Filter Designer

Filter Designer tool can be used for designing Active Lowpass, Active Highpass and Active Bandpass Filters. Calculate the values of capacitors, resistors, Q values and frequencies of active filter.
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Active Lowpass Calculator:

1. 2 Pole Active Lowpass with Unity Gain

2. 2 Pole Active Lowpass with Gain

3. 3 Pole Active Lowpass Filter

Active Highpass Calculator:

1. 2 Pole Active Highpass with Unity Gain

2. 2 Pole Active Highpass with Gain

3. 3 Pole Active Highpass Filter

Active Bandpass Calculator:

1. 2 Pole Active BandPass Filter

2. 4 Pole Active BandPass Filter

3. 6 Pole Active BandPass Filter

Notch Filter Calculator:

1. 2 Op-Amp Notch Filter Calculator

Sallen Key Filter Calculator:

1. Sallen Key Lowpass Butterworth Filter Calculator