Version 4 SHEET 1 2280 1480 WIRE -352 -112 -560 -112 WIRE -80 -112 -288 -112 WIRE -832 0 -896 0 WIRE -768 0 -832 0 WIRE -560 0 -560 -112 WIRE -560 0 -688 0 WIRE -496 0 -560 0 WIRE -368 0 -496 0 WIRE -80 0 -80 -112 WIRE -80 0 -272 0 WIRE 32 0 -80 0 WIRE -272 32 -272 0 WIRE -368 48 -368 0 WIRE -320 48 -368 48 WIRE -896 64 -896 0 WIRE -320 96 -368 96 WIRE -368 176 -368 96 WIRE -272 176 -272 112 WIRE -272 176 -368 176 WIRE -896 208 -896 144 WIRE -368 240 -368 176 WIRE -384 352 -576 352 WIRE -96 352 -304 352 WIRE -576 464 -576 352 WIRE -368 464 -576 464 WIRE -96 464 -96 352 WIRE -96 464 -304 464 WIRE -816 576 -832 576 WIRE -784 576 -816 576 WIRE -576 576 -576 464 WIRE -576 576 -704 576 WIRE -512 576 -576 576 WIRE -384 576 -512 576 WIRE -96 576 -96 464 WIRE -96 576 -288 576 WIRE 16 576 -96 576 WIRE -288 608 -288 576 WIRE -384 624 -384 576 WIRE -336 624 -384 624 WIRE -336 672 -384 672 WIRE -384 752 -384 672 WIRE -288 752 -288 688 WIRE -288 752 -384 752 WIRE -384 800 -384 752 WIRE -368 896 -560 896 WIRE -80 896 -288 896 WIRE -560 1008 -560 896 WIRE -352 1008 -560 1008 WIRE -80 1008 -80 896 WIRE -80 1008 -288 1008 WIRE -816 1120 -832 1120 WIRE -768 1120 -816 1120 WIRE -560 1120 -560 1008 WIRE -560 1120 -688 1120 WIRE -496 1120 -560 1120 WIRE -368 1120 -496 1120 WIRE -80 1120 -80 1008 WIRE -80 1120 -272 1120 WIRE 32 1120 -80 1120 WIRE -272 1152 -272 1120 WIRE -368 1168 -368 1120 WIRE -320 1168 -368 1168 WIRE -320 1216 -368 1216 WIRE -368 1296 -368 1216 WIRE -272 1296 -272 1232 WIRE -272 1296 -368 1296 WIRE -368 1344 -368 1296 FLAG 16 576 OUTa FLAG -512 576 INVa- FLAG -896 208 0 FLAG 32 0 OUT FLAG -832 0 IN FLAG -496 0 INV- FLAG 32 1120 OUTb FLAG -496 1120 INVb- FLAG -384 800 0 FLAG -368 1344 0 FLAG -816 576 IN FLAG -816 1120 IN FLAG -368 240 0 SYMBOL res -688 560 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1a SYMATTR Value 1k SYMBOL e -288 592 R0 SYMATTR InstName E1a SYMATTR Value -1e6 SYMBOL cap -304 448 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2a SYMATTR Value 10µF SYMBOL res -288 336 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2a SYMATTR Value 1Meg SYMBOL res -672 -16 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL voltage -896 48 R0 SYMATTR InstName V1 SYMATTR Value PWL(0 0V 1ms 0V 1.001ms 1mV 2s 1mV) SYMATTR Value2 AC 1 0 SYMBOL e -272 16 R0 SYMATTR InstName E1 SYMATTR Value -1e6 SYMBOL cap -288 -128 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 10µF SYMBOL res -672 1104 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1b SYMATTR Value 1k SYMBOL e -272 1136 R0 SYMATTR InstName E1b SYMATTR Value -1e6 SYMBOL cap -288 992 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2b SYMATTR Value 10µF SYMBOL res -272 880 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2b SYMATTR Value 100k TEXT -536 1416 Left 2 ;.TRAN 100ms 2s 0s 100ms TEXT -496 1456 Left 2 !.AC DEC 5 1mHz 1kHz