Version 4 SHEET 1 4212 1120 WIRE 2208 256 1584 256 WIRE 2208 272 2208 256 WIRE 2464 288 2256 288 WIRE 2576 288 2544 288 WIRE 2288 336 2256 336 WIRE 1584 352 1584 256 WIRE 1696 352 1584 352 WIRE 2080 352 1952 352 WIRE 1584 416 1584 352 WIRE 1584 416 1488 416 WIRE 1696 416 1584 416 WIRE 2080 416 2080 352 WIRE 2080 416 1952 416 WIRE 2208 416 2208 352 WIRE 2208 416 2080 416 WIRE 2256 416 2208 416 WIRE 2464 416 2256 416 WIRE 2576 416 2544 416 WIRE 1488 432 1488 416 WIRE 1584 464 1584 416 WIRE 2080 464 2080 416 WIRE 1776 512 1776 464 WIRE 1824 512 1776 512 WIRE 1872 512 1872 464 WIRE 1872 512 1824 512 WIRE 2208 528 2208 416 WIRE 1488 544 1488 512 WIRE 1584 544 1584 528 WIRE 1824 544 1824 512 WIRE 2080 544 2080 528 WIRE 2464 544 2256 544 WIRE 2576 544 2544 544 WIRE 2288 592 2256 592 WIRE 2208 624 2208 608 FLAG 1824 544 0 FLAG 2256 416 vOUT FLAG 1488 416 vIN FLAG 1488 544 0 FLAG 2080 544 0 FLAG 2208 624 0 FLAG 2288 592 0 FLAG 2576 544 0 FLAG 2288 336 0 FLAG 2576 288 0 FLAG 2576 416 0 FLAG 1584 544 0 SYMBOL voltage 1488 416 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 4 SYMBOL cap 2064 464 R0 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL sw 2208 624 R180 WINDOW 0 -7 103 Right 2 WINDOW 3 -10 16 Right 2 SYMATTR InstName S1 SYMATTR Value 5mA SYMBOL voltage 2448 544 M90 WINDOW 123 74 56 VTop 2 WINDOW 39 53 56 VTop 2 WINDOW 0 -32 56 VBottom 2 WINDOW 3 34 72 VTop 2 SYMATTR InstName V2 SYMATTR Value PULSE(0 1 1m 100n 100n 0.6m 2m) SYMBOL sw 2208 368 R180 WINDOW 0 -11 104 Right 2 WINDOW 3 -15 14 Right 2 SYMATTR InstName S2 SYMATTR Value 5mA SYMBOL voltage 2448 288 M90 WINDOW 123 74 56 VTop 2 WINDOW 39 53 56 VTop 2 WINDOW 3 35 86 VTop 2 WINDOW 0 -32 56 VBottom 2 SYMATTR Value PULSE(0 1 100u 100n 100n 0.6m 2m) SYMATTR InstName V3 SYMBOL current 2464 416 R270 WINDOW 0 32 40 VTop 2 WINDOW 3 -35 41 VBottom 2 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I1 SYMATTR Value 3.5mA SYMBOL cap 1568 464 R0 SYMATTR InstName C2 SYMATTR Value 0.1µ SYMBOL ADR3425 1824 368 R0 SYMATTR InstName U1 TEXT 1456 656 Left 2 !.tran 2m\n.model 5mA SW(Ron=10 Roff=1G Vt=.5 Vh=-.2 Ilimit=5m level=2)