Version 4 SHEET 1 5928 1076 WIRE 1232 -176 704 -176 WIRE 1888 -176 1232 -176 WIRE 2080 -176 1888 -176 WIRE 2736 -176 2080 -176 WIRE 1232 -128 1232 -176 WIRE 1888 -128 1888 -176 WIRE 2080 -128 2080 -176 WIRE 2736 -128 2736 -176 WIRE 1232 -16 1232 -48 WIRE 1312 -16 1232 -16 WIRE 1456 -16 1376 -16 WIRE 1712 -16 1664 -16 WIRE 1888 -16 1888 -48 WIRE 1888 -16 1776 -16 WIRE 2080 -16 2080 -48 WIRE 2160 -16 2080 -16 WIRE 2304 -16 2224 -16 WIRE 2560 -16 2512 -16 WIRE 2736 -16 2736 -48 WIRE 2736 -16 2624 -16 WIRE 704 16 704 -176 WIRE 1232 64 1232 -16 WIRE 1312 64 1232 64 WIRE 1456 64 1456 -16 WIRE 1456 64 1392 64 WIRE 1520 64 1456 64 WIRE 1664 64 1664 -16 WIRE 1664 64 1616 64 WIRE 1728 64 1664 64 WIRE 1888 64 1888 -16 WIRE 1888 64 1808 64 WIRE 1968 64 1888 64 WIRE 2080 64 2080 -16 WIRE 2160 64 2080 64 WIRE 2304 64 2304 -16 WIRE 2304 64 2240 64 WIRE 2368 64 2304 64 WIRE 2512 64 2512 -16 WIRE 2512 64 2464 64 WIRE 2576 64 2512 64 WIRE 2736 64 2736 -16 WIRE 2736 64 2656 64 WIRE 1232 128 1232 64 WIRE 1888 128 1888 64 WIRE 2080 128 2080 64 WIRE 2736 128 2736 64 WIRE 1424 176 1296 176 WIRE 1520 176 1616 64 WIRE 1520 176 1424 176 WIRE 1616 176 1520 64 WIRE 1696 176 1616 176 WIRE 1824 176 1696 176 WIRE 2272 176 2144 176 WIRE 2368 176 2464 64 WIRE 2368 176 2272 176 WIRE 2464 176 2368 64 WIRE 2544 176 2464 176 WIRE 2672 176 2544 176 WIRE 1072 208 928 208 WIRE 1424 208 1424 176 WIRE 1696 208 1696 176 WIRE 2272 208 2272 176 WIRE 2544 208 2544 176 WIRE 928 224 928 208 WIRE 704 336 704 96 WIRE 928 336 928 304 WIRE 928 336 704 336 WIRE 1232 336 1232 224 WIRE 1232 336 928 336 WIRE 1888 336 1888 224 WIRE 1888 336 1232 336 WIRE 2080 336 2080 224 WIRE 2080 336 1888 336 WIRE 2736 336 2736 224 WIRE 2736 336 2080 336 WIRE 1424 352 1424 288 WIRE 1696 352 1696 288 WIRE 2272 352 2272 288 WIRE 2544 352 2544 288 WIRE 704 416 704 336 WIRE 1424 448 1424 416 WIRE 1568 448 1424 448 WIRE 1696 448 1696 416 WIRE 1696 448 1568 448 WIRE 2272 448 2272 416 WIRE 2416 448 2272 448 WIRE 2544 448 2544 416 WIRE 2544 448 2416 448 WIRE 1072 464 1072 208 WIRE 1568 464 1568 448 WIRE 1568 464 1072 464 WIRE 1968 464 1968 64 WIRE 2416 464 2416 448 WIRE 2416 464 1968 464 FLAG 704 416 0 SYMBOL voltage 704 0 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 5V SYMBOL voltage 928 208 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 -195 155 Left 2 SYMATTR Value PULSE(0 5V 0 1n 1n 10u 20u) SYMATTR InstName V2 SYMBOL npn 1824 128 R0 SYMATTR InstName Q3 SYMATTR Value 2N2222 SYMBOL npn 1296 128 M0 SYMATTR InstName Q6 SYMATTR Value 2N2222 SYMBOL res 1216 -144 R0 SYMATTR InstName R2 SYMATTR Value 1k SYMBOL res 1872 -144 R0 SYMATTR InstName R3 SYMATTR Value 1k SYMBOL res 1408 48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R17 SYMATTR Value 22k SYMBOL res 1824 48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R18 SYMATTR Value 22k SYMBOL res 1408 192 R0 SYMATTR InstName R19 SYMATTR Value 2.2k SYMBOL res 1680 192 R0 SYMATTR InstName R20 SYMATTR Value 2.2k SYMBOL cap 1408 352 R0 SYMATTR InstName C3 SYMATTR Value 47pF SYMBOL cap 1680 352 R0 SYMATTR InstName C4 SYMATTR Value 47pF SYMBOL cap 1776 -32 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 -29 -43 VTop 2 SYMATTR InstName C5 SYMATTR Value 1n SYMBOL cap 1376 -32 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 -28 -52 VTop 2 SYMATTR InstName C6 SYMATTR Value 1n SYMBOL npn 2672 128 R0 SYMATTR InstName Q7 SYMATTR Value 2N2222 SYMBOL npn 2144 128 M0 SYMATTR InstName Q8 SYMATTR Value 2N2222 SYMBOL res 2064 -144 R0 SYMATTR InstName R21 SYMATTR Value 1k SYMBOL res 2720 -144 R0 SYMATTR InstName R22 SYMATTR Value 1k SYMBOL res 2256 48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R23 SYMATTR Value 22k SYMBOL res 2672 48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R24 SYMATTR Value 22k SYMBOL res 2256 192 R0 SYMATTR InstName R25 SYMATTR Value 2.2k SYMBOL res 2528 192 R0 SYMATTR InstName R26 SYMATTR Value 2.2k SYMBOL cap 2256 352 R0 SYMATTR InstName C7 SYMATTR Value 47pF SYMBOL cap 2528 352 R0 SYMATTR InstName C8 SYMATTR Value 47pF SYMBOL cap 2624 -32 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 -30 -25 VTop 2 SYMATTR InstName C9 SYMATTR Value 1nF SYMBOL cap 2224 -32 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 -30 -42 VTop 2 SYMATTR InstName C10 SYMATTR Value 1nF TEXT 744 432 Left 2 !.tran 0 110u 10u