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Entries found for search: PAM

PAM : Pulse Amplitude Modulation. The first stage in digital sampling, in which pulses of fixed- width have their amplitude modulated by an analog signal, i.e., the height of the pulse is determined by the amplitude of the signal. It is followed by an encoding stage known as PCM.

opamp : Operational amplifier. A differential amplifier with extremely high input impedance and high gain. Its characteristics can be tailored to various amplification tasks by the application of proper feedback to produce various effects, but is characterized by a low, ground-referenced output impedance.



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