Question
Physics Question on communication systems
Buffer amplifier is used at the transmitting end to
A
feed carrier frequency to Master oscillator
B
to amplify carrier frequency
C
to mix modulating signal with carrier frequency
D
to isolate master oscillator from other stages of transmitter
Answer
to isolate master oscillator from other stages of transmitter
Explanation
Solution
Buffer amplifier isolate master oscillator from the influence of modulation done at a later stage.