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An oscillator and a capacitance coupled amplifier are present in a carrier amplifier.(a) True(b) FalseI had been asked this question in an international level competition.Question is from Single Channel Telemetry System in chapter Biomedical Telemetry of Biomedical Instrumentation

Answer» RIGHT choice is (a) True

The best I can explain: It is True. The transducers, which require ac excitation, are those whose IMPEDANCE is not PURELY RESISTIVE. The carrier amplifier consists of an oscillator and a capacitance coupled amplifier. The oscillator is USED to energize the transducer with an alternating carrier voltage.


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