RC Band-Pass (two-stage) Filter

Design from specification

Cascaded RC high-pass × low-pass. Set the lower (high-pass) and upper (low-pass) −3 dB corners; R1, R2 are computed and rounded to the chosen E-series. Keep f₁ ≪ f₂ for a flat passband.

Lower corner f₁ [Hz]: Upper corner f₂ [Hz]: C [F] (optional): R series: C series:

Components (analyse / override)

R1 [Ω]: C1 [F]: R2 [Ω]: C2 [F]:

Results

Components: R1 = — C1 = — R2 = — C2 = —

Corners: f₁ = — Hz, f₂ = — Hz Centre f₀ = — Hz Q = — ζ = — peak gain = —

Transfer function:
H(s) = —

Equivalent block diagram

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Poles

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Phase margin

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Oscillation (ringing) frequency

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Overshoot of the step response

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Final value of the step response

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