Version 4 SHEET 1 4512 1860 WIRE 320 32 240 32 WIRE 448 32 320 32 WIRE 640 32 448 32 WIRE 640 48 640 32 WIRE 448 128 448 32 WIRE 640 176 640 128 WIRE 640 176 512 176 WIRE 640 256 640 176 WIRE 240 304 240 32 WIRE 448 304 448 224 WIRE 576 304 448 304 WIRE 448 368 448 304 WIRE 640 400 640 352 WIRE 704 400 640 400 WIRE 640 448 640 400 WIRE 240 544 240 384 WIRE 448 544 448 448 WIRE 448 544 240 544 WIRE 640 544 640 528 WIRE 640 544 448 544 WIRE 112 688 80 688 WIRE 320 688 192 688 WIRE 496 688 320 688 WIRE 688 688 496 688 WIRE 320 720 320 688 WIRE 496 784 496 688 WIRE 320 832 320 800 WIRE 384 832 320 832 WIRE 432 832 384 832 WIRE 384 848 384 832 WIRE 688 880 688 688 WIRE 384 928 384 912 WIRE 496 928 496 880 WIRE 496 928 384 928 WIRE 560 928 496 928 WIRE 624 928 560 928 WIRE 560 944 560 928 WIRE 320 992 320 832 WIRE 432 1040 384 1040 WIRE 560 1040 560 1024 WIRE 560 1040 512 1040 WIRE 688 1040 688 976 WIRE 688 1040 560 1040 WIRE 688 1104 688 1040 WIRE 320 1216 320 1088 WIRE 688 1216 688 1184 WIRE 688 1216 320 1216 WIRE 880 1216 688 1216 WIRE 1040 1216 1040 1168 WIRE 1040 1216 960 1216 WIRE 1040 1232 1040 1216 WIRE 400 1328 224 1328 WIRE 416 1328 400 1328 WIRE 592 1328 416 1328 WIRE 1040 1328 1040 1312 WIRE 592 1344 592 1328 WIRE 400 1424 400 1328 WIRE 592 1472 592 1424 WIRE 592 1472 464 1472 WIRE 224 1520 224 1328 WIRE 592 1552 592 1472 WIRE 400 1600 400 1520 WIRE 528 1600 400 1600 WIRE 224 1648 224 1600 WIRE 336 1648 224 1648 WIRE 224 1680 224 1648 WIRE 592 1696 592 1648 WIRE 672 1696 592 1696 WIRE 400 1728 400 1696 WIRE 400 1728 288 1728 WIRE 592 1744 592 1696 WIRE 224 1840 224 1776 WIRE 400 1840 400 1808 WIRE 400 1840 224 1840 WIRE 592 1840 592 1824 WIRE 592 1840 400 1840 FLAG 448 544 0 FLAG 320 32 UB FLAG 704 400 Out FLAG 400 1840 0 FLAG 1040 1168 Out_2 FLAG 416 1328 UB FLAG 1040 1328 0 FLAG 672 1696 Out_3 FLAG 80 688 UB SYMBOL voltage 240 288 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 3 24 96 Invisible 2 SYMATTR Value PWL(0 0 .1 300) SYMATTR InstName V1 SYMBOL res 624 432 R0 SYMATTR InstName R_Last_1 SYMATTR Value {R_Last} SYMBOL res 624 32 R0 SYMATTR InstName R2 SYMATTR Value 100 SYMBOL pnp 512 224 R180 SYMATTR InstName Q1 SYMATTR Value BC556B SYMBOL pnp 576 352 M180 SYMATTR InstName Q2 SYMATTR Value KSA1381 SYMBOL res 432 352 R0 SYMATTR InstName R3 SYMATTR Value 1000k SYMBOL res 1024 1216 R0 SYMATTR InstName R_Last_2 SYMATTR Value {R_Last} SYMBOL res 576 1328 R0 SYMATTR InstName R1 SYMATTR Value 100 SYMBOL pnp 464 1520 R180 SYMATTR InstName Q3 SYMATTR Value BC556B SYMBOL pnp 528 1648 M180 SYMATTR InstName Q4 SYMATTR Value KSA1381 SYMBOL res 208 1504 R0 SYMATTR InstName R4 SYMATTR Value 1000k SYMBOL npn 336 1600 R0 SYMATTR InstName Q5 SYMATTR Value QBF422 SYMBOL npn 288 1680 M0 SYMATTR InstName Q6 SYMATTR Value BC546A SYMBOL res 384 1712 R0 SYMATTR InstName R5 SYMATTR Value 1k2 SYMBOL npn 624 880 R0 SYMATTR InstName Q7 SYMATTR Value QBF469 SYMBOL res 672 1088 R0 SYMATTR InstName R6 SYMATTR Value 100 SYMBOL res 304 704 R0 SYMATTR InstName R7 SYMATTR Value 220k SYMBOL npn 384 992 M0 SYMATTR InstName Q8 SYMATTR Value QBF422 SYMBOL res 416 1056 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R8 SYMATTR Value 1k SYMBOL npn 432 784 R0 SYMATTR InstName Q9 SYMATTR Value QBF422 SYMBOL res 544 928 R0 SYMATTR InstName R9 SYMATTR Value 220k SYMBOL cap 368 848 R0 SYMATTR InstName C1 SYMATTR Value 1n SYMBOL ind 864 1232 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 0.1µ SYMBOL ind 96 704 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 WINDOW 39 -16 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 0.1µ SYMATTR SpiceLine Rser=0.1 SYMBOL res 576 1728 R0 SYMATTR InstName R_Last_3 SYMATTR Value {R_Last} TEXT 232 -32 Left 2 !.dc V1 0 300 1 TEXT 400 -32 Left 2 !.step param R_last 1k 50k 10k TEXT 344 712 Left 2 ;0.2W TEXT 760 848 Left 2 ;3W TEXT 936 -88 Left 1 !*\n.MODEL QBF422 NPN(\n+ IS=7.974E-15\n+ NF=0.993\n+ ISE=2.266E-16\n+ NE=1.18\n+ BF=122\n+ IKF=0.01029\n+ VAF=25.51\n+ NR=0.999\n+ ISC=4.33E-12\n+ NC=1.397\n+ BR=6.235\n+ IKR=0.02746\n+ VAR=19.43\n+ RB=1\n+ IRB=1E-06\n+ RBM=0.5\n+ RE=0.3814\n+ RC=0.439\n+ XTB=0\n+ EG=1.11\n+ XTI=3\n+ CJE=1.742E-11\n+ VJE=0.4581\n+ MJE=0.3092\n+ TF=7.073E-10\n+ XTF=289.5\n+ VTF=6.144\n+ ITF=0.1495\n+ PTF=0\n+ CJC=5.045E-12\n+ VJC=0.197\n+ MJC=0.1947\n+ XCJC=0.1041\n+ TR=1E-08\n+ CJS=0\n+ VJS=0.75\n+ MJS=0.333\n+ FC = 0.8555)\n* TEXT 1200 -88 Left 1 !*\n.MODEL QBF469 NPN(\n+ IS=7.974E-15\n+ NF=0.993\n+ ISE=2.266E-16\n+ NE=1.18\n+ BF=122\n+ IKF=0.01029\n+ VAF=25.51\n+ NR=0.999\n+ ISC=4.33E-12\n+ NC=1.397\n+ BR=6.235\n+ IKR=0.02746\n+ VAR=19.43\n+ RB=1\n+ IRB=1E-06\n+ RBM=0.5\n+ RE=0.3814\n+ RC=0.439\n+ XTB=0\n+ EG=1.11\n+ XTI=3\n+ CJE=1.742E-11\n+ VJE=0.4581\n+ MJE=0.3092\n+ TF=7.073E-10\n+ XTF=289.5\n+ VTF=6.144\n+ ITF=0.1495\n+ PTF=0\n+ CJC=5.045E-12\n+ VJC=0.197\n+ MJC=0.1947\n+ XCJC=0.1041\n+ TR=1E-08\n+ CJS=0\n+ VJS=0.75\n+ MJS=0.333\n+ FC = 0.8555)\n* TEXT 1456 -64 Left 1 !.MODEL KSA1381 pnp\n+ IS = 2.7544E-13\n+ BF = 134\n+ BR = 0.092\n+ ISE = 9.0546E-14\n+ NE = 1.5\n+ ISC = 5.24807E-13\n+ NC = 2\n+ VAF = 100\n+ VAR = 100\n+ IKF = 0.4063\n+ IKR = 0.57544\n+ RB = 0.18\n+ RE = 0.018\n+ RC = 3.72\n+ CJE = 9.572E-12\n+ VJE = 0.748\n+ MJE = 0.371\n+ FC = 0.5\n+ CJC = 1.147E-11\n+ VJC = 0.541\n+ MJC = 0.329\n+ TF = 8.262E-10\n+ XTB = 0.907\n+ EG = 0.62\n+ XTI = 3 LINE Normal 704 896 704 800 LINE Normal 720 896 704 896 LINE Normal 736 848 720 864 LINE Normal 720 832 736 848 LINE Normal 736 816 720 832 LINE Normal 720 800 736 816 LINE Normal 704 800 720 800 LINE Normal 736 880 720 864 LINE Normal 720 896 736 880 RECTANGLE Normal 816 1264 224 640