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An oscillator and a capacitance coupled amplifier are present in a carrier amplifier.

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in Biomedical Instrumentation by (76.6k points)
An oscillator and a capacitance coupled amplifier are present in a carrier amplifier.

(a) True

(b) False

I had been asked this question in an international level competition.

Question is from Single Channel Telemetry System in chapter Biomedical Telemetry of Biomedical Instrumentation

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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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