In QAM, both ________ of a carrier frequency are varied.

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In QAM, both ________ of a carrier frequency are varied.

1.frequency and amplitude

2. phase and frequency

3.amplitude and phase

4.none of the above

Posted Date:-2022-06-17 09:18:03

More MCQS Questions and answers

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  10. ____ finds the value of the signal amplitude for each sample; ____ finds the change from the previous sample.
  11. _____ provides redundancy to ensure synchronization and inherent error detection.
  12. _____ substitutes eight consecutive zeros with 000VB0VB. a.
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  14. ______ substitutes four consecutive zeros with 000V or B00V.
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  16. ________ is the process of converting digital data to a digital signal.
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  27. In _______ transmission, a start bit and a stop bit frame a character byte.
  28. In _________ transmission, we send bits one after another without start or stop bits or gaps. It is the responsibility of the receiver to group the bits.
  29. In ___________ there is always a transition at the middle of the bit, but the bit values are determined at the beginning of the bit. If the next bit is 0, there is a transition; if the next bit is 1, there is none.
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