Parallel Combination of One-Ports
Figure Fig.7.10 shows the parallel combination of two one-ports.
![]() |
Admittances add in parallel, so the combined admittance is
, and the impedance is
![$\displaystyle R(s) = \frac{1}{\frac{1}{R_1(s)} + \frac{1}{R_2(s)}}
= \frac{R_1(s) R_2(s) }{R_1(s) + R_2(s)}
$](http://www.dsprelated.com/josimages_new/pasp/img1612.png)
![$\displaystyle R= R_1 \vert\vert R_2
$](http://www.dsprelated.com/josimages_new/pasp/img1613.png)
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