Version 4 SHEET 1 2080 744 WIRE 1024 -384 912 -384 WIRE 1200 -384 1024 -384 WIRE 1632 -384 1200 -384 WIRE -176 -368 -384 -368 WIRE 912 -368 912 -384 WIRE 912 -368 -176 -368 WIRE 1488 -304 1024 -304 WIRE -384 -240 -384 -288 WIRE 1152 -208 1120 -208 WIRE 1280 -208 1216 -208 WIRE 1616 -192 1536 -192 WIRE 1728 -192 1680 -192 WIRE 1120 -112 1120 -208 WIRE 1152 -112 1120 -112 WIRE 1280 -112 1280 -208 WIRE 1280 -112 1232 -112 WIRE 1536 -112 1536 -192 WIRE 1600 -112 1536 -112 WIRE 1728 -112 1728 -192 WIRE 1728 -112 1680 -112 WIRE 1072 -64 912 -64 WIRE 1120 -64 1120 -112 WIRE 1120 -64 1072 -64 WIRE 1200 -64 1200 -384 WIRE 1200 -64 1184 -64 WIRE 1536 -64 1536 -112 WIRE 1536 -64 1440 -64 WIRE 1584 -64 1536 -64 WIRE 1632 -64 1632 -384 WIRE 1120 -48 1120 -64 WIRE 1152 -48 1120 -48 WIRE 1584 -48 1584 -64 WIRE 1600 -48 1584 -48 WIRE 1280 -32 1280 -112 WIRE 1280 -32 1216 -32 WIRE 1360 -32 1344 -32 WIRE 1440 -32 1440 -64 WIRE 1728 -32 1728 -112 WIRE 1728 -32 1664 -32 WIRE 1152 -16 1120 -16 WIRE 1600 -16 1584 -16 WIRE 1024 0 1024 -304 WIRE 1072 0 1024 0 WIRE 1120 0 1120 -16 WIRE 1120 0 1072 0 WIRE 1488 0 1488 -304 WIRE 1536 0 1488 0 WIRE 1584 0 1584 -16 WIRE 1584 0 1536 0 WIRE 1728 112 1728 -32 WIRE 1728 112 1632 112 WIRE 912 160 912 -64 WIRE 1024 176 1024 0 WIRE 1104 176 1024 176 WIRE 1168 176 1104 176 WIRE 1536 176 1536 0 WIRE 1632 176 1632 112 WIRE 1728 176 1728 112 WIRE 1168 240 1104 240 WIRE 1536 240 1168 240 WIRE 1632 240 1536 240 WIRE 1104 256 1104 240 WIRE 1104 256 1024 256 WIRE 1024 288 1024 256 WIRE 1728 320 1728 240 WIRE 176 336 176 256 WIRE 912 336 912 240 WIRE 96 400 96 256 WIRE 1728 464 1728 400 WIRE 1792 464 1728 464 WIRE -176 496 -176 -368 WIRE -64 496 -96 496 WIRE 0 496 -64 496 WIRE 48 496 0 496 WIRE 176 496 176 400 WIRE 176 496 128 496 WIRE 224 496 176 496 WIRE 336 496 288 496 WIRE 432 496 416 496 WIRE 464 496 432 496 WIRE 592 496 544 496 WIRE 672 496 592 496 WIRE 784 496 672 496 WIRE 912 496 912 400 WIRE 912 496 784 496 WIRE 784 512 784 496 WIRE 912 560 848 560 WIRE 1552 560 912 560 WIRE 592 576 592 496 WIRE -64 592 -64 496 WIRE 0 592 0 496 WIRE 176 592 176 496 WIRE 432 592 432 496 WIRE 672 592 672 496 WIRE 912 592 912 560 WIRE 1552 592 1552 560 WIRE 1584 592 1552 592 WIRE 1680 592 1664 592 WIRE 1728 592 1728 528 WIRE 1728 592 1680 592 WIRE 0 656 -64 656 WIRE 176 656 0 656 WIRE 432 656 176 656 WIRE 592 656 432 656 WIRE 672 656 592 656 WIRE 784 656 784 608 WIRE 784 656 672 656 WIRE 912 656 784 656 WIRE 1552 656 912 656 WIRE 1680 656 1552 656 WIRE 1792 656 1792 528 WIRE 1792 656 1680 656 WIRE -64 704 -64 656 FLAG -64 704 0 FLAG 1024 288 0 FLAG -384 -240 0 FLAG 1184 0 0 FLAG 1632 0 0 FLAG 96 400 0 SYMBOL res -80 480 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL polcap -80 592 R0 SYMATTR InstName C1 SYMATTR Value 10µ SYMBOL cap -16 592 R0 SYMATTR InstName C2 SYMATTR Value 470p SYMBOL res 144 480 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 4,3k SYMBOL cap 160 592 R0 SYMATTR InstName C3 SYMATTR Value 470p SYMBOL cap 288 480 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C4 SYMATTR Value 68n SYMBOL res 432 480 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 5,6k SYMBOL res 560 480 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 3,9k SYMBOL cap 416 592 R0 SYMATTR InstName C5 SYMATTR Value 6,8n SYMBOL res 576 560 R0 SYMATTR InstName R5 SYMATTR Value 15k SYMBOL cap 656 592 R0 SYMATTR InstName C6 SYMATTR Value 470p SYMBOL npn 848 512 M0 SYMATTR InstName Q1 SYMBOL cap 896 496 R0 SYMATTR InstName C7 SYMATTR Value 470p SYMBOL cap 896 592 R0 SYMATTR InstName C8 SYMATTR Value 470p SYMBOL cap 896 336 R0 SYMATTR InstName C9 SYMATTR Value 68n SYMBOL res 1008 160 R0 SYMATTR InstName R6 SYMATTR Value 100k SYMBOL res 1008 -400 R0 SYMATTR InstName R7 SYMATTR Value 100k SYMBOL polcap 1088 176 R0 SYMATTR InstName C11 SYMATTR Value 1µ SYMBOL polcap 1536 592 R0 SYMATTR InstName C12 SYMATTR Value 1µ SYMBOL polcap 1664 592 R0 SYMATTR InstName C13 SYMATTR Value 1n SYMBOL cap 1152 176 R0 SYMATTR InstName C14 SYMATTR Value 470p SYMBOL cap 1056 -64 R0 SYMATTR InstName C15 SYMATTR Value 470p SYMBOL cap 1344 -48 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C16 SYMATTR Value 68n SYMBOL cap 1216 -224 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C17 SYMATTR Value 68p SYMBOL res 1248 -128 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R8 SYMATTR Value 560k SYMBOL res 1456 -48 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R9 SYMATTR Value 15k SYMBOL cap 1520 -64 R0 SYMATTR InstName C18 SYMATTR Value 470p SYMBOL cap 1520 176 R0 SYMATTR InstName C19 SYMATTR Value 470p SYMBOL cap 1616 176 R0 SYMATTR InstName C20 SYMATTR Value 470p SYMBOL polcap 1712 176 R0 SYMATTR InstName C21 SYMATTR Value 10µ SYMBOL res 1696 -128 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R10 SYMATTR Value 150k SYMBOL cap 1680 -208 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C22 SYMATTR Value 100p SYMBOL diode 1712 464 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL res 1680 576 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R12 SYMATTR Value 2,4k SYMBOL voltage -384 -384 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 44 Left 0 SYMATTR SpiceLine Rser=0 SYMATTR InstName V1 SYMATTR Value PULSE(0 3 1m 10µ 1m 5 5) SYMBOL Opamps\\LT1001 1184 -96 R0 SYMATTR InstName U3 SYMBOL Opamps\\LT1001 1632 -96 R0 SYMATTR InstName U4 SYMBOL voltage 192 256 R90 WINDOW 0 -32 56 VBottom 0 WINDOW 3 32 56 VTop 0 WINDOW 123 0 0 Left 0 WINDOW 39 60 56 VTop 0 SYMATTR InstName V2 SYMATTR Value SINE(0 2m 500) SYMBOL polcap 192 400 R180 WINDOW 0 24 57 Left 0 WINDOW 3 24 8 Left 0 SYMATTR InstName C24 SYMATTR Value 1µ SYMBOL res 896 144 R0 SYMATTR InstName R16 SYMATTR Value 10k SYMBOL diode 1808 528 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL res 1712 304 R0 SYMATTR InstName R11 SYMATTR Value 100 TEXT -416 728 Left 0 !.tran 2