Sallen-Key low-pass
6 parts
Two RC sections wrapped around a unity-gain buffer give a 2nd-order roll-off — −40 dB/decade, no inductors. The standard anti-aliasing block in front of every ADC.
- V1 2V·300Hz
- R1 1.6kΩ
- R2 1.6kΩ
- C1 100nF
- OP1
- C2 100nF
6 parts
Two RC sections wrapped around a unity-gain buffer give a 2nd-order roll-off — −40 dB/decade, no inductors. The standard anti-aliasing block in front of every ADC.