Version 4 SHEET 1 8780 796 WIRE -544 -608 -720 -608 WIRE -320 -608 -544 -608 WIRE 192 -608 -320 -608 WIRE 336 -608 192 -608 WIRE 608 -608 336 -608 WIRE -720 -592 -720 -608 WIRE -544 -576 -544 -608 WIRE -320 -576 -320 -608 WIRE -544 -480 -544 -496 WIRE -320 -480 -320 -496 WIRE -720 -432 -720 -464 WIRE -608 -432 -720 -432 WIRE -384 -432 -608 -432 WIRE 608 -400 608 -608 WIRE 608 -400 560 -400 WIRE -720 -384 -720 -432 WIRE 192 -352 192 -608 WIRE 608 -336 608 -400 WIRE -320 -304 -320 -384 WIRE -320 -304 -384 -304 WIRE -208 -304 -320 -304 WIRE 0 -304 -208 -304 WIRE 128 -304 0 -304 WIRE 336 -304 336 -608 WIRE 0 -272 0 -304 WIRE 272 -256 192 -256 WIRE -720 -240 -720 -304 WIRE -320 -240 -320 -304 WIRE 0 -176 0 -208 WIRE -384 -160 -384 -304 WIRE 96 -128 64 -128 WIRE 128 -128 96 -128 WIRE 336 -128 336 -208 WIRE 336 -128 208 -128 WIRE 384 -128 336 -128 WIRE -208 -112 -208 -304 WIRE -320 -64 -320 -160 WIRE -272 -64 -320 -64 WIRE 336 -64 336 -128 WIRE -544 -48 -544 -384 WIRE -544 -48 -816 -48 WIRE -320 -48 -320 -64 WIRE 96 -48 96 -128 WIRE 896 16 640 16 WIRE -816 32 -816 -48 WIRE -544 32 -544 -48 WIRE -384 48 -384 -96 WIRE -320 48 -320 32 WIRE -320 48 -384 48 WIRE -208 48 -208 -16 WIRE -208 48 -320 48 WIRE 448 48 400 48 WIRE 576 48 528 48 WIRE -224 112 -432 112 WIRE 0 112 0 -80 WIRE 0 112 -224 112 WIRE 96 112 96 32 WIRE 96 112 0 112 WIRE 336 112 336 16 WIRE 336 112 96 112 WIRE 400 112 400 48 WIRE 400 112 336 112 WIRE 576 112 576 48 WIRE 640 112 640 16 WIRE 640 112 576 112 WIRE 656 112 640 112 WIRE 720 112 656 112 WIRE -432 128 -432 112 WIRE 96 128 96 112 WIRE 656 144 656 112 WIRE 272 160 272 -256 WIRE 336 160 336 112 WIRE 400 160 400 112 WIRE 448 160 400 160 WIRE 576 160 576 112 WIRE 576 160 528 160 WIRE 896 176 896 16 WIRE -816 192 -816 112 WIRE -544 192 -544 112 WIRE 0 208 0 112 WIRE -1216 240 -1248 240 WIRE -1200 240 -1216 240 WIRE -1104 240 -1120 240 WIRE -1024 240 -1040 240 WIRE -1008 240 -1024 240 WIRE -912 240 -928 240 WIRE -880 240 -912 240 WIRE -432 240 -432 208 WIRE -432 240 -480 240 WIRE -432 256 -432 240 WIRE 96 256 96 208 WIRE 96 256 64 256 WIRE 144 256 96 256 WIRE 336 256 336 240 WIRE 336 256 224 256 WIRE 416 256 336 256 WIRE 656 256 656 224 WIRE -1024 288 -1024 240 WIRE -912 304 -912 240 WIRE -1216 320 -1216 240 WIRE 0 320 0 304 WIRE 336 336 336 256 WIRE 608 352 608 -256 WIRE 608 352 576 352 WIRE 624 352 608 352 WIRE 656 352 656 320 WIRE 656 352 624 352 WIRE 720 352 656 352 WIRE 576 368 576 352 WIRE -432 384 -432 336 WIRE 272 384 272 240 WIRE 272 384 192 384 WIRE -1216 400 -1248 400 WIRE -1024 400 -1024 368 WIRE -1024 400 -1216 400 WIRE -912 400 -912 368 WIRE -912 400 -1024 400 WIRE -912 416 -912 400 WIRE -320 432 -320 48 WIRE -224 432 -320 432 WIRE 0 432 0 384 WIRE 0 432 -224 432 WIRE 128 432 0 432 WIRE 624 448 624 352 WIRE 896 448 896 256 WIRE 896 448 624 448 WIRE -432 464 -432 448 WIRE -320 496 -320 432 WIRE 608 512 608 352 WIRE -224 544 -224 432 WIRE -816 592 -816 288 WIRE -384 592 -816 592 WIRE -320 592 -320 560 WIRE -320 592 -384 592 WIRE -288 592 -320 592 WIRE -816 656 -816 592 WIRE -224 656 -224 640 WIRE 608 672 608 592 WIRE 608 672 560 672 WIRE -384 688 -384 656 WIRE -816 768 -816 736 WIRE -544 768 -544 288 WIRE -544 768 -816 768 WIRE -384 768 -384 752 WIRE -384 768 -544 768 WIRE -224 768 -224 736 WIRE -224 768 -384 768 WIRE 192 768 192 480 WIRE 192 768 -224 768 WIRE 336 768 336 432 WIRE 336 768 192 768 WIRE 608 768 608 672 WIRE 608 768 336 768 FLAG 576 368 0 FLAG -432 464 0 FLAG -912 416 0 FLAG 720 112 out_plus IOPIN 720 112 Out FLAG 720 352 out_gnd IOPIN 720 352 Out FLAG -1248 240 in_plus IOPIN -1248 240 In FLAG -1248 400 in_gnd IOPIN -1248 400 In FLAG -720 -240 0 FLAG 384 -128 E_Q1 FLAG 416 256 E_Q2 FLAG 560 -400 +UB FLAG 560 672 -UB DATAFLAG -224 112 "" SYMBOL voltage 608 -352 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 25 SYMBOL voltage 608 496 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 25 SYMBOL res 320 -80 R0 SYMATTR InstName R1 SYMATTR Value .22 SYMBOL npn -272 -112 R0 WINDOW 0 72 68 Left 2 WINDOW 3 36 38 Left 2 SYMATTR InstName Q3 SYMATTR Value Qbd139 SYMBOL res -336 -64 R0 SYMATTR InstName R3 SYMATTR Value 1k SYMBOL res -336 -256 R0 SYMATTR InstName R4 SYMATTR Value 3k SYMBOL npn -288 544 R0 WINDOW 3 60 62 Left 2 SYMATTR Value Qbd139 SYMATTR InstName Q5 SYMBOL pnp -480 288 R180 SYMATTR InstName Q6 SYMATTR Value BC560C SYMBOL pnp -880 288 M180 SYMATTR InstName Q7 SYMATTR Value BC560C SYMBOL pnp -608 -384 M180 SYMATTR InstName Q8 SYMATTR Value BC556B SYMBOL res -560 -592 R0 SYMATTR InstName R10 SYMATTR Value 1k SYMBOL res -448 112 R0 SYMATTR InstName R14 SYMATTR Value 33.8k SYMBOL res -448 240 R0 SYMATTR InstName R15 SYMATTR Value 1.5k SYMBOL cap -448 384 R0 SYMATTR InstName C2 SYMATTR Value 10µ SYMBOL cap -336 496 R0 SYMATTR InstName C3 SYMATTR Value 100p SYMBOL npn 128 -352 R0 WINDOW 0 -22 31 Left 2 WINDOW 3 -94 77 Left 2 SYMATTR InstName Q9 SYMATTR Value Qbd139 SYMBOL pnp 128 480 M180 WINDOW 0 -88 20 Left 2 WINDOW 3 -90 73 Left 2 SYMATTR InstName Q10 SYMATTR Value Qbd140 SYMBOL res -1104 224 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 1k SYMBOL cap -1040 224 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 2.2µ SYMBOL res -1040 272 R0 SYMATTR InstName R8 SYMATTR Value 27k SYMBOL res -912 224 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R16 SYMATTR Value 6.8k SYMBOL cap -928 304 R0 SYMATTR InstName C4 SYMATTR Value 470p SYMBOL res 320 144 R0 SYMATTR InstName R2 SYMATTR Value .22 SYMBOL cap -400 -160 R0 SYMATTR InstName C5 SYMATTR Value 10µ SYMBOL res -832 16 R0 SYMATTR InstName R19 SYMATTR Value 300 SYMBOL res -560 16 R0 SYMATTR InstName R20 SYMATTR Value 300 SYMBOL pnp 272 432 M180 SYMATTR InstName Q2 SYMATTR Value Qmj15004 SYMBOL res 256 144 R0 WINDOW 0 -53 46 Left 2 WINDOW 3 -42 80 Left 2 SYMATTR InstName R17 SYMATTR Value 200 SYMBOL voltage -1216 304 R0 WINDOW 123 -123 11 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 8 9 Left 2 WINDOW 3 8 37 Left 2 SYMATTR Value2 AC 0.9 SYMATTR InstName V3 SYMATTR Value SINE(0 0.9 1k) SYMBOL pnp -384 -384 M180 SYMATTR InstName Q11 SYMATTR Value Qbd140 SYMBOL res -336 -592 R0 SYMATTR InstName R6 SYMATTR Value 68 SYMBOL res -736 -400 R0 SYMATTR InstName R9 SYMATTR Value 11k SYMBOL diode -400 592 R0 WINDOW 0 -33 34 Left 2 SYMATTR InstName D5 SYMBOL diode -400 688 R0 WINDOW 0 -32 26 Left 2 SYMATTR InstName D6 SYMBOL res -240 640 R0 SYMATTR InstName R24 SYMATTR Value 20 SYMBOL npn 64 -176 M0 SYMATTR InstName Q4 SYMATTR Value BC546B SYMBOL res 224 -144 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R25 SYMATTR Value 10k SYMBOL res 112 48 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R26 SYMATTR Value 4k SYMBOL pnp 64 304 R180 WINDOW 0 38 50 Left 2 WINDOW 3 102 54 Left 2 SYMATTR InstName Q12 SYMATTR Value BC556B SYMBOL res 80 112 R0 SYMATTR InstName R27 SYMATTR Value 4k SYMBOL res 240 240 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R28 SYMATTR Value 10k SYMBOL npn 272 -304 R0 SYMATTR InstName Q1 SYMATTR Value Qmj15003 SYMBOL res -832 640 R0 SYMATTR InstName R5 SYMATTR Value 2.6k SYMBOL ind 432 176 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value .15µ SYMBOL res 432 64 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R29 SYMATTR Value 10 SYMBOL res 640 128 R0 SYMATTR InstName R30 SYMATTR Value 10 SYMBOL cap 640 256 R0 SYMATTR InstName C6 SYMATTR Value .1µ SYMBOL diode -736 -592 R0 SYMATTR InstName D1 SYMATTR Value D1N4148 SYMBOL diode -736 -528 R0 WINDOW 0 97 0 Left 2 SYMATTR InstName D2 SYMATTR Value D1N4148 SYMBOL res 880 160 R0 SYMATTR InstName R13 SYMATTR Value 4 SYMBOL diode -16 320 R0 SYMATTR InstName D7 SYMBOL diode -16 -272 R0 SYMATTR InstName D8 TEXT 872 -512 Left 2 !.MODEL Qmj15004 pnp\n+IS=1e-09 BF=226.431 NF=0.85 VAF=43.4348\n+IKF=10 ISE=1e-08 NE=1.79698 BR=1.65466\n+NR=1.5 VAR=434.348 IKR=4.42319 ISC=5.49997e-09\n+NC=3.18751 RB=43.922 IRB=0.1 RBM=0.1\n+RE=0.0001 RC=0.20765 XTB=0.746102 XTI=1\n+EG=1.05 CJE=9.99946e-08 VJE=0.4 MJE=0.658304\n+TF=9.99976e-09 XTF=1.3573 VTF=0.996475 ITF=0.99985\n+CJC=1.22854e-09 VJC=0.95 MJC=0.23 XCJC=0.803124\n+FC=0.761291 CJS=0 VJS=0.75 MJS=0.5\n+TR=1e-07 PTF=0 KF=0 AF=1 TEXT 872 -832 Left 2 !.MODEL Qmj15003 npn\n+IS=1e-09 BF=226.431 NF=0.85 VAF=43.4348\n+IKF=10 ISE=1e-08 NE=1.79698 BR=1.65466\n+NR=1.5 VAR=434.348 IKR=4.42319 ISC=5.49997e-09\n+NC=3.18751 RB=43.922 IRB=0.1 RBM=0.1\n+RE=0.0001 RC=0.20765 XTB=0.746102 XTI=1\n+EG=1.05 CJE=9.62276e-08 VJE=0.505131 MJE=0.650363\n+TF=9.99972e-09 XTF=1.35733 VTF=0.996711 ITF=0.999802\n+CJC=1.22855e-09 VJC=0.95 MJC=0.23 XCJC=0.803115\n+FC=0.638728 CJS=0 VJS=0.75 MJS=0.5\n+TR=1e-07 PTF=0 KF=0 AF=1 TEXT 872 -184 Left 2 !.model BC560C PNP(Is=1.02f Xti=3 Eg=1.11 Vaf=34.62 Bf=401.6 Ise=38.26p\n+ Ne=5.635 Ikf=74.73m Nk=.512 Xtb=1.5 Br=9.011 Isc=1.517f\n+ Nc=1.831 Ikr=.1469 Rc=1.151 Cjc=9.81p Mjc=.332 Vjc=.4865 Fc=.5\n+ Cje=30p Mje=.3333 Vje=.5 Tr=10n Tf=524p Itf=.9847 Xtf=17.71\n+ Vtf=10) TEXT 1080 -8 Left 2 !.MODEL Qbd139 npn\n+IS=1e-09 BF=222.664 NF=0.85 VAF=36.4079\n+IKF=0.166126 ISE=5.03418e-09 NE=1.45313 BR=1.35467\n+NR=1.33751 VAR=142.931 IKR=1.66126 ISC=5.02557e-09\n+NC=3.10227 RB=26.9143 IRB=0.1 RBM=0.1\n+RE=0.000472454 RC=1.04109 XTB=0.727762 XTI=1.04311\n+EG=1.05 CJE=1e-11 VJE=0.75 MJE=0.33\n+TF=1e-09 XTF=1 VTF=10 ITF=0.01\n+CJC=1e-11 VJC=0.75 MJC=0.33 XCJC=0.9\n+FC=0.5 CJS=0 VJS=0.75 MJS=0.5\n+TR=1e-07 PTF=0 KF=0 AF=1 TEXT 1088 312 Left 2 !.MODEL D1N4148 D(IS=0.1P RS=16 CJO=2P TT=12N BV=100 IBV=3.867E-10) TEXT -1168 -160 Left 2 !.tran 0 {10/freq} 0 {10/freq/fft} TEXT 1064 384 Left 2 !.MODEL Qbd140 pnp\n+IS=1e-09 BF=650.842 NF=0.85 VAF=10\n+IKF=0.0950125 ISE=1e-08 NE=1.54571 BR=56.177\n+NR=1.5 VAR=2.11267 IKR=0.950125 ISC=1e-08\n+NC=3.58527 RB=41.7566 IRB=0.1 RBM=0.108893\n+RE=0.000347052 RC=1.32566 XTB=19.5239 XTI=1\n+EG=1.05 CJE=1e-11 VJE=0.75 MJE=0.33\n+TF=1e-09 XTF=1 VTF=10 ITF=0.01\n+CJC=1e-11 VJC=0.75 MJC=0.33 XCJC=0.9\n+FC=0.5 CJS=0 VJS=0.75 MJS=0.5\n+TR=1e-07 PTF=0 KF=0 AF=1 TEXT -1168 -192 Left 2 !.four {freq} V(out_plus) TEXT -1168 -288 Left 2 !.option plotwinsize=0 TEXT -1168 -256 Left 2 !.param freq=1k TEXT -1168 -224 Left 2 !.param fft=2*pi**11