Version 4 SHEET 1 880 680 WIRE 112 -112 -528 -112 WIRE -528 -32 -528 -112 WIRE 160 -32 0 -32 WIRE 272 -32 240 -32 WIRE -528 64 -528 48 WIRE 112 64 112 -112 WIRE -528 80 -528 64 WIRE -112 80 -336 80 WIRE 0 80 0 -32 WIRE 0 80 -32 80 WIRE 32 80 0 80 WIRE 80 80 32 80 WIRE 272 96 272 -32 WIRE 272 96 144 96 WIRE 368 96 272 96 WIRE 0 112 0 80 WIRE 80 112 32 112 WIRE 0 208 0 176 WIRE 32 208 32 112 WIRE 32 208 0 208 WIRE 32 240 32 208 WIRE -528 384 -528 160 WIRE 112 384 112 128 WIRE 112 384 -528 384 FLAG 32 240 0 FLAG -336 160 0 FLAG -528 64 0 FLAG 272 96 out FLAG 32 80 stg2 SYMBOL Opamps\\AD8542 112 32 R0 SYMATTR InstName U1 SYMBOL Misc\\signal -336 64 R0 WINDOW 123 24 132 Left 2 WINDOW 39 24 132 Left 2 SYMATTR InstName V1 SYMATTR Value "" SYMATTR Value2 AC 1. SYMBOL res -16 64 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 1k SYMBOL voltage -528 -48 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 2.5 SYMBOL voltage -528 64 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V3 SYMATTR Value 2.5 SYMBOL res 256 -48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 100k SYMBOL cap -16 112 R0 SYMATTR InstName C2 SYMATTR Value 220n TEXT -386 318 Left 2 !.ac dec 250 0.1 10meg