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-1360 "Ic(Q11)" DATAFLAG -6432 -1360 "Ic(Q9)" DATAFLAG -6784 -1472 "Ic(Q6)" DATAFLAG -7344 -816 "round(Ic(Q3)*100k)/100k" DATAFLAG -6944 -1472 "Ic(Q13)" SYMBOL npn -7488 -1056 R0 SYMATTR InstName Q1 SYMATTR Value MPSA18 SYMBOL npn -7200 -1056 M0 SYMATTR InstName Q2 SYMATTR Value MPSA18 SYMBOL voltage -7808 -1184 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 27 SYMBOL voltage -7808 -816 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 27 SYMBOL res -7536 -976 R0 SYMATTR InstName R7 SYMATTR Value 10k SYMBOL cap -7536 -1024 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value 100µ SYMBOL voltage -7664 -992 R0 WINDOW 3 -44 172 Left 0 WINDOW 123 25 96 Left 0 WINDOW 39 -44 200 Left 0 SYMATTR Value PULSE(-1 1 1u 1u 1u 500u 1m) SYMATTR Value2 AC 0 SYMATTR SpiceLine Rser=100 SYMATTR InstName V3 SYMBOL pnp -6848 -1248 M180 SYMATTR InstName Q6 SYMATTR Value BC556B SYMBOL res -6800 -1440 R0 SYMATTR InstName R4 SYMATTR Value 68 SYMBOL res -6800 -1168 R0 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL res -6800 -976 R0 SYMATTR InstName R8 SYMATTR Value 390 SYMBOL npn -6848 -752 R0 SYMATTR InstName Q7 SYMATTR Value BC337-40 SYMBOL res -6800 -656 R0 SYMATTR InstName R9 SYMATTR Value 68 SYMBOL diode -6976 -624 R0 SYMATTR InstName D3 SYMBOL diode -6976 -688 R0 SYMATTR InstName D4 SYMBOL res -6976 -848 R0 SYMATTR InstName R10 SYMATTR Value 10k SYMBOL npn -6784 -1072 R0 SYMATTR InstName Q8 SYMATTR Value BD437 SYMBOL npn -6496 -1296 R0 SYMATTR InstName Q9 SYMATTR Value mje15030 SYMBOL pnp -6496 -704 M180 SYMATTR InstName Q10 SYMATTR Value mje15031 SYMBOL res -6864 -1024 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R13 SYMATTR Value 20k SYMBOL res -7120 -896 M180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R14 SYMATTR Value 2.2k SYMBOL npn -6256 -1232 R0 SYMATTR InstName Q11 SYMATTR Value mjl3281a_x SYMBOL pnp -6256 -784 M180 SYMATTR InstName Q12 SYMATTR Value mjl1302a_x SYMBOL res -6208 -1136 R0 SYMATTR InstName R15 SYMATTR Value 0.2 SYMBOL res -6208 -992 R0 SYMATTR InstName R16 SYMATTR Value 0.2 SYMBOL cap -7120 -896 R0 WINDOW 3 34 52 Left 0 SYMATTR Value 220µ SYMATTR InstName C2 SYMBOL pnp -6992 -1200 M180 WINDOW 0 -43 75 Left 0 WINDOW 3 -43 114 Left 0 SYMATTR InstName Q13 SYMATTR Value BC556B SYMBOL res -6944 -1440 R0 SYMATTR InstName R17 SYMATTR Value 1k SYMBOL cap -6896 -1120 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C3 SYMATTR Value {CF} SYMBOL cap -6896 -944 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C4 SYMATTR Value 1f SYMBOL res -6016 -1008 R0 SYMATTR InstName RL SYMATTR Value 4 SYMBOL diode -7216 -624 R0 SYMATTR InstName D1 SYMBOL diode -7216 -720 R0 SYMATTR InstName D2 SYMBOL res -7216 -864 R0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL npn -7280 -800 M0 WINDOW 0 58 43 Left 0 SYMATTR InstName Q3 SYMATTR Value BC337-40 SYMBOL res -7360 -704 R0 SYMATTR InstName R5 SYMATTR Value 470 SYMBOL pnp -7328 -1232 M180 SYMATTR InstName Q4 SYMATTR Value BC327-40 SYMBOL pnp -7360 -1232 R180 SYMATTR InstName Q5 SYMATTR Value BC327-40 SYMBOL res -7440 -1440 R0 SYMATTR InstName R12 SYMATTR Value 200 SYMBOL res -7280 -1440 R0 SYMATTR InstName R19 SYMATTR Value 200 SYMBOL res -7360 -960 R0 SYMATTR InstName R18 SYMATTR Value 1 SYMBOL res -6448 -1152 R0 SYMATTR InstName R11 SYMATTR Value 47 SYMBOL res -6448 -992 R0 SYMATTR InstName R20 SYMATTR Value 47 SYMBOL voltage -6592 -1008 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 -32 56 VBottom 0 WINDOW 123 -85 60 VTop 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V4 SYMATTR Value 0 SYMATTR Value2 AC 1 SYMBOL cap -6672 -1184 R0 SYMATTR InstName C5 SYMATTR Value 100n SYMBOL cap -5920 -992 R0 SYMATTR InstName CL SYMATTR Value 470p TEXT -7792 -1544 Left 0 !.tran 0 1m 0 .1u TEXT -7792 -1576 Left 0 ;.ac dec 1000 1 10Meg TEXT -8008 -520 Left 0 !.model MPSA18 NPN(Is=33.58f Xti=3 Eg=1.11 Vaf=100 Bf=2.365K Ne=1.579\n+Ise=166.7f Ikf=.1172 Xtb=1.5 Br=5.774 Nc=2 Isc=0 Ikr=0 Rc=1\n+Cjc=4.948p Mjc=.4109 Vjc=.75 Fc=.5 Cje=7.547p Mje=.3765 Vje=.75\n+Tr=800.3p Tf=310.1p Itf=.6 Vtf=6 Xtf=35 Rb=10) TEXT -7344 -248 Left 0 !.MODEL mjl3281a_x npn IS=9.8145e-12 BF=438.0 NF=1.00 VAF=38 IKF=19.0 ISE=1.0e-12 NE=1.1237388682 BR=4.98985 NR=1.09511 \n+ VAR=4.32026 IKR=4.37516 ISC=3.25e-13 NC=3.96875 RB=3.997 RE=0.00 RC=0.06 XTB=0.115253 XTI=1.03146 EG=1.11986 \n+ CJE=1.144e-08 VJE=0.468574 MJE=0.34957 TF=2.6769e-9 XTF=7500 VTF=3.0 ITF=1000 CJC=1.093685e-9 VJC=0.623643 MJC=0.482111 \n+ XCJC=0.959922 FC=0.1 CJS=0 VJS=0.75 MJS=0.5 TR=1e-07 PTF=0 KF=0 AF=1 Vceo=200 Icrating=15 mfg=OnSemiconductor TEXT -7352 -112 Left 0 !.MODEL mjl1302a_x pnp IS=9.8145e-12 BF=122.925 NF=1.00 VAF=40 IKF=19 ISE=9.18577762370362E-07 NE=5.0 BR=4.98985 NR=1.09511 \n+ VAR=4.32026 IKR=4.37516 ISC=3.25e-13 NC=3.96875 RB=3.30 RE=0.00 RC=0.06 XTB=0.115253 XTI=1.03146 EG=1.11986 CJE=1.561e-08 \n+ VJE=0.781803 MJE=0.433868 TF=3.257e-9 XTF=1000 VTF=2.0 ITF=260 CJC=2.346838e-9 VJC=0.27876 MJC=0.411324 XCJC=0.959922 \n+ FC=0.1 CJS=0 VJS=0.75 MJS=0.5 TR=1e-07 PTF=0 KF=0 AF=1 Vceo=200 Icrating=15 mfg=OnSemiconductor TEXT -7512 -1568 Left 0 !.four 1k V(out)\n.options plotwinsize=0 TEXT -8016 -352 Left 0 !.MODEL mje15030 npn\n+IS=3.894e-11 BF=312.524 NF=1.0979 VAF=9.9963\n+IKF=0.796201 ISE=2.37397e-09 NE=1.94897 BR=0.14246\n+NR=1.64791 VAR=99.9749 IKR=0.00539895 ISC=2.33175e-09\n+NC=2.79024 RB=267.202 IRB=9.99994e-13 RBM=0.299835\n+RE=3.04316e-05 RC=0.252928 XTB=0.1 XTI=3.92812\n+EG=1.05 CJE=2.42998e-09 VJE=0.794171 MJE=0.569313\n+TF=1.87986e-09 XTF=1000 VTF=1835.34 ITF=270.188\n+CJC=2.43127e-10 VJC=0.4 MJC=0.361453 XCJC=0.802892\n+FC=0.8 CJS=0 VJS=0.75 MJS=0.5\n+TR=9.86194e-06 PTF=0 KF=0 AF=1 TEXT -8024 104 Left 0 !.MODEL mje15031 pnp\n+IS=7.17489e-11 BF=457.169 NF=1.11376 VAF=6.01557\n+IKF=0.345808 ISE=1e-08 NE=2.18567 BR=0.247882\n+NR=1.39549 VAR=60.1557 IKR=0.0263893 ISC=1e-16\n+NC=2.89486 RB=2.29208 IRB=0.0114006 RBM=0.000102795\n+RE=0.00815557 RC=0.0407779 XTB=0.1 XTI=0.1\n+EG=1.05 CJE=1.64037e-09 VJE=0.819491 MJE=0.537987\n+TF=1.60991e-09 XTF=180.82 VTF=1.16561 ITF=6.50499\n+CJC=4.82516e-10 VJC=0.4 MJC=0.374287 XCJC=0.786653\n+FC=0.712788 CJS=0 VJS=0.75 MJS=0.5\n+TR=3.32795e-08 PTF=0 KF=0 AF=1 TEXT -8008 464 Left 0 !.MODEL BD438 pnp\n+IS=5.98934e-11 BF=183.991 NF=1.127 VAF=21.7853\n+IKF=6.2324 ISE=4.75017e-12 NE=3.46873 BR=3.76807\n+NR=0.753494 VAR=6.28524 IKR=3.28572 ISC=4.75e-13\n+NC=3.96875 RB=13.6523 IRB=0.1 RBM=0.108939\n+RE=0.000637295 RC=0.00318648 XTB=0.104451 XTI=1\n+EG=1.1019 CJE=4.99274e-08 VJE=0.606966 MJE=0.432728\n+TF=1e-08 XTF=1.36423 VTF=0.997185 ITF=0.986562\n+CJC=4.44441e-10 VJC=0.40011 MJC=0.4107 XCJC=0.803121\n+FC=0.574598 CJS=0 VJS=0.75 MJS=0.5\n+TR=1e-07 PTF=0 KF=0 AF=1 TEXT -7280 480 Left 0 !.MODEL TIP3055 npn\n+IS=9.20807e-13 BF=147.096 NF=1.04318 VAF=378.469\n+IKF=10 ISE=6.09693e-09 NE=2.4688 BR=14.7096\n+NR=1.5 VAR=149.08 IKR=3.14824 ISC=1e-16\n+NC=1 RB=14.1904 IRB=0.1 RBM=0.1\n+RE=0.036413 RC=0.182065 XTB=0.1 XTI=3.71709\n+EG=1.05 CJE=7.39634e-08 VJE=0.531216 MJE=0.573868\n+TF=1e-08 XTF=1.35738 VTF=0.997148 ITF=0.99974\n+CJC=4.44315e-10 VJC=0.400241 MJC=0.410047 XCJC=0.803124\n+FC=0.653134 CJS=0 VJS=0.75 MJS=0.5\n+TR=1e-07 PTF=0 KF=0 AF=1 TEXT -7312 104 Left 0 !.MODEL TIP2955 pnp\n+IS=9.73033e-13 BF=139.321 NF=0.705063 VAF=537.022\n+IKF=11.9427 ISE=8.51339e-09 NE=1.71065 BR=13.9321\n+NR=1.5 VAR=185.952 IKR=3.70468 ISC=1e-16\n+NC=1.31102 RB=20.1463 IRB=0.1 RBM=0.1\n+RE=0.0507364 RC=0.253682 XTB=0.1 XTI=3.67928\n+EG=1.05 CJE=9.53946e-08 VJE=0.426507 MJE=0.675433\n+TF=1e-08 XTF=1.35754 VTF=0.998574 ITF=0.999498\n+CJC=4.44708e-10 VJC=0.400409 MJC=0.409494 XCJC=0.803124\n+FC=0.71051 CJS=0 VJS=0.75 MJS=0.5\n+TR=1e-07 PTF=0 KF=0 AF=1 TEXT -6520 456 Left 0 !.MODEL TIP41C npn\n+IS=7.55826e-11 BF=260.542 NF=1.11221 VAF=100\n+IKF=0.526814 ISE=1e-08 NE=2.18072 BR=26.0542\n+NR=1.5 VAR=1000 IKR=3.54059 ISC=1e-08\n+NC=1.63849 RB=4.56157 IRB=0.1 RBM=0.1\n+RE=0.0162111 RC=0.0810556 XTB=0.1 XTI=1\n+EG=1.206 CJE=1.93296e-10 VJE=0.4 MJE=0.259503\n+TF=1e-08 XTF=4.06972 VTF=7.1157 ITF=0.001\n+CJC=1.09657e-10 VJC=0.730921 MJC=0.23 XCJC=0.803085\n+FC=0.8 CJS=0 VJS=0.75 MJS=0.5\n+TR=9.01013e-08 PTF=0 KF=0 AF=1 TEXT -6544 72 Left 0 !.MODEL tip42c pnp\n+IS=5.65618e-10 BF=120.073 NF=1.24004 VAF=90.6071\n+IKF=1.46498 ISE=6.98929e-14 NE=4 BR=2.83268\n+NR=1.30331 VAR=27.1221 IKR=10 ISC=6.98934e-14\n+NC=3.78125 RB=4.71382 IRB=0.234602 RBM=0.12691\n+RE=0.000666374 RC=0.0927424 XTB=3.21145 XTI=1\n+EG=1.05 CJE=1.93221e-10 VJE=0.4 MJE=0.259369\n+TF=9.99163e-09 XTF=4.41941 VTF=6.53488 ITF=0.001\n+CJC=1.0962e-10 VJC=0.731968 MJC=0.23 XCJC=0.799902\n+FC=0.799995 CJS=0 VJS=0.75 MJS=0.5\n+TR=1e-07 PTF=0 KF=0 AF=1\n* Model generated on Dec 22, 2003\n* Model format: PSpice TEXT -7352 -408 Left 0 !.model BD437 NPN( IS=3.26539e-14 BF=162.483 NF=0.912424 VAF=10 IKF=10 ISE=7.08133e-13 NE=3.85752 \n+ BR=3.14245 NR=0.75 VAR=27.661 IKR=3.09536 ISC=2.67238e-16 NC=1.11938 RB=20.4443 IRB=0.1 \n+ RBM=0.208914 RE=0.0001 RC=0.001 XTB=2.24115 XTI=3.99739 EG=1.05 CJE=6.55858e-09 VJE=0.547017 \n+ MJE=0.550043 TF=1e-08 XTF=1.74258 VTF=1.0222 ITF=0.611294 CJC=3.16048e-10 VJC=0.600226 MJC=0.409625 \n+ XCJC=0.799467 FC=0.653699 CJS=0 VJS=0.75 MJS=0.5 TR=1e-07 PTF=0 KF=0 AF=1 Vceo=45 Icrating=4000m mfg=On_Semiconductor) TEXT -6624 -1472 Left 0 ;Loopgain Probe TEXT -7792 -1608 Left 0 ;.step param CF list 1f 100p 220p 330p 470p ; ac TEXT -7784 -1656 Left 0 ;Loopgain Plot: -V(out)/V(y) TEXT -7792 -1480 Left 0 !.step param CF list 220p 330p 470p ; tran TEXT -7792 -1512 Left 0 !.param CF=470p TEXT -7720 -752 Left 0 ;SINE(0 1 1k) LINE Normal -6544 -1088 -6544 -1474 LINE Normal -6528 -1104 -6544 -1088 LINE Normal -6544 -1088 -6528 -1104 LINE Normal -6560 -1104 -6544 -1088