Version 4 SHEET 1 3428 864 WIRE -480 -400 -608 -400 WIRE -368 -400 -480 -400 WIRE -208 -400 -368 -400 WIRE 32 -400 -208 -400 WIRE 336 -400 32 -400 WIRE 640 -400 336 -400 WIRE 800 -400 640 -400 WIRE 896 -400 800 -400 WIRE 928 -400 896 -400 WIRE -368 -384 -368 -400 WIRE 640 -384 640 -400 WIRE 640 -304 640 -320 WIRE -368 -288 -368 -304 WIRE -208 -288 -208 -400 WIRE 32 -288 32 -400 WIRE -480 -256 -480 -400 WIRE -288 -240 -304 -240 WIRE -272 -240 -288 -240 WIRE -32 -240 -272 -240 WIRE 640 -208 640 -224 WIRE -528 -192 -560 -192 WIRE -288 -176 -288 -240 WIRE -208 -176 -208 -192 WIRE -208 -176 -288 -176 WIRE 800 -160 800 -400 WIRE 32 -112 32 -192 WIRE 304 -112 32 -112 WIRE 432 -112 304 -112 WIRE 528 -112 432 -112 WIRE 736 -112 528 -112 WIRE 896 -96 896 -400 WIRE 800 -48 800 -64 WIRE 800 -48 208 -48 WIRE 832 -48 800 -48 WIRE 304 -32 304 -112 WIRE 528 -32 528 -112 WIRE 432 16 432 -112 WIRE 640 16 640 -144 WIRE 640 16 592 16 WIRE 640 32 640 16 WIRE -208 48 -208 -176 WIRE -208 48 -400 48 WIRE 304 64 304 48 WIRE 368 64 304 64 WIRE -608 96 -608 -400 WIRE -480 96 -480 -160 WIRE -464 96 -480 96 WIRE -208 96 -208 48 WIRE 640 128 640 112 WIRE 896 128 896 0 WIRE 896 128 640 128 WIRE -368 144 -368 -192 WIRE -368 144 -400 144 WIRE -272 144 -368 144 WIRE 528 144 528 64 WIRE 800 144 800 -48 WIRE 896 144 896 128 WIRE -64 192 -208 192 WIRE -208 208 -208 192 WIRE 528 240 528 224 WIRE 800 240 800 224 WIRE 800 240 528 240 WIRE 896 240 896 224 WIRE 896 240 800 240 WIRE 928 240 896 240 WIRE -64 256 -64 192 WIRE 896 288 896 240 WIRE -208 304 -208 288 WIRE -128 304 -208 304 WIRE -208 320 -208 304 WIRE 304 320 304 64 WIRE 384 320 304 320 WIRE 384 336 384 320 WIRE 208 368 208 -48 WIRE 304 368 304 320 WIRE -480 416 -480 96 WIRE -368 416 -368 144 WIRE -208 416 -208 400 WIRE 48 416 -208 416 WIRE 144 416 128 416 WIRE 384 416 384 400 WIRE 384 416 368 416 WIRE 736 416 384 416 WIRE 896 416 896 368 WIRE 896 416 816 416 WIRE -208 432 -208 416 WIRE 256 464 208 464 WIRE 304 464 256 464 WIRE -208 528 -208 512 WIRE -128 528 -208 528 WIRE -208 544 -208 528 WIRE 256 544 256 464 WIRE 896 544 896 416 WIRE -128 592 -128 528 WIRE -128 592 -144 592 WIRE 192 592 -128 592 WIRE 32 624 32 -112 WIRE -208 656 -208 640 WIRE -128 656 -208 656 WIRE -208 672 -208 656 WIRE -64 672 -64 352 WIRE -32 672 -64 672 WIRE -64 688 -64 672 WIRE 256 688 256 640 WIRE -128 720 -128 656 WIRE -128 720 -144 720 WIRE -608 784 -608 160 WIRE -560 784 -560 -192 WIRE -560 784 -608 784 WIRE -480 784 -480 480 WIRE -480 784 -560 784 WIRE -368 784 -368 480 WIRE -368 784 -480 784 WIRE -208 784 -208 768 WIRE -208 784 -368 784 WIRE -64 784 -64 768 WIRE -64 784 -208 784 WIRE 32 784 32 720 WIRE 32 784 -64 784 WIRE 256 784 256 768 WIRE 256 784 32 784 WIRE 432 784 432 112 WIRE 432 784 256 784 WIRE 896 784 896 624 WIRE 896 784 432 784 WIRE 928 784 896 784 FLAG 928 240 out FLAG 928 -400 in FLAG 928 784 ref FLAG 336 -320 0 FLAG 656 704 0 FLAG 1008 352 0 FLAG 1008 272 out FLAG 656 624 ref SYMBOL res -224 416 R0 SYMATTR InstName R1 SYMATTR Value 3k89 SYMBOL res -224 304 R0 SYMATTR InstName R2 SYMATTR Value 3k41 SYMBOL res -224 192 R0 SYMATTR InstName R3 SYMATTR Value 576 SYMBOL res -384 -400 R0 SYMATTR InstName R4 SYMATTR Value 418 SYMBOL res -80 672 R0 SYMATTR InstName R5 SYMATTR Value 7k8 SYMBOL res 240 672 R0 SYMATTR InstName R6 SYMATTR Value 2k84 SYMBOL res 144 400 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R7 SYMATTR Value 13k SYMBOL res 832 400 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R8 SYMATTR Value 15k SYMBOL res 288 -48 R0 SYMATTR InstName R9 SYMATTR Value 5k76 SYMBOL res 784 128 R0 SYMATTR InstName R10 SYMATTR Value 2k5 SYMBOL res 880 128 R0 SYMATTR InstName R11 SYMATTR Value 1r9 SYMBOL res 880 272 R0 SYMATTR InstName R12 SYMATTR Value 14k1 SYMBOL res 880 528 R0 SYMATTR InstName R13 SYMATTR Value 2k23 SYMBOL res 624 -320 R0 SYMATTR InstName R14 SYMATTR Value 5k SYMBOL res 656 128 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R15 SYMATTR Value 100 SYMBOL zener -464 480 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D1 SYMATTR Value ZD SYMBOL zener -352 480 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D2 SYMATTR Value ZD SYMBOL zener 656 -144 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D3 SYMATTR Value ZD SYMBOL zener 656 -320 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D4 SYMATTR Value ZD SYMBOL njf -528 -256 R0 SYMATTR InstName J1 SYMBOL pnp -304 -192 R180 SYMATTR InstName Q1 SYMATTR Value SPL SYMBOL pnp -272 -192 M180 SYMATTR InstName Q2 SYMATTR Value SPL 2 SYMBOL pnp -32 -192 M180 SYMATTR InstName Q3 SYMATTR Value SPL SYMBOL pnp -128 352 M180 SYMATTR InstName Q4 SYMATTR Value SPL SYMBOL pnp 368 112 M180 SYMATTR InstName Q5 SYMATTR Value SPL SYMBOL npn -464 48 R0 SYMATTR InstName Q6 SYMATTR Value SNL SYMBOL npn -272 96 R0 SYMATTR InstName Q7 SYMATTR Value SNL SYMBOL npn -144 672 M0 SYMATTR InstName Q8 SYMATTR Value SNL SYMBOL npn -144 544 M0 SYMATTR InstName Q9 SYMATTR Value SNL SYMBOL npn 192 544 R0 SYMATTR InstName Q10 SYMATTR Value SNL SYMBOL npn -32 624 R0 SYMATTR InstName Q11 SYMATTR Value SNL SYMBOL npn 144 368 R0 SYMATTR InstName Q12 SYMATTR Value SNL SYMBOL npn 368 368 M0 SYMATTR InstName Q13 SYMATTR Value SNL SYMBOL npn 592 -32 M0 SYMATTR InstName Q14 SYMATTR Value SNL SYMBOL npn 736 -160 R0 SYMATTR InstName Q15 SYMATTR Value SNL 4 SYMBOL npn 832 -96 R0 SYMATTR InstName Q16 SYMATTR Value SNL 16 SYMBOL cap 368 336 R0 SYMATTR InstName C1 SYMATTR Value 5p SYMBOL res 512 128 R0 SYMATTR InstName R16 SYMATTR Value 100 SYMBOL voltage 336 -416 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value PULSE(0 40 0 1) SYMBOL res 992 256 R0 SYMATTR InstName R17 SYMATTR Value 240 SYMBOL voltage 656 608 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 0 SYMBOL diode -592 160 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D5 TEXT 944 72 Left 0 !.tran 1 TEXT -696 -672 Left 0 !.model NJF NJF(Beta=50u Betatce=-.5 Rd=10 Rs=10 Lambda=1m Vto=-5 Vtotc=-2.5m Is=33f Isr=300f Alpha=300u Vk=200 Cgd=1p Cgs=2p) TEXT -688 -616 Left 0 !.model SNL NPN(IS=18f ISE=3E-16 NE=1.4 BF=200 IKF=50m VAF=60 ISC=16f NC=1.7 BR=4 IKR=0.01 VAR=10 RB=10 IRB=5.00E-06 RBM=5 RE=0.7 RC=1 XTI=3 CJE=12p VJE=0.7579 MJE=0.366 TF=50p XTF=9.51 VTF=2.9 ITF=0.31 PTF=0 CJC=4p VJC=0.5463 MJC=0.39 XCJC=0.62 TR=90n CJS=8p VJS=0.75 MJS=0.333 FC=0.97) TEXT -672 -552 Left 0 !.model SPL PNP(IS=19f ISE=.6f NE=1.45 BF=200 IKF=50m VAF=60 ISC=16f NC=1.15 BR=4 IKR=20m VAR=9 RB=10 IRB=5u RBM=5u RE=0.7 RC=1 XTI=3 CJE=12p VJE=0.7071 MJE=0.38 TF=660p XTF=5.4 VTF=6.3 ITF=200m CJC=7p VJC=0.495 MJC=0.44 XCJC=0.629 TR=55n CJS=20p VJS=750m MJS=0.333 FC=0.906) TEXT -664 -488 Left 0 !.model ZD D(Is=1.5n Rs=.5 Cjo=22p nbv=3 bv=6 Ibv=100u) TEXT 768 480 Left 0 ;Vout R22\n5 1k17\n6 1k85\n8 3k2\n10 4k58\n12 5k93 \n15 8k\n18 10k\n24 14k1