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Recent questions tagged frequency-modulation
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GATE ECE 2020 | Question: 47
$S_{PM}(t)$ and $S_{FM}(t)$ as defined below, are the phase modulated and the frequency modlated waveforms, respectively, corresponding to the message signal $m(t)$ ... $S_{PM}(t)$ and $S_{FM}(t)$ are same, then the value of the ratio $\dfrac{K_{p}}{K_{f}}$ is ________ seconds.
go_editor
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Communications
Feb 13, 2020
by
go_editor
1.9k
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50
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gate2020-ec
numerical-answers
communications
frequency-modulation
0
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0
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2
GATE ECE 2014 Set 3 | Question: 23
Consider an $FM$ signal $f(t)= \cos\left [ 2\pi f_{c} t+\beta _{1}\sin2\pi f_{1}t+\beta _{2}\sin2\pi f_{2}t\right ].$ The maximum deviation of the instantaneous frequency from the carrier frequency $f_{c}$ is $\beta _{1}f_{1}+\beta _{2}f_{2}$ $\beta _{1}f_{2}+\beta _{2}f_{1}$ $\beta _{1}+\beta _{2}$ $f _{1}+f _{2}$
Milicevic3306
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in
Communications
Mar 26, 2018
by
Milicevic3306
15.8k
points
59
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gate2014-ec-3
digital-communications
frequency-modulation
communications
0
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0
answers
3
GATE ECE 2012 | Question: 39
The signal $m(t)$ as shown is applied both to a phase modulator (with $k_p$ as the phase constant) and a frequency modulator (with $k_f$ as the frequency constant) having the same carrier frequency. The ratio $\frac{k_p}{k_f}$ (in $rad/Hz$) for the same maximum phase deviation is $8\pi$ $4\pi$ $2\pi$ $\pi$
Milicevic3306
asked
in
Communications
Mar 25, 2018
by
Milicevic3306
15.8k
points
80
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gate2012-ec
communications
frequency-modulation
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