Create a schematic for Active low-pass filter 

libSymbols:
- Amplifier_Operational:LM324
- Device:C_Small
- Device:R_Small
- power:+3.3VP
- power:-6V
- power:GND
- power:VPP
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    angle: 90
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noConnects: []
busEntries: []
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globalLabels: []
sheetInstances: []
