In a double tuned circuit, consisting of two magnetically coupled, identical high Q tuned circuits, at the resonance frequency of either circuit, the amplitude response has
Since quaiity factor and Q is high therefore, the resonant frequency ω_{0} will be high. Hence, the amplitude response will have a peak always
A network function contains only poles whose realparts are zero or negative. The network is
Poles are at can be zero or negative). The system will be stable if the poles at jωaxis are simple.
The minimum amount of hardware required to make a high pass filter is
Figure above shows a highpass filter having a transfer function,
The Qfactor of a series RLC circuit having R = 10 Ω , L = 0.01 H and C = 100 μF is
Also, bandwidth
∴ Quantity factor
The input frequency of the given circuit for unity power factor operation is
Input impedance,
or
For unity p.f. operation, Img(Z_{in}) = 0
When X_{L} is equal to X_{c} , then
If the quality factor of a series resonant circuit is increased then, its selectivity will
Q∝ selectivity
The steady state transfer function H(Jω) of the network shown below is
Transfer function,
The transfer function of the circuit shown below is
The figure of merit for a capacitor in parallel with a resistance R is given by
Figure of merit = Qfactor
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