Home > Physics > Modulation And Demodulation

Modulation And Demodulation - Questions and Answers

Practice questions on Modulation And Demodulation.

Ready to test your skills?

Take a timed mock test specifically for Modulation And Demodulation.

Start Mock Test
16. RF amplification is used to amplify the waves
A. before detection
B. after detection
C. after modulation
D. after AF amplification
Explanation:
17. The process of mixing AF signal and RF waves is known as
A. modulation
B. demodulation
C. oscillation
D. amplification
Explanation:
18. A super-hetrodyne receiver selects a radio wave of frequency 850 kHz. Then the frequency of the local oscillator will be
A. 1305 kHz
B. 455 kHz
C. 850 kHz
D. 445 kHz
Explanation:
« Prev1234Next »