Computer · Communication Systems
The frequency spectrum of a Narrow Band Frequency Modulation (NBFM) signal closely resembles that of an Amplitude Modulated (AM) signal except for which condition?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The carrier component is completely absent as in a discrete PCM signal.
- 2It exhibits continuous shifts resembling Frequency Shift Keying (FSK).
- 3The lower sideband component has a phase shift of 180 degrees compared to the standard AM signal.✓
- 4The single sideband is suppressed entirely.
Correct answer
The lower sideband component has a phase shift of 180 degrees compared to the standard AM signal.
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