Version 4 SHEET 1 880 680 WIRE 384 256 208 256 WIRE 208 336 208 256 WIRE 256 336 208 336 WIRE 384 352 384 256 WIRE 384 352 320 352 WIRE 416 352 384 352 WIRE 256 368 144 368 WIRE -64 384 -64 368 WIRE 48 384 48 368 WIRE 144 384 144 368 WIRE 288 400 288 384 WIRE -64 480 -64 464 WIRE 48 480 48 464 WIRE 144 480 144 464 FLAG -64 480 0 FLAG 48 480 0 FLAG -64 368 +V FLAG 144 480 0 FLAG 144 368 IN FLAG 416 352 OUT FLAG 288 320 +V FLAG 48 368 -V FLAG 288 400 -V SYMBOL voltage -64 368 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL voltage 48 368 R0 SYMATTR InstName V2 SYMATTR Value -5 SYMBOL LTC6244 288 352 R0 SYMATTR InstName U1 SYMBOL voltage 144 368 R0 SYMATTR InstName V3 SYMATTR Value PULSE(-1 1 0 1n 1n 10u 20u) TEXT 400 512 Left 2 !.tran 100u