Version 4 SHEET 1 1036 680 WIRE 400 160 208 160 WIRE 688 160 480 160 WIRE -64 272 -128 272 WIRE 0 272 -64 272 WIRE 208 272 208 160 WIRE 208 272 80 272 WIRE 272 272 208 272 WIRE 400 272 272 272 WIRE 688 272 688 160 WIRE 688 272 496 272 WIRE 800 272 688 272 WIRE 496 304 496 272 WIRE 400 320 400 272 WIRE 448 320 400 320 WIRE -128 336 -128 272 WIRE 448 368 400 368 WIRE -128 448 -128 416 WIRE 400 448 400 368 WIRE 400 448 -128 448 WIRE 496 448 496 384 WIRE 496 448 400 448 WIRE -128 480 -128 448 FLAG -128 480 0 FLAG 800 272 OUT FLAG -64 272 IN FLAG 272 272 INV- SYMBOL res 96 256 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL res 496 144 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL voltage -128 320 R0 SYMATTR InstName V1 SYMATTR Value 1V SYMBOL e 496 288 R0 SYMATTR InstName E1 SYMATTR Value -1e6 TEXT 72 536 Left 2 !.TF V(OUT) V1