Version 4 SHEET 1 1204 680 WIRE -176 -704 -768 -704 WIRE -64 -704 -176 -704 WIRE 160 -704 -64 -704 WIRE 256 -704 160 -704 WIRE 384 -704 256 -704 WIRE 480 -704 384 -704 WIRE 528 -704 480 -704 WIRE 656 -704 528 -704 WIRE 768 -704 656 -704 WIRE 816 -704 768 -704 WIRE -64 -688 -64 -704 WIRE 384 -688 384 -704 WIRE 816 -688 816 -704 WIRE 160 -656 160 -704 WIRE 256 -624 256 -704 WIRE 480 -624 480 -704 WIRE -64 -592 -64 -624 WIRE 384 -576 384 -608 WIRE 384 -576 320 -576 WIRE 656 -576 656 -704 WIRE 256 -512 256 -528 WIRE -64 -496 -64 -528 WIRE 16 -496 -64 -496 WIRE 160 -496 160 -592 WIRE 160 -496 96 -496 WIRE -64 -480 -64 -496 WIRE 480 -480 480 -544 WIRE 160 -464 160 -496 WIRE 192 -464 160 -464 WIRE 304 -464 192 -464 WIRE 384 -464 384 -576 WIRE 384 -464 368 -464 WIRE 464 -464 384 -464 WIRE 768 -432 768 -704 WIRE -176 -416 -176 -704 WIRE 464 -416 464 -464 WIRE -64 -400 -64 -416 WIRE 16 -400 -64 -400 WIRE 160 -400 160 -464 WIRE 160 -400 96 -400 WIRE -768 -384 -768 -704 WIRE 256 -368 256 -416 WIRE 256 -368 160 -368 WIRE 272 -368 256 -368 WIRE 384 -368 384 -464 WIRE 384 -368 352 -368 WIRE -64 -352 -64 -400 WIRE 256 -336 256 -368 WIRE 160 -320 160 -368 WIRE 384 -272 384 -368 WIRE 464 -272 464 -352 WIRE 160 -240 160 -256 WIRE 160 -240 -544 -240 WIRE 256 -240 256 -256 WIRE 256 -240 160 -240 WIRE -544 -208 -544 -240 WIRE -64 -208 -64 -272 WIRE -176 -160 -176 -336 WIRE -128 -160 -176 -160 WIRE -176 -144 -176 -160 WIRE -448 -128 -464 -128 WIRE -320 -128 -368 -128 WIRE 384 -128 384 -192 WIRE 464 -128 464 -192 WIRE 464 -128 384 -128 WIRE -544 -112 -544 -144 WIRE 144 -112 80 -112 WIRE 224 -112 144 -112 WIRE 256 -112 256 -240 WIRE 256 -112 224 -112 WIRE -64 -96 -64 -112 WIRE 144 -80 144 -112 WIRE -464 -64 -464 -128 WIRE -464 -64 -480 -64 WIRE -320 -64 -320 -128 WIRE -176 -64 -176 -80 WIRE -176 -64 -320 -64 WIRE 80 -64 80 -112 WIRE -176 -48 -176 -64 WIRE 528 -48 528 -704 WIRE -464 -32 -464 -64 WIRE -448 -32 -464 -32 WIRE -336 -32 -368 -32 WIRE 224 -16 224 -112 WIRE -768 32 -768 -304 WIRE -544 32 -544 -16 WIRE -544 32 -768 32 WIRE -512 32 -544 32 WIRE -336 32 -336 -32 WIRE -336 32 -432 32 WIRE -176 32 -176 16 WIRE -176 32 -336 32 WIRE -64 32 -64 -16 WIRE -64 32 -176 32 WIRE 80 32 80 0 WIRE 80 32 -64 32 WIRE 144 32 144 0 WIRE 144 32 80 32 WIRE 208 32 144 32 WIRE 384 32 384 -128 WIRE 384 32 304 32 WIRE 528 32 528 16 WIRE 528 32 384 32 WIRE 656 32 656 -496 WIRE 656 32 528 32 WIRE 688 32 656 32 WIRE 768 32 768 -368 WIRE 768 32 688 32 FLAG 816 -688 0 FLAG 688 32 out SYMBOL voltage -768 -400 M0 WINDOW 123 24 44 Left 2 WINDOW 39 0 0 Left 0 SYMATTR Value2 AC 1 SYMATTR InstName V1 SYMATTR Value SINE(550 3 100) SYMBOL nmos 304 -16 R90 SYMATTR InstName M1 SYMATTR Value STP8NM60 SYMBOL res 128 -96 R0 SYMATTR InstName R1 SYMATTR Value 3K3 SYMBOL res -416 16 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 2.7 SYMBOL npn2 -480 -112 M0 SYMATTR InstName Q1 SYMATTR Value BC547B SYMBOL LED -528 -208 M0 SYMATTR InstName D1 SYMATTR Value QTLP690C SYMATTR Description Diode SYMATTR Type diode SYMBOL zener -80 -416 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D2 SYMATTR Value DFLZ33 SYMATTR Description Diode SYMATTR Type diode SYMBOL diode -80 -688 R0 SYMATTR InstName D3 SYMATTR Value 1N4148 SYMBOL diode -80 -592 R0 SYMATTR InstName D4 SYMATTR Value 1N4148 SYMBOL res 112 -512 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 11K SYMBOL res 112 -416 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 11K SYMBOL pnp2 192 -416 M180 SYMATTR InstName Q2 SYMATTR Value MPSA92 SYMBOL npn2 320 -624 M0 SYMATTR InstName Q3 SYMATTR Value BC547B SYMBOL res 240 -352 R0 SYMATTR InstName R7 SYMATTR Value 220K SYMBOL cap 512 -48 R0 SYMATTR InstName C1 SYMATTR Value 10µ SYMATTR SpiceLine Rser=0.2 SYMBOL res 368 -704 R0 SYMATTR InstName R8 SYMATTR Value 5K6 SYMBOL res 400 -288 M0 SYMATTR InstName R9 SYMATTR Value 82K SYMBOL res2 752 -432 R0 SYMATTR InstName R10 SYMATTR Value 2K SYMBOL cap 448 -416 R0 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL cap 144 -320 R0 SYMATTR InstName C3 SYMATTR Value 100p SYMBOL cap 144 -656 R0 SYMATTR InstName C4 SYMATTR Value 1µ SYMBOL res 448 -288 R0 SYMATTR InstName R11 SYMATTR Value 1K SYMBOL res 368 -384 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 22e6 SYMBOL current 656 -576 R0 WINDOW 123 24 28 Left 2 WINDOW 39 0 0 Left 0 SYMATTR Value2 AC 0 SYMATTR InstName I1 SYMATTR Value 0 SYMBOL npn2 -128 -208 R0 SYMATTR InstName Q4 SYMATTR Value MPSA42 SYMBOL res -80 -112 R0 SYMATTR InstName R4 SYMATTR Value 1K8 SYMBOL res -192 -432 R0 SYMATTR InstName R13 SYMATTR Value 220K SYMBOL res -80 -368 R0 SYMATTR InstName R15 SYMATTR Value 100K SYMBOL zener -160 -80 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D5 SYMATTR Value BZX84C5V6 SYMATTR Description Diode SYMATTR Type diode SYMBOL diode -160 -48 M0 SYMATTR InstName D6 SYMATTR Value 1N4148 SYMBOL res -352 -144 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R14 SYMATTR Value 2K2 SYMBOL res -352 -48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R16 SYMATTR Value 1 SYMBOL voltage 480 -640 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 300 SYMBOL diode 304 -448 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D7 SYMATTR Value 1N4148 SYMBOL zener 96 0 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D8 SYMATTR Value BZX84C12L SYMATTR Description Diode SYMATTR Type diode TEXT 368 88 Left 2 !;tran 0 100m 0 1µ TEXT -248 80 Left 2 !.ac dec 100 0.1 1e6 TEXT -768 -720 Left 1 !.model BZX84C5V6 D(Is=1.033E-15 N=1.001 BV=5.6 IBV=0.005 Rs=0.387 Cjo=1.961E-10 Vj=0.9187 M=0.423 Fc=0.5 Iave=250M Vpk=5.6 Mfg=NXP Type=ZENER TEXT 864 -712 Left 1 !.MODEL MPSA42 NPN\n+ IS=18.36E-15\n+ BF=60.596\n+ VAF=9.2909\n+ IKF=.0207\n+ ISE=1.3215E-12\n+ NE=1.7767\n+ NF=1.15\n+ BR=499.50\n+ VAR=100\n+ IKR=19.980\n+ ISC=75E-9\n+ NC=3.9970\n+ RE=490.00E-6\n+ RB=5.2315\n+ RC=1.0000E-3\n+ CJE=104.69E-12\n+ VJE=1.0643\n+ MJE=.41036\n+ CJC=9.8356E-12\n+ VJC=.35\n+ MJC=.28065\n+ TF=5.1798E-9\n+ XTF=3.2122\n+ VTF=25.040\n+ ITF=.19258\n+ XTB=1.5\n+ TR=6.837E-6 TEXT 1024 -712 Left 1 !.MODEL MPSA92 PNP (\n+ IS=28.39F\n+ BF=127.12\n+ VAF=13.033\n+ IKF=.1566\n+ ISE=103.89E-15\n+ NE=1.2763\n+ BR=499.50\n+ VAR=50\n+ IKR=3.5m\n+ ISC=1500P\n+ NC=2.9970\n+ NR=1\n+ NF=1\n+ RB=11.300\n+ RC=778.1m\n+ RE=490.00E-6\n+ CJE=109.36E-12\n+ VJE=1.2027\n+ MJE=.36517\n+ CJC=22.069E-12\n+ VJC=1.5000\n+ MJC=.47644\n+ TF=5.0525E-9\n+ XTF=4.4954\n+ XTB=1.5\n+ VTF=24.240\n+ ITF=.30881\n+ TR=4.8693E-6 )