OKAWA Electric Design

(Sample)RLC Band-Stop Filter Design Tool - Result -

Calculated the transfer function for the RLC band-stop filter, displayed on graphs, showing Bode diagram, Nyquist diagram, Impulse response and Step response.

RLC Filter

Vin(s)→ →Vout(s)
(Sample)Transfer Function:
G(s)= s2+6.44745325596E+12

R = 1.2Ω
C = 0.47uF
L = 0.33uH

Center rejection frequency

f0 = 404123.618269[Hz]

Quality factor

Q = 0.698275484664

Damping ratio

ζ = 0.716049769728


p = -289372.623803 +282098.180491i[Hz]
  |p|= 404123.618269[Hz]
p = -289372.623803-282098.180491i[Hz]
  |p|= 404123.618269[Hz]


z = 0 +404123.618269i[Hz]
  |z|= 404123.618269[Hz]
z = 0-404123.618269i[Hz]
  |z|= 404123.618269[Hz]

Phase margin

pm= NAN[deg] (f =0[Hz])

Oscillation frequency

f = 282098.180491[Hz]

Overshoot (in absolute value)

The 1st peak  gpk = 0.35 (t =4.3E-07[sec])
The 2nd peak  gpk = 1.03 (t =2.2E-06[sec])
The 3rd peak  gpk = 1 (t =4E-06[sec])

Final value of the step response (on the condition that the system converged when t goes to infinity)

g(∞) = 1

Q factor | Damping ratio ζ

Quality factor Q =
Damping ratio ζ =
f0= Hz
L = H C = F
Give two values from three parameters of f0 ,L, C.

Select Capacitor Sequence:
Select Resistor Sequence:
Select Inductance Sequence:

Frequency analysis

Bode diagram
    Phase  Group delay
Nyquist diagram
Pole, zero
Phase margin
Oscillation analysis
Analysis on frequency range:
  f1=∼f2=[Hz] (optional)

Transient analysis

Step response
Impulse response
Final value of the step response
Analysis on time range:
  0∼[sec] (optional)

Frequency analysis

Transient analysis