Version 4 SHEET 1 1260 1036 WIRE -464 -496 -608 -496 WIRE -304 -496 -464 -496 WIRE -80 -496 -304 -496 WIRE 64 -496 -80 -496 WIRE 496 -496 64 -496 WIRE 656 -496 496 -496 WIRE 912 -496 656 -496 WIRE -464 -480 -464 -496 WIRE 496 -464 496 -496 WIRE 656 -464 656 -496 WIRE -304 -448 -304 -496 WIRE -80 -448 -80 -496 WIRE 64 -448 64 -496 WIRE -608 -432 -608 -496 WIRE 224 -432 160 -432 WIRE 400 -432 288 -432 WIRE -464 -368 -464 -416 WIRE 160 -368 160 -432 WIRE 208 -368 160 -368 WIRE 400 -368 400 -432 WIRE 400 -368 304 -368 WIRE 496 -368 496 -400 WIRE 496 -368 400 -368 WIRE 656 -368 656 -384 WIRE 656 -368 496 -368 WIRE -80 -288 -80 -368 WIRE 400 -288 400 -368 WIRE -464 -256 -464 -304 WIRE -304 -256 -304 -368 WIRE 64 -240 64 -368 WIRE 64 -240 -16 -240 WIRE 160 -240 160 -368 WIRE 160 -240 64 -240 WIRE 256 -240 256 -304 WIRE 256 -240 160 -240 WIRE 912 -224 912 -496 WIRE 656 -192 656 -368 WIRE 656 -192 496 -192 WIRE -608 -176 -608 -352 WIRE 400 -144 400 -208 WIRE 400 -144 64 -144 WIRE 432 -144 400 -144 WIRE -464 -128 -464 -192 WIRE -464 -128 -544 -128 WIRE -304 -128 -304 -192 WIRE -304 -128 -464 -128 WIRE -80 -128 -80 -192 WIRE -80 -128 -304 -128 WIRE 656 -128 656 -192 WIRE 64 -80 64 -144 WIRE 496 -80 496 -96 WIRE 496 -80 400 -80 WIRE 592 -80 496 -80 WIRE -608 -48 -608 -80 WIRE -80 -48 -80 -128 WIRE 400 0 400 -80 WIRE 496 16 496 -80 WIRE -272 48 -304 48 WIRE -160 48 -192 48 WIRE 656 48 656 -32 WIRE 688 48 656 48 WIRE 800 48 752 48 WIRE 912 48 912 -144 WIRE 912 48 880 48 WIRE 64 64 64 -16 WIRE -160 80 -160 48 WIRE -608 128 -608 32 WIRE -608 128 -624 128 WIRE -512 128 -608 128 WIRE -688 176 -816 176 WIRE -304 176 -304 48 WIRE -304 176 -448 176 WIRE -272 176 -304 176 WIRE -160 176 -160 144 WIRE -160 176 -192 176 WIRE 400 176 400 64 WIRE 400 176 -160 176 WIRE 496 176 496 96 WIRE 496 176 400 176 WIRE 656 176 656 48 WIRE 656 176 496 176 WIRE 720 176 656 176 WIRE 816 176 800 176 WIRE 912 176 912 48 WIRE 912 176 896 176 WIRE 944 176 912 176 WIRE -304 208 -304 176 WIRE 944 208 944 176 WIRE -816 224 -816 176 WIRE 64 272 64 128 WIRE 64 272 -160 272 WIRE 400 272 400 176 WIRE -624 288 -624 224 WIRE -448 288 -624 288 WIRE 64 288 64 272 WIRE 656 288 656 176 WIRE 688 288 656 288 WIRE -304 304 -304 288 WIRE -512 320 -512 224 WIRE -512 320 -704 320 WIRE -816 336 -816 304 WIRE -704 384 -704 320 WIRE -656 384 -704 384 WIRE -528 384 -576 384 WIRE -448 384 -448 288 WIRE -448 384 -464 384 WIRE 64 400 64 368 WIRE 656 432 656 288 WIRE 656 432 496 432 WIRE -160 448 -160 272 WIRE -160 448 -624 448 WIRE 64 480 64 464 WIRE 64 480 -528 480 WIRE 400 480 400 352 WIRE 400 480 64 480 WIRE 432 480 400 480 WIRE 656 496 656 432 WIRE -624 544 -624 448 WIRE -528 544 -528 480 WIRE 496 544 496 528 WIRE 592 544 496 544 WIRE 256 560 256 -240 WIRE -704 592 -704 384 WIRE -688 592 -704 592 WIRE -448 592 -448 384 WIRE -448 592 -464 592 WIRE 496 592 496 544 WIRE -80 608 -80 32 WIRE -48 608 -80 608 WIRE 64 608 32 608 WIRE 144 608 64 608 WIRE 192 608 144 608 WIRE 144 624 144 608 WIRE 912 624 912 176 WIRE -624 656 -624 640 WIRE -560 656 -624 656 WIRE -528 656 -528 640 WIRE -528 656 -560 656 WIRE -704 672 -704 592 WIRE -448 672 -448 592 WIRE -560 688 -560 656 WIRE 256 688 256 656 WIRE 64 704 64 608 WIRE 496 704 496 672 WIRE 496 704 400 704 WIRE 656 704 656 592 WIRE 656 704 496 704 WIRE 144 720 144 688 WIRE 496 720 496 704 WIRE 656 720 656 704 WIRE -80 752 -80 608 WIRE 0 752 -80 752 WIRE -704 816 -704 752 WIRE -560 816 -560 768 WIRE -560 816 -704 816 WIRE -448 816 -448 752 WIRE -448 816 -560 816 WIRE 144 816 144 784 WIRE 144 816 -448 816 WIRE 256 816 256 768 WIRE 256 816 144 816 WIRE 496 816 496 784 WIRE 496 816 256 816 WIRE 656 816 656 800 WIRE 656 816 496 816 WIRE 912 816 912 704 WIRE 912 816 656 816 WIRE 64 864 64 800 WIRE 400 864 400 704 WIRE 400 864 64 864 FLAG 944 208 0 FLAG -816 336 0 FLAG 688 288 out IOPIN 688 288 Out FLAG -304 304 0 SYMBOL npn2 592 -128 R0 SYMATTR InstName Q1 SYMATTR Value 2N3055 SYMBOL pnp2 432 -96 M180 SYMATTR InstName Q2 SYMATTR Value BD138F SYMBOL res 512 112 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R2 SYMATTR Value 15 SYMBOL npn2 592 496 R0 SYMATTR InstName Q3 SYMATTR Value 2N3055 SYMBOL pnp2 432 528 M180 SYMATTR InstName Q4 SYMATTR Value BD138F SYMBOL res 512 688 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R3 SYMATTR Value 15 SYMBOL npn2 -688 544 R0 WINDOW 3 -102 50 Left 0 SYMATTR InstName Q5 SYMATTR Value 2N3019 SYMBOL res 384 -304 R0 SYMATTR InstName R7 SYMATTR Value 56 SYMBOL res -176 160 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R11 SYMATTR Value 10K SYMBOL voltage 912 -240 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 20 SYMBOL voltage 912 608 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 20 SYMBOL res -432 656 M0 SYMATTR InstName R13 SYMATTR Value 1K2 SYMBOL res 416 368 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R14 SYMATTR Value 56 SYMBOL voltage -816 208 M0 WINDOW 123 24 132 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 -85 173 Left 0 SYMATTR InstName V3 SYMATTR Value SINE(0 0.7 1K) SYMBOL npn2 -464 544 M0 WINDOW 3 -116 53 Left 0 SYMATTR InstName Q6 SYMATTR Value 2N3019 SYMBOL res -544 672 M0 SYMATTR InstName R1 SYMATTR Value 22 SYMBOL res -688 656 M0 SYMATTR InstName R4 SYMATTR Value 1K2 SYMBOL pnp2 -448 224 R180 WINDOW 0 38 51 Left 0 WINDOW 3 -94 77 Left 0 SYMATTR InstName Q7 SYMATTR Value BC557B SYMBOL pnp2 -688 224 M180 WINDOW 0 41 51 Left 0 WINDOW 3 -89 75 Left 0 SYMATTR InstName Q8 SYMATTR Value BC557B SYMBOL res -288 192 M0 SYMATTR InstName R5 SYMATTR Value 470 SYMBOL res 640 -480 R0 SYMATTR InstName R6 SYMATTR Value 1 SYMBOL res 640 704 R0 SYMATTR InstName R8 SYMATTR Value 0.47 SYMBOL pnp2 -16 -192 R180 SYMATTR InstName Q9 SYMATTR Value BC557B SYMBOL pnp2 208 -304 R270 WINDOW 0 65 29 VRight 0 WINDOW 3 -14 -50 VRight 0 SYMATTR InstName Q10 SYMATTR Value BC557B SYMBOL pnp2 -544 -80 R180 SYMATTR InstName Q11 SYMATTR Value BC557B SYMBOL res -592 -336 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R16 SYMATTR Value 330 SYMBOL npn2 0 704 R0 SYMATTR InstName Q12 SYMATTR Value BC547B SYMBOL res 48 592 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R19 SYMATTR Value 27 SYMBOL npn2 192 560 R0 SYMATTR InstName Q13 SYMATTR Value BC547B SYMBOL res -96 48 M180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R21 SYMATTR Value 33K SYMBOL schottky 512 -464 M0 WINDOW 3 -94 65 Left 0 SYMATTR InstName D1 SYMATTR Value MBR735 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky 512 720 M0 WINDOW 3 -36 123 Left 0 SYMATTR InstName D2 SYMATTR Value MBR735 SYMATTR Description Diode SYMATTR Type diode SYMBOL zener 80 128 R180 WINDOW 0 24 72 Left 0 WINDOW 3 -149 32 Left 0 SYMATTR InstName D3 SYMATTR Value BZX84C12L SYMATTR Description Diode SYMATTR Type diode SYMBOL zener 80 -16 R180 WINDOW 0 24 72 Left 0 WINDOW 3 -137 65 Left 0 SYMATTR InstName D4 SYMATTR Value BZX84C12L SYMATTR Description Diode SYMATTR Type diode SYMBOL diode -480 -368 R0 SYMATTR InstName D5 SYMATTR Value 1N914 SYMBOL diode -480 -256 R0 SYMATTR InstName D6 SYMATTR Value 1N914 SYMBOL res 48 -464 R0 SYMATTR InstName R9 SYMATTR Value 5K6 SYMBOL res 240 672 R0 SYMATTR InstName R10 SYMATTR Value 680 SYMBOL res -96 -464 R0 SYMATTR InstName R18 SYMATTR Value 68 SYMBOL res -288 -464 M0 SYMATTR InstName R23 SYMATTR Value 68 SYMBOL cap -320 -256 R0 SYMATTR InstName C3 SYMATTR Value 220n SYMBOL diode 128 624 R0 SYMATTR InstName D7 SYMATTR Value 1N914 SYMBOL schottky 128 720 R0 SYMATTR InstName D8 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL diode -448 -480 M0 SYMATTR InstName D9 SYMATTR Value 1N914 SYMBOL cap 288 -448 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value 470p SYMBOL cap -528 400 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C2 SYMATTR Value 1n5 SYMBOL res -560 400 M270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R15 SYMATTR Value 22 SYMBOL cap -176 80 R0 SYMATTR InstName C6 SYMATTR Value 27p SYMBOL res -176 32 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R20 SYMATTR Value 470 SYMBOL cap 752 32 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C7 SYMATTR Value 22n SYMBOL res 784 64 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R22 SYMATTR Value 5.6 SYMBOL cap 48 400 R0 SYMATTR InstName C5 SYMATTR Value 820p SYMBOL res 48 272 R0 SYMATTR InstName R24 SYMATTR Value 270 SYMBOL res -592 48 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R17 SYMATTR Value 2K2 SYMBOL res 912 160 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R12 SYMATTR Value 2.8 SYMBOL cap 384 0 R0 SYMATTR InstName C4 SYMATTR Value 10n SYMBOL ind 704 192 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L1 SYMATTR Value 250µ TEXT 40 984 Left 0 !.four 1KK V(out) TEXT 40 1016 Left 0 !.options plotwinsize=0 TEXT 32 912 Left 0 !.tran 0 10m 5m 1µ TEXT 32 944 Left 0 !;ac dec 100 10 50e6