Version 4
SHEET 1 5945676 13421556
WIRE 992 272 896 272
WIRE 1232 272 992 272
WIRE 1328 272 1232 272
WIRE 1600 272 1328 272
WIRE 1680 272 1600 272
WIRE 1952 272 1680 272
WIRE 2032 272 1952 272
WIRE 2128 272 2032 272
WIRE 896 288 896 272
WIRE 1232 288 1232 272
WIRE 1600 288 1600 272
WIRE 1952 288 1952 272
WIRE 992 352 992 272
WIRE 1328 352 1328 272
WIRE 1680 352 1680 272
WIRE 2032 352 2032 272
WIRE 720 400 672 400
WIRE 752 400 720 400
WIRE 800 400 784 400
WIRE 816 400 800 400
WIRE 896 400 896 368
WIRE 896 400 880 400
WIRE 928 400 896 400
WIRE 1056 400 1040 400
WIRE 1088 400 1056 400
WIRE 1136 400 1120 400
WIRE 1152 400 1136 400
WIRE 1232 400 1232 368
WIRE 1232 400 1216 400
WIRE 1264 400 1232 400
WIRE 1392 400 1376 400
WIRE 1488 400 1472 400
WIRE 1504 400 1488 400
WIRE 1600 400 1600 352
WIRE 1600 400 1584 400
WIRE 1616 400 1600 400
WIRE 1744 400 1728 400
WIRE 1840 400 1824 400
WIRE 1856 400 1840 400
WIRE 1952 400 1952 352
WIRE 1952 400 1936 400
WIRE 1968 400 1952 400
WIRE 800 432 800 400
WIRE 1136 432 1136 400
WIRE 1488 448 1488 400
WIRE 1840 448 1840 400
WIRE 992 464 992 448
WIRE 1040 464 1040 400
WIRE 1040 464 992 464
WIRE 1328 464 1328 448
WIRE 1376 464 1376 400
WIRE 1376 464 1328 464
WIRE 1680 464 1680 448
WIRE 1728 464 1728 400
WIRE 1728 464 1680 464
WIRE 672 528 672 400
WIRE 2128 528 2128 272
WIRE 672 544 672 528
WIRE 2128 544 2128 528
WIRE 800 560 800 512
WIRE 992 560 992 464
WIRE 992 560 800 560
WIRE 1136 560 1136 512
WIRE 1328 560 1328 464
WIRE 1328 560 1136 560
WIRE 1488 560 1488 512
WIRE 1680 560 1680 464
WIRE 1680 560 1488 560
WIRE 1840 560 1840 512
WIRE 2032 560 2032 448
WIRE 2032 560 1840 560
WIRE 672 656 672 608
WIRE 992 656 992 640
WIRE 992 656 672 656
WIRE 1328 656 1328 640
WIRE 1328 656 992 656
WIRE 1680 656 1680 640
WIRE 1680 656 1328 656
WIRE 2032 656 2032 640
WIRE 2032 656 1680 656
WIRE 2128 656 2128 608
WIRE 2128 656 2032 656
WIRE 992 672 992 656
FLAG 992 672 0
SYMBOL voltage 672 512 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value ""
SYMATTR Value2 AC 1.
SYMBOL voltage 2128 512 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 5V
SYMBOL res 880 272 R0
SYMATTR InstName R2
SYMATTR Value 47k
SYMBOL res 784 416 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL cap 880 384 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 47n
SYMBOL cap 784 384 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 47n
SYMBOL res 976 544 R0
SYMATTR InstName R9
SYMATTR Value 1k
SYMBOL npn 928 352 R0
SYMATTR InstName Q5
SYMBOL res 1216 272 R0
SYMATTR InstName R4
SYMATTR Value 47k
SYMBOL res 1120 416 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL cap 1216 384 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 47n
SYMBOL cap 1120 384 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 47n
SYMBOL res 1312 544 R0
SYMATTR InstName R10
SYMATTR Value 1k
SYMBOL npn 1264 352 R0
SYMATTR InstName Q6
SYMBOL res 1488 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 1600 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL cap 1472 448 R0
SYMATTR InstName C5
SYMATTR Value 10n
SYMBOL cap 1584 288 R0
SYMATTR InstName C6
SYMATTR Value 2,2n
SYMBOL npn 1616 352 R0
SYMATTR InstName Q7
SYMBOL res 1664 544 R0
SYMATTR InstName R11
SYMATTR Value 1k
SYMBOL res 1840 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res 1952 384 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL cap 1824 448 R0
SYMATTR InstName C7
SYMATTR Value 10n
SYMBOL cap 1936 288 R0
SYMATTR InstName C8
SYMATTR Value 2,2n
SYMBOL npn 1968 352 R0
SYMATTR InstName Q8
SYMBOL res 2016 544 R0
SYMATTR InstName R12
SYMATTR Value 1k
TEXT 768 608 Left 2 !.ac oct 25 20 20K