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electronics · analog · signal processing

Second-Order Butterworth Low-Pass Filter

Tipo Schema elettricoStandard IEEE Std 315 / ANSI Y32.2Motore schematex-circuitAggiornato 19/09/2026
Second-Order Butterworth Low-Pass Filter
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Lo scenario

Designing a maximally flat two-pole low-pass filter for audio or sensor signal conditioning.

Cosa contiene questo disegno

Leggi le decisioni che ne stanno alla base.

01

Use equal source and load termination (1kΩ) for Butterworth response

02

Choose L=22.5mH and C=22.5nF for 10 kHz cutoff

When a simple, passive second-order low-pass filter is acceptable and no gain is required.

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