BEN-GURION UNIVERSITY OF THE NEGEV
PESC’03
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21
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Linear source
Linearization of Sources
for Angle Modulation
Frequency Modulation
FM – Nonlinear source
=Ac
Small signal
=Ac*kp*
ò
u(t)dt
Small signal
phasor
Using analogous procedure
one can get the splitting network for FM signal.
The only difference is the integration of the modulating signal.
Under the same assumptions for small signal, one can linearize the network
,
,
And use it for AC simulations with phasor source VAC.