Question
Download Solution PDFWhich of the following are Pulse Time Modulation (PTM) techniques?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct option is 4
Explanation:
Pulse Time Modulation (PTM) refers to modulation techniques where time-related parameters of pulses are varied based on the modulating signal.
PTM Techniques Include:
-
PWM (Pulse Width Modulation) – Pulse width changes with the signal.
-
PPM (Pulse Position Modulation) – Pulse position changes with signal.
Incorrect Options:
| Option | Includes | Why Incorrect |
|---|---|---|
| 1) PAM and PCM | Pulse Amplitude Modulation, Pulse Code Modulation | PAM is amplitude-based, PCM is digital, not PTM |
| 2) PDM and PCM | Pulse Density/Delta Modulation, PCM | Neither are time-based |
| 3) PPM and PAM | One is PTM (PPM), PAM is not | Partially correct, but not fully PTM |
Last updated on Jun 7, 2025
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