Filter Design Tool

This page is a web application that design a RLC band-pass filter. Use this utility to simulate the Transfer Function for filters at a given frequency, damping ratio ζ, Q or values of R, L and C.

Design active filters with real op amps in minutes.

Enter your filter requirements and click the "Design Now" button. For ranges beyond these limits, please contact sales.

Select a filter type to begin your design lowpass highpass bandpass bandstop allpass

This interactive RF filter design tool lets you design bandpass, highpass, and lowpass RF filters that we build to your specification.

The innovative, free FilterLab design software simplifies active filter design. This software supports designs for a variety of filters, including low-pass, high-pass, band-pass and anti-aliasing filters.