Pulse time modulation (PTM) includes

Q.  Pulse time modulation (PTM) includes
- Published on 16 Oct 15

a. Pulse width modulation
b. Pulse position modulation
c. Pulse amplitude modulation
d. Both a and b

ANSWER: Both a and b
 
In pulse modulation systems, the carrier is a train of pulses rather than a continuous signal. The parameters of the pulses are varied according to the instantaneous value of the modulating signal. The carrier is a train of pulses rather than a continuous signal. In PTM, the timing of the pulses of the carrier is varied in accordance with modulating signal. PTM includes:
- Pulse width modulation
- Pulse position modulation

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