1. Use a VCO with frequency sensitivity 2 KHz/mV and quiescent frequency 198 KHz to generate an FM signal s(t) = 10 cos(400πt + p(t)), where the unit of time is milliseconds, and the phase (t) is as sketched in the following figure. Derive and sketch the input to the VCO. op(t) 6л 3 3π 1 t (ms) 2 4 5 6 7 8

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1. Use a VCO with frequency sensitivity 2 KHz/mV and quiescent frequency 198 KHz to
generate an FM signal s(t) = 10 cos(400лt + (t)), where the unit of time is
milliseconds, and the phase (p(t) is as sketched in the following figure. Derive and
sketch the input to the VCO.
(t)
6л
3
-3
1
2
4
5
6
7
8
00
t (ms)
Transcribed Image Text:1. Use a VCO with frequency sensitivity 2 KHz/mV and quiescent frequency 198 KHz to generate an FM signal s(t) = 10 cos(400лt + (t)), where the unit of time is milliseconds, and the phase (p(t) is as sketched in the following figure. Derive and sketch the input to the VCO. (t) 6л 3 -3 1 2 4 5 6 7 8 00 t (ms)
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