Question: Twenty –one data channels, with subcarrier center frequencies ranging from 400Hz to 165 kHz have been designed for telemetry use. All have a frequency deviation of ± 7.5%. if the index of modulation is 5, the intelligence bandwidth of channel 1 for a center frequency of 3000 Hz is____________Assume the frequency multiplexing has been used.
Answer:
MCQ: Twenty –one data channels, with subcarrier center frequencies ranging from 400Hz to 165 kHz have been designed for telemetry use. All have a frequency deviation of ± 7.5%. if the index of modulation is 5, the intelligence bandwidth of channel 1 for a center frequency of 3000 Hz is____________Assume the frequency multiplexing has been used.
Correct Answer:
A. 6 Hz
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Related Questions
- 1. In frequency multiplexing systems, if the subcarrier frequency deviations are proportional to the center frequency , the scheme is referred to having:
- 2. Time division multiplexing requires
- 3. Time division multiplexing is used when
- 4. Modem is an acronym of
- 5. If an information is required to be stored over a short interval of time
- 6. The machine interpretable outputs from an analog transducer can had from
- 7. Digital instruments have input impedance of the order of
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