation :
  • Generation and detection is easy
  • This modulation is the base for all digital modulation techniques 
  • It is a simple process for both modulation and demodulation techniques
  • PAM can generate other pulse modulation signals and can carry the message or information at the same time
  • No complex circuity is required for both transmission and reception. 
  • Transmitter and receiver circuitry is simple and easy to construct
Disadvantages of pulse amplitude modulation :
  • Added noise cannot be removed easily  as it has an impact on amplitude which carries information
  • Noise will be great
  • It is difficult to remove noise, as this amplitude part which carries information
  • Noise interference is higher
  • Nyquist criteria have high bandwidth required
  • Transmission bandwidth is too large
  • Power required for transmission is more
  • Instantaneous power of transmitter varies

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