Question: In _____ transmission, the frequency of the carrier signal is modulated to follow the changing voltage level (amplitude) of the modulating signal. The peak amplitude and phase of the carrier signal remain constant, but as the amplitude of the information signal changes, the frequency of the carrier changes correspondingly.
Answer:
MCQ: In _____ transmission, the frequency of the carrier signal is modulated to follow the changing voltage level (amplitude) of the modulating signal. The peak amplitude and phase of the carrier signal remain constant, but as the amplitude of the information signal changes, the frequency of the carrier changes correspondingly.
Correct Answer:
A. AM
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Related Questions
- 1. In _____ transmission, the phase of the carrier signal is modulated to follow the changing voltage level (amplitude) of the modulating signal.
- 2. In _______, the peak amplitude of one signal level is 0; the other is the same as the amplitude of the carrier frequency
- 3. How many carrier frequencies are used in BASK?
- 4. How many carrier frequencies are used in BFSK?
- 5. How many carrier frequencies are used in BPSK?
- 6. How many carrier frequencies are used in QPSK?
- 7. The constellation diagram of BASK has ______ dots
- 8. The constellation diagram of BPSK has ______ dots
- 9. In a multiplexed system, __ lines share the bandwidth of ____ link.
- 10. The word ______ refers to the portion of a _______ that carries a transmission
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