Electronic Devices - Communications
Exercise : Communications - True or False
- Communications - General Questions
- Communications - True or False
1.
The purpose of the balanced modulator is to remove the carrier frequency.
2.
The mixer takes the RF signal along with the audio signal to produce the IF signal.
3.
The IF of an FM receiver operates at a center frequency of 455 kHz.
4.
A balanced modulator is used in standard AM to obtain the sum and difference frequencies.
5.
The demodulator recovers the audio signal from the IF output.
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