Version 4 SHEET 1 5945676 13421556 WIRE 1808 -80 1648 -80 WIRE 2064 -80 1888 -80 WIRE 2176 -80 2064 -80 WIRE 2576 -80 2176 -80 WIRE 1648 -48 1648 -80 WIRE 2064 0 2064 -80 WIRE 2576 0 2576 -80 WIRE 1648 64 1648 32 WIRE 2064 112 2064 64 WIRE 2784 160 1680 160 WIRE 2944 160 2784 160 WIRE 3184 160 2944 160 WIRE 3328 160 3184 160 WIRE 2944 176 2944 160 WIRE 2576 208 2576 80 WIRE 2608 208 2576 208 WIRE 2784 208 2784 160 WIRE 2784 208 2672 208 WIRE 3184 208 3184 160 WIRE 1680 240 1680 160 WIRE 3328 256 3328 240 WIRE 3328 256 3248 256 WIRE 2784 304 2784 208 WIRE 3328 304 3328 256 WIRE 2176 336 2176 -80 WIRE 2944 336 2944 256 WIRE 3056 336 2944 336 WIRE 3184 336 3184 304 WIRE 3184 336 3120 336 WIRE 3184 352 3184 336 WIRE 2944 368 2944 336 WIRE 2576 384 2576 208 WIRE 1680 400 1680 320 WIRE 2016 400 1680 400 WIRE 3328 400 3328 384 WIRE 2400 432 2336 432 WIRE 2512 432 2480 432 WIRE 3424 448 3392 448 WIRE 3520 448 3504 448 WIRE 1680 464 1680 400 WIRE 1776 464 1680 464 WIRE 1904 464 1856 464 WIRE 2016 464 1968 464 WIRE 1680 480 1680 464 WIRE 2784 512 2784 368 WIRE 2944 512 2944 448 WIRE 3184 512 3184 432 WIRE 3328 512 3328 496 WIRE 1872 528 1760 528 WIRE 2016 528 1872 528 WIRE 1760 544 1760 528 WIRE 1872 544 1872 528 WIRE 3520 544 3520 448 WIRE 2576 560 2576 480 WIRE 2576 560 2336 560 WIRE 1680 576 1680 560 WIRE 2016 592 1968 592 WIRE 2576 592 2576 560 WIRE 1872 624 1872 608 WIRE 1760 656 1760 624 WIRE 1968 656 1968 592 WIRE 1968 656 1760 656 WIRE 1760 672 1760 656 WIRE 2176 704 2176 656 WIRE 2576 704 2576 672 WIRE 3520 704 3520 624 WIRE 1760 752 1760 736 FLAG 1760 752 0 FLAG 1872 624 0 FLAG 1680 576 0 FLAG 2176 704 0 FLAG 1648 64 0 FLAG 1648 -80 IN FLAG 2576 704 0 FLAG 2784 512 0 FLAG 2944 512 0 FLAG 3184 512 0 FLAG 3328 512 0 FLAG 3520 704 0 FLAG 2064 112 0 SYMBOL cap 1744 672 R0 SYMATTR InstName C1 SYMATTR Value 6.8n SYMBOL cap 1856 544 R0 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL cap 1968 448 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 4.7n SYMBOL res 1872 448 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 200K SYMBOL res 1744 528 R0 SYMATTR InstName R3 SYMATTR Value 13K SYMBOL res 1664 464 R0 SYMATTR InstName R4 SYMATTR Value 20K SYMBOL VOLTAGE 1648 -64 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 10 SYMBOL PowerProducts\\LT1241 2176 496 R0 SYMATTR InstName U1 SYMBOL res 2560 576 R0 SYMATTR InstName R1 SYMATTR Value 10 SYMBOL ind 2560 -16 R0 SYMATTR InstName L1 SYMATTR Value 10m SYMBOL npn 2512 384 R0 SYMATTR InstName Q1 SYMATTR Value 2N5550 SYMBOL diode 2608 224 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D3 SYMATTR Value RFU02VS6S SYMBOL cap 2768 304 R0 SYMATTR InstName C5 SYMATTR Value 10n SYMBOL res 2496 416 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 1k SYMBOL res 1664 224 R0 SYMATTR InstName R5 SYMATTR Value 3200k SYMBOL res 2928 160 R0 SYMATTR InstName R6 SYMATTR Value 47meg SYMBOL pnp 3248 304 R180 SYMATTR InstName Q2 SYMATTR Value 2N5401 SYMBOL res 3168 336 R0 SYMATTR InstName R8 SYMATTR Value 22meg SYMBOL res 3312 144 R0 SYMATTR InstName R10 SYMATTR Value 47meg SYMBOL res 3312 288 R0 SYMATTR InstName R11 SYMATTR Value 47meg SYMBOL npn 3392 400 M0 SYMATTR InstName Q3 SYMATTR Value 2N5550 SYMBOL voltage 3520 528 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 0 1n 1n 10m 20m) SYMBOL res 3520 432 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 10k SYMBOL diode 3056 352 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value RFU02VS6S SYMBOL ind 1792 -64 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 1µ SYMBOL cap 2048 0 R0 SYMATTR InstName C4 SYMATTR Value 100µ TEXT 1660 776 Left 2 !.tran 100