Delta Modulation

Delta Modulation(DM): Delta modulation(DM) is process of modulation in which train of fixed width pulses is transmitted. Their polarity indicates whether the demodulator output should rise or fall at each…

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Pulse Amplitude Modulation

Pulse Amplitude Modulation(PAM): Pulse Amplitude Modulation(PAM) is the simplest form of Pulse Modulation. It is shown in Fig. 18.7. PAM is a pulse modulation system in which the signal is…

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Digital Memory Waveform Recorder (DWR)

Digital Memory Waveform Recorder (DWR): The Digital Memory Waveform Recorder (DWR) shown in Fig. 12.18, provides capability which is difficult to achieve by other methods. The block diagram (Fig. 12.18)…

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