Analog Communications Practice Test 4

1. To prevent over modulation in radio transmitters we use ___________

2. In amplitude modulation, magnitude of side bands is ________ times the carrier amplitude.

3. Which device is has more chance to be found in SSB transmitter?

4. In Phase Modulation the phase of carrier signal is varied.

5. Circular polarization is used in discrimination between reception of adjacent beams.

6. The output stage in a television transmitter is likely to be ________

7. Which polarization is used to reduce the depolarization effect on received waves?

8. The RF section of radio consists both oscillator and buffer stage.

9. Linear devices are used in __________

10. Advantage of high level modulator is that it requires linear amplifiers.