3- Combined Resonant Circuits The combined circuit is mixing of serial and parallel component, for this circuit a , the parameters of quality factor Q, bandwidth (B.W or ẞ), voltages and find serial or parallel equivalent of the combined circuit resonance, currents 11. 3-1 Serial to Parallel Conversion We could convert the serial branch to parallel and determine the Q as shown below. R-L circuit RP= Rs (1+Qs²) L=Ls ((1+Qs²)/Qs²). Where ②= (000 Ls)/Rs o Wols Rs Rs Rp R-C circuit Rp = Rs (1+Qs²) Where C=Cs (Qs²/(1+Qs²)) Qs=1 / wo Cs Rs Rs Rp Cs For the network in the figure below: a). Find fp b). Calculate the magnitude of Veat resonance. c). Determine the power absorbed at resonance. d). Find BW E=200 V + R₁ ww 40 ΚΩ R₁ + C Vc L 200 mH 10.01 με Q₁ = 20