Version 4 SHEET 1 880 680 WIRE 160 96 -112 96 WIRE 432 96 352 96 WIRE 544 96 432 96 WIRE 624 96 544 96 WIRE -112 112 -112 96 WIRE 432 112 432 96 WIRE 544 112 544 96 WIRE 624 112 624 96 WIRE -112 208 -112 192 WIRE 160 208 16 208 WIRE 432 208 432 192 WIRE 432 208 352 208 WIRE 544 208 544 176 WIRE 624 208 624 192 WIRE 16 224 16 208 WIRE 432 224 432 208 WIRE 256 272 256 256 WIRE 16 320 16 304 WIRE 432 320 432 304 FLAG -112 208 0 FLAG 256 272 0 FLAG 432 320 0 FLAG 544 208 0 FLAG 624 208 0 FLAG 624 96 OUT FLAG -112 96 IN FLAG 16 320 0 SYMBOL voltage -112 96 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL res 416 96 R0 SYMATTR InstName R1 SYMATTR Value 230K SYMBOL res 416 208 R0 SYMATTR InstName R2 SYMATTR Value 100K SYMBOL cap 528 112 R0 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL res 608 96 R0 SYMATTR InstName Rload SYMATTR Value 330 SYMBOL voltage 16 208 R0 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 100u 50n 50n 2.5m) SYMBOL ADP163 256 208 R0 SYMATTR InstName U1 TEXT 512 248 Left 2 !.tran 4m