Problems IV
- Range of carrier frequencies for commercial FM broadcasting?
- They are subcarriers that are arranged so that the channels occupying adjacent frequency bands with some frequency space between them is known as _____?
- The amplitude of a train of constant width pulses is varied in proposition to the sample values of the modulating signal?
- Determine the bandwidth of an AM transmitter if the carrier frequency is 1000 KHz and the modulating frequency varies from 1 KHz to 10 KHz?
- The information of an AM signal resides in the _____?
- The transmission and reception of information is called _____?
- The process of varying some characteristic of a high frequency sine wave in accordance with the variation of the modulating signal is called _____?
- A 10 MHz carrier is amplitude modulated by a 100 KHz signal. What frequency components are present in the output wave?
- Any unwanted form of energy interfering the reception of wanted signal is called _____?
- The instantaneous frequency of the carrier signal is switched between two (or more) values in response to PCM code?
- Digital signals ______?
- If you are going to receive a message, for example FRIDAY, you could guess that the letter after FRIDA was Y because spoken kanguage is _____?
- When are bits per second and bands equivalent?
- If the maximum signaling speed on a certain DC cable is 2000 bps, and we are presently passing data at 600 bps, what effect would doubling the cable length have an out ability to communicate?
- Spacing bias distortion results in _____?
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