Monthly Archives: September 2016

Cascading filters

Sometimes we’d like to cascade biquads to get a higher filter order. This calculator gives the Q values for each filter to achieve Butterworth response. Order: 234567891011121314151617181920 Q values: You can calculate coefficients for all biquad (and one-pole) filters with the … Continue reading

Posted in Biquads, Filters, IIR Filters, Widgets | 7 Comments