Continuous phase modulation techniques advantages and disadvantages
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Benefits or advantages of PAM
Following are the benefits or advantages of PAM:
➨In PAM, amplitudes of regularly spaced pulses are varied in proportion to corresponding sample values of continuous message signal. Hence system is lowest in complexity to implement. Hence generation and detection is easy.
Drawbacks or disadvantages of PAM
Following are the disadvantages of PAM:
➨Noise interference is higher.
➨It is difficult to remove noise, as this will affect amplitude part which carries information.
➨It has lowest power efficiency among all three types.
➨Instantaneous power of transmitter varies.
➨Transmission bandwidth is too large
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