Version 4 SHEET 1 880 680 WIRE 0 -96 0 -112 WIRE 0 -96 -224 -96 WIRE -768 -80 -768 -144 WIRE -224 -80 -224 -96 WIRE 64 -32 -96 -32 WIRE 176 -32 144 -32 WIRE -624 0 -624 -32 WIRE -768 16 -768 0 WIRE -656 16 -768 16 WIRE 0 16 0 -96 WIRE -768 32 -768 16 WIRE -560 32 -592 32 WIRE -528 32 -560 32 WIRE -336 32 -368 32 WIRE -224 32 -224 0 WIRE -224 32 -272 32 WIRE -176 32 -224 32 WIRE -96 32 -96 -32 WIRE -32 32 -96 32 WIRE -656 48 -672 48 WIRE 144 48 32 48 WIRE 176 48 176 -32 WIRE 176 48 144 48 WIRE -224 64 -224 32 WIRE -32 64 -80 64 WIRE -672 96 -672 48 WIRE -560 96 -560 32 WIRE -560 96 -672 96 WIRE -80 96 -80 64 WIRE -624 112 -624 64 WIRE -768 144 -768 112 WIRE -224 160 -224 144 WIRE 0 160 0 80 WIRE 0 160 -224 160 WIRE 0 176 0 160 WIRE -160 288 -208 288 WIRE -16 288 -64 288 WIRE -208 320 -208 288 WIRE -64 320 -64 288 WIRE -208 432 -208 400 WIRE -64 432 -64 400 WIRE -64 432 -208 432 WIRE -208 448 -208 432 FLAG -160 288 Vcc FLAG -208 448 0 FLAG -528 32 Agnd FLAG -624 -32 0 FLAG -624 112 Vcc FLAG -768 144 0 FLAG -16 288 In FLAG -768 -144 Vcc FLAG 0 176 0 FLAG 0 -112 Vcc FLAG -80 96 Agnd FLAG -368 32 In FLAG -560 176 0 FLAG 144 48 out SYMBOL voltage -208 304 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL voltage -64 304 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value SINE(0 200mV 1k) SYMBOL res -784 -96 R0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL res -784 16 R0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL Opamps\\opamp2 -624 96 M180 SYMATTR InstName U1 SYMATTR Value MCP6001 SYMBOL Opamps\\opamp2 0 -16 R0 SYMATTR InstName U2 SYMATTR Value MCP6001 SYMBOL res -80 16 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 1k SYMBOL res 160 -48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 1k SYMBOL res -240 -96 R0 SYMATTR InstName R5 SYMATTR Value 10k SYMBOL res -240 48 R0 SYMATTR InstName R6 SYMATTR Value 10k SYMBOL cap -272 16 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 100µF SYMBOL res -576 80 R0 SYMATTR InstName R7 SYMATTR Value 1Meg TEXT -776 256 Left 2 !.tran 0 20ms 10u TEXT -776 400 Left 2 !.lib MCP6001.txt TEXT -776 288 Left 2 !.op TEXT -776 368 Left 2 !.options ptrantau = 1u TEXT -776 336 Left 2 !.options cshunt = 1e-16