From the following options which is not a part of process of A.M. (Amplitude modulation) ?
A
Audio Amplifier
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B
R F Power Amplifier
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C
Buffer Amplifier
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D
Radio Frequency Modulator
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Solution
The correct option is C Buffer Amplifier A buffer amplifier is one that provide electrical impedance transformation from one circuit to another , with the aim of preventing the signal source from being affected by whatever currents that the load may produce.