[Operation Amplifier] [Active Filters] [Interfaces]

Need help with the circuits? See the tutorial.

Basic circuit blocks

Active Filters:

• Bessel 2nd order Lowpass
• Bessel 2nd order Highpass
• Bessel 3rd order Lowpass
• Bessel 3rd order Highpass
• Bessel 4th order Lowpass
• Bessel 4th order Highpass
• Linkwitz 4th order Lowpass
• Linkwitz 4th order Highpass