| Version 4 | |
| Bandpass filter | |
| SHEET 1 880 680 | |
| WIRE 32 144 -64 144 | |
| WIRE 192 144 112 144 | |
| WIRE 256 144 192 144 | |
| WIRE 384 144 320 144 | |
| WIRE -64 176 -64 144 | |
| WIRE 192 176 192 144 | |
| WIRE 384 176 384 144 | |
| WIRE -64 304 -64 256 | |
| WIRE 192 304 192 240 | |
| WIRE 192 304 -64 304 | |
| WIRE 384 304 384 256 | |
| WIRE 384 304 192 304 | |
| SYMBOL cap 176 176 R0 | |
| SYMATTR InstName C1 | |
| SYMATTR Value 1n | |
| SYMBOL res 368 160 R0 | |
| SYMATTR InstName R1 | |
| SYMATTR Value 20k | |
| SYMBOL voltage -64 160 R0 | |
| WINDOW 123 24 124 Left 2 | |
| WINDOW 39 0 0 Left 0 | |
| SYMATTR InstName V1 | |
| SYMATTR Value "" | |
| SYMATTR Value2 AC 10 | |
| SYMBOL res 128 128 R90 | |
| WINDOW 0 0 56 VBottom 2 | |
| WINDOW 3 32 56 VTop 2 | |
| SYMATTR InstName R2 | |
| SYMATTR Value 10k | |
| SYMBOL cap 320 128 R90 | |
| WINDOW 0 0 32 VBottom 2 | |
| WINDOW 3 32 32 VTop 2 | |
| SYMATTR InstName C2 | |
| SYMATTR Value 100p | |