Pulse is specified by pulse height or the peak voltage, the pulse duration and pulse to pulse spacing. In pulse amplitude modulation (PAM) what changes with base band signal is pulse height or the peak voltage
130) Pulse is specified by pulse height or the peak voltage, the pulse duration and pulse to pulse spacing. In pulse amplitude modulation (PAM) what changes with base band signal is
Answer is:
pulse height or the peak voltage
Explanation:
Related Electronic Devices and Communication MCQ with Answers
Answer is:
3 discrete values
Explanation:
A special case of amplitude modulation is where the baseband signal is a pure sine wave. If??c?is the carrier frequency and??<m the base band signal, the spectrum of the modulated signal contains 3 discrete values
Answer is:
?c,??c?+??m?,??c?-?m
Explanation:
A special case of amplitude modulation is where the baseband signal is a pure sine wave. If??c?is the carrier frequency and??m the base band signal, the spectrum of the modulated signal contains the values ?c,??c?+??m?,??c?-?m
Answer is:
AM/AC
Explanation:
If AC and AM are the amplitudes of the carrier and baseband signals then modulation index in amplitude modulation is AM/AC
Answer is:
small
Explanation:
To reduce the distortion in amplitude modulation, modulation index is kept small