Version 4 SHEET 1 5180 2004 WIRE -224 -144 -224 -176 WIRE -224 -144 -480 -144 WIRE -96 -144 -224 -144 WIRE -224 -96 -224 -144 WIRE -480 -48 -480 -64 WIRE -288 -48 -480 -48 WIRE -480 -32 -480 -48 WIRE -720 -16 -720 -112 WIRE -96 0 -96 -144 WIRE -224 48 -224 0 WIRE -160 48 -224 48 WIRE -720 80 -720 64 WIRE -480 80 -480 48 WIRE -224 80 -224 48 WIRE -1296 192 -1440 192 WIRE -1280 192 -1296 192 WIRE -1200 192 -1200 160 WIRE -1200 192 -1232 192 WIRE -1088 192 -1200 192 WIRE -976 192 -1008 192 WIRE -816 192 -976 192 WIRE -480 208 -480 144 WIRE -480 208 -752 208 WIRE -224 208 -224 160 WIRE -96 208 -96 96 WIRE -96 208 -224 208 WIRE 48 208 -96 208 WIRE 128 208 112 208 WIRE 160 208 128 208 WIRE 256 208 240 208 WIRE -816 224 -832 224 WIRE -1200 240 -1200 192 WIRE -224 240 -224 208 WIRE -976 272 -976 256 WIRE -1440 288 -1440 272 WIRE -1280 288 -1440 288 WIRE -480 288 -480 208 WIRE -96 304 -96 208 WIRE -48 304 -96 304 WIRE -1440 320 -1440 288 WIRE -96 368 -96 304 WIRE -480 384 -480 352 WIRE -224 416 -224 320 WIRE -160 416 -224 416 WIRE -832 432 -832 224 WIRE -832 432 -928 432 WIRE -224 448 -224 416 WIRE -928 464 -928 432 WIRE -480 496 -480 464 WIRE -288 496 -480 496 WIRE -480 512 -480 496 WIRE -928 560 -928 544 WIRE -224 592 -224 544 WIRE -224 592 -480 592 WIRE -96 592 -96 464 WIRE -96 592 -224 592 WIRE -96 608 -96 592 WIRE -752 688 -752 432 WIRE -48 688 -48 304 WIRE -48 688 -752 688 WIRE 400 752 400 720 WIRE 400 752 272 752 WIRE 656 752 400 752 WIRE 400 800 400 752 WIRE 656 848 656 832 WIRE 656 848 464 848 WIRE 656 864 656 848 WIRE 272 896 272 752 WIRE 400 944 400 896 WIRE 400 944 336 944 WIRE 400 976 400 944 WIRE 656 976 656 944 WIRE 272 1104 272 992 WIRE 400 1104 400 1056 WIRE 400 1104 272 1104 WIRE 656 1104 656 1040 WIRE 912 1104 656 1104 WIRE 400 1136 400 1104 WIRE 656 1184 656 1104 WIRE 272 1200 272 1104 WIRE 272 1200 176 1200 WIRE 272 1264 272 1200 WIRE 656 1280 656 1248 WIRE 400 1312 400 1216 WIRE 400 1312 336 1312 WIRE 400 1344 400 1312 WIRE 656 1392 656 1360 WIRE 656 1392 464 1392 WIRE 656 1408 656 1392 WIRE -368 1456 -400 1456 WIRE 176 1456 176 1200 WIRE 176 1456 -288 1456 WIRE 272 1488 272 1360 WIRE 400 1488 400 1440 WIRE 400 1488 272 1488 WIRE 656 1488 400 1488 WIRE 272 1504 272 1488 WIRE -752 1536 -752 688 WIRE -496 1536 -752 1536 WIRE -400 1536 -400 1456 WIRE -400 1536 -416 1536 WIRE -352 1536 -400 1536 WIRE 912 1552 912 1104 WIRE 912 1552 -288 1552 WIRE -352 1568 -368 1568 WIRE -368 1632 -368 1568 WIRE -368 1632 -400 1632 WIRE -288 1632 -368 1632 FLAG -1200 320 0 FLAG -720 80 0 FLAG -784 176 0 FLAG -320 1584 0 FLAG -480 1632 0 FLAG -720 -112 vcc FLAG -1200 80 vcc FLAG -784 240 vcc FLAG -320 1520 vcc FLAG -208 1632 vcc FLAG -928 624 0 FLAG -1440 320 0 FLAG -976 272 0 FLAG -96 608 0 FLAG -224 -176 vcc FLAG 272 1504 0 FLAG 400 720 vcc FLAG 128 208 out FLAG 256 208 0 SYMBOL voltage -720 -32 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 24V SYMBOL cap -1232 176 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 470µ SYMBOL res -1216 64 R0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL res -1216 224 R0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL res -944 448 R0 SYMATTR InstName R3 SYMATTR Value 4k7 SYMBOL res -736 416 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 10k SYMBOL res -384 1616 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 10k SYMBOL res -192 1616 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R8 SYMATTR Value 10k SYMBOL res -400 1520 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 10k SYMBOL res -272 1440 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R10 SYMATTR Value 10k SYMBOL cap -944 560 R0 SYMATTR InstName C2 SYMATTR Value 100µ SYMBOL Opamps\\opamp2 -784 272 M180 SYMATTR InstName U1 SYMATTR Value ne5532 SYMBOL Opamps\\opamp2 -320 1488 R0 SYMATTR InstName U2 SYMATTR Value ne5532 SYMBOL voltage -1440 176 R0 WINDOW 123 6 110 Left 2 WINDOW 39 -24 -51 Left 2 WINDOW 3 -27 -20 Left 2 SYMATTR Value2 AC 1 SYMATTR SpiceLine Rser=100R SYMATTR Value SINE(0 2.8 100) SYMATTR InstName V3 SYMBOL res -992 176 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R11 SYMATTR Value 470R SYMBOL cap -992 192 R0 SYMATTR InstName C10 SYMATTR Value 3n3 SYMBOL npn -288 -96 R0 SYMATTR InstName Q1 SYMATTR Value BD137 SYMBOL npn -160 0 R0 SYMATTR InstName Q2 SYMATTR Value KT819 SYMBOL pnp -160 464 M180 SYMATTR InstName Q3 SYMATTR Value KT818 SYMBOL pnp -288 544 M180 SYMATTR InstName Q4 SYMATTR Value BD138 SYMBOL res -496 496 R0 SYMATTR InstName R5 SYMATTR Value 1k9 SYMBOL res -496 -160 R0 SYMATTR InstName R12 SYMATTR Value 1k9 SYMBOL diode -464 80 M0 SYMATTR InstName D11 SYMATTR Value 1N4148 SYMBOL diode -464 288 M0 SYMATTR InstName D12 SYMATTR Value 1N4148 SYMBOL res 256 192 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R13 SYMATTR Value 4R SYMBOL res -496 -48 R0 SYMATTR InstName R15 SYMATTR Value 100R SYMBOL res -496 368 R0 SYMATTR InstName R16 SYMATTR Value 100R SYMBOL res -240 64 R0 SYMATTR InstName R17 SYMATTR Value 22R SYMBOL res -240 224 R0 SYMATTR InstName R18 SYMATTR Value 22R SYMBOL npn 464 800 M0 SYMATTR InstName Q5 SYMATTR Value BD137 SYMBOL npn 336 896 M0 SYMATTR InstName Q6 SYMATTR Value KT819 SYMBOL pnp 336 1360 R180 SYMATTR InstName Q7 SYMATTR Value KT818 SYMBOL pnp 464 1440 R180 SYMATTR InstName Q8 SYMATTR Value BD138 SYMBOL res 672 1392 M0 SYMATTR InstName R6 SYMATTR Value 2k SYMBOL res 672 736 M0 SYMATTR InstName R14 SYMATTR Value 2k SYMBOL diode 640 976 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL diode 640 1184 R0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL res 672 848 M0 SYMATTR InstName R19 SYMATTR Value 100R SYMBOL res 672 1264 M0 SYMATTR InstName R20 SYMATTR Value 100R SYMBOL res 416 960 M0 SYMATTR InstName R21 SYMATTR Value 33R SYMBOL res 416 1120 M0 SYMATTR InstName R22 SYMATTR Value 33R SYMBOL cap 112 192 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 4700µ TEXT -80 -224 Left 2 !.tran 100m TEXT 336 -264 Left 2 !.lib n35532.sub TEXT 776 -304 Left 2 !.MODEL BD204 PNP(Is=66.19f Xti=3 Eg=1.11 Vaf=100 Bf=137.6 Ise=862.2f Ne=1.481 Ikf=1.642 Nk=.5695 Xtb=2 Br=5.88 Isc=273.5f Nc=1.24 Ikr=3.555 Rc=79.39m Cjc=870.4p Mjc=.6481 Vjc=.75 Fc=.5 Cje=390.1p Mje=.4343 Vje=.75 Tr=235.4n Tf=23.21n Itf=71.33 Xtf=5.982 Vtf=10 Rb=.1) TEXT 776 -344 Left 2 !.MODEL BD203 NPN(Is=457.5f Xti=3 Eg=1.11 Vaf=50 Bf=156.7 Ise=1.346p Ne=1.34 Ikf=3.296 Nk=.5961 Xtb=2.2 Br=7.639 Isc=604.1f Nc=2.168 Ikr=8.131m Rc=91.29m Cjc=278.7p Mjc=.385 Vjc=.75 Fc=.5 Cje=433p Mje=.5 Vje=.75 Tr=1.412u Tf=37.34n Itf=35.68 Xtf=1.163 Vtf=10 Rb=.1) TEXT 344 -360 Left 2 !;ac dec 1000 1 100k TEXT 776 -384 Left 2 !.MODEL BD137 NPN ( IS=2.3985E-13 BF=244.9 NF=1.0 BR=78.11 NR=1.007 ISE=1.0471E-14 NE=1.2 ISC=1.9314E-11 + NC=1.45 VAF=98.5 VAR=7.46 IKF=1.1863 IKR=0.1445 RB=2.14 RBM=0.001 IRB=0.031 RE=0.0832 RC=0.01 CJE=2.92702E-10 + VJE=0.67412 MJE=0.3300 FC=0.5 CJC=4.8831E-11 VJC=0.5258 MJC=0.3928 XCJC=0.5287 XTB=1.1398 EG=1.2105 XTI=3.0) TEXT 776 -416 Left 2 !.MODEL BD138 PNP ( IS=2.9537E-13 BF=201.4 NF=1.0 BR=23.765 NR=1.021 ISE=1.8002E-13 NE=1.5 ISC=7.0433E-12 + NC=1.38 VAF=137.0 VAR=8.41 IKF=1.0993 IKR=0.10 RB=1.98 RBM=0.01 IRB=0.011 RE=0.1109 RC=0.01 CJE=2.1982E-10 + VJE=0.7211 MJE=0.3685 FC=0.5 CJC=6.8291E-11 VJC=0.5499 MJC=0.3668 XCJC=0.5287 XTB=1.4883 EG=1.2343 XTI=3.0) TEXT 784 -216 Left 2 !.MODEL KT818 PNP (IS=368.821F BF=1.01029K VAF=100 IKF=463.629M ISE=52.8319P\n+ NE=1.64536 BR=2 IKR=9.16877K ISC=3.270898e-018 RC=85.4283M CJE=2.61852N\n+ VJE=700M MJE=499.936M CJC=1.14188N VJC=699.998M MJC=500.189M TF=41.8055N\n+ XTF=500.005M VTF=10 ITF=18.5428M TR=1.91831U TEXT 792 -80 Left 2 !.MODEL KT819 NPN (IS=100.322F BF=1.27854K VAF=100 IKF=248.419M ISE=310.997P\n+ NE=1.87564 BR=5 IKR=1000 ISC=1.151689e-019 NC=2 RE=36.0307M RC=47.1029M\n+ CJE=2.61852N VJE=700M MJE=499.936M CJC=1.71113N VJC=699.996M MJC=499.718M\n+ TF=14.7057N XTF=500M VTF=10 ITF=5.51246M TR=2.07368U) TEXT -72 -288 Left 2 !.four 100 V(out)