Multiple Choice
In an FM stereo receiver, why is there a frequency doubler stage in the stereo demodulation section?
A) It doubles the frequency of the L+R audio signals
B) It is part of the FM discriminator stage
C) It doubles the 19 kHz pilot carrier so that the AM detector will work properly
D) It is required in the de-emphasis network
Correct Answer:
Verified
Correct Answer:
Verified
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