______________ are used with transducers which require an external source of excitation.
______________ are used with transducers which require an external source of excitation. Correct Answer carrier amplifiers
Carrier amplifiers are used with transducers which require an external source of excitation. They are characterized by high gain, negligible drift, extremely low noise and the ability to operate with resistive, inductive or capacitive type transducers. They essentially contain a carrier oscillator, a bridge balance and calibration circuit, a high gain ac amplifier, a phase-sensitive detector and a dc output amplifier.
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Feb 20, 2025