Version 4 SHEET 1 2048 1328 WIRE -240 -1136 -320 -1136 WIRE -240 -1120 -240 -1136 WIRE -48 -1104 -192 -1104 WIRE 176 -1104 -48 -1104 WIRE 224 -1104 176 -1104 WIRE 336 -1104 224 -1104 WIRE -192 -1072 -192 -1104 WIRE -240 -1056 -240 -1120 WIRE -368 -1024 -384 -1024 WIRE -320 -1024 -320 -1056 WIRE -320 -1024 -368 -1024 WIRE 176 -1024 176 -1104 WIRE -320 -1008 -320 -1024 WIRE -192 -944 -192 -992 WIRE -288 -928 -320 -928 WIRE -240 -928 -240 -1008 WIRE -240 -928 -288 -928 WIRE -192 -928 -192 -944 WIRE -48 -928 -48 -1104 WIRE -288 -912 -288 -928 WIRE 48 -880 16 -880 WIRE 96 -880 48 -880 WIRE 176 -880 176 -944 WIRE 48 -848 48 -880 WIRE -48 -752 -48 -832 WIRE 176 -656 176 -880 WIRE 256 -656 176 -656 WIRE 320 -656 256 -656 WIRE 176 -624 176 -656 WIRE 352 -576 240 -576 WIRE 352 -560 352 -576 WIRE 176 -496 176 -528 WIRE 176 -464 176 -496 WIRE -224 -416 -288 -416 WIRE -208 -416 -224 -416 WIRE -48 -416 -48 -672 WIRE -48 -416 -144 -416 WIRE 112 -416 -48 -416 WIRE -288 -352 -288 -416 WIRE -48 -352 -48 -416 WIRE 176 -272 176 -368 WIRE -288 -208 -288 -272 WIRE -288 -176 -288 -208 WIRE -288 -64 -288 -96 FLAG -192 -848 0 FLAG -288 -64 0 FLAG 224 -1104 vcc FLAG -288 -208 vgen FLAG -288 -912 0 FLAG -368 -1024 v3p FLAG -240 -1120 v3r FLAG -192 -944 v1p FLAG -48 -272 0 FLAG 48 -784 0 FLAG 256 -656 raus FLAG 352 -480 0 FLAG 176 -496 c1 FLAG 176 -272 0 FLAG -288 -576 0 FLAG -224 -416 rein SYMBOL voltage -192 -944 R0 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 WINDOW 123 0 0 Left 2 WINDOW 39 -52 151 VTop 2 SYMATTR InstName V1 SYMATTR Value 7 SYMATTR SpiceLine Rser=0.001 SYMBOL voltage -288 -192 R0 WINDOW 123 24 160 Left 2 WINDOW 39 24 132 Left 2 WINDOW 3 -155 185 Left 2 SYMATTR Value2 AC 1 SYMATTR SpiceLine Rser=0 SYMATTR Value SINE(0.0 0.001 2000000 0 0 0) SYMATTR InstName V2 SYMBOL cap -144 -432 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 10000µ SYMATTR SpiceLine Rser=1m SYMBOL e -192 -1088 R0 SYMATTR InstName E1 SYMATTR Value 2 SYMBOL res -336 -1152 R0 SYMATTR InstName R1 SYMATTR Value 60 SYMBOL voltage -320 -1024 R0 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 WINDOW 123 0 0 Left 2 WINDOW 39 -57 138 VTop 2 SYMATTR InstName V3 SYMATTR Value 0.1µ SYMATTR SpiceLine Rser=0.1 SYMBOL res -64 -368 R0 SYMATTR InstName R2 SYMATTR Value 2k2 SYMBOL res -64 -768 R0 SYMATTR InstName R3 SYMATTR Value 2k2 SYMBOL res 192 -896 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 22k SYMBOL cap 32 -848 R0 SYMATTR InstName C3 SYMATTR Value 100µ SYMBOL npn 16 -928 M0 WINDOW 0 -8 -39 Left 2 WINDOW 3 -55 -11 Left 2 SYMATTR InstName Q3 SYMATTR Value ZTX851 SYMBOL res 160 -1040 R0 WINDOW 123 37 107 Left 2 SYMATTR Value2 m=3 SYMATTR InstName R5 SYMATTR Value 51 SYMBOL npn 112 -464 R0 WINDOW 0 91 30 Left 2 WINDOW 3 89 86 Left 2 WINDOW 123 91 58 Left 2 SYMATTR InstName Q4 SYMATTR Value ZTX851 SYMATTR Value2 m=16 SYMBOL npn 240 -624 M0 WINDOW 0 91 30 Left 2 WINDOW 3 89 86 Left 2 WINDOW 123 91 58 Left 2 SYMATTR InstName Q1 SYMATTR Value ZTX851 SYMATTR Value2 m=16 SYMBOL voltage 352 -576 R0 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 WINDOW 123 0 0 Left 2 WINDOW 39 -52 151 VTop 2 SYMATTR InstName V4 SYMATTR Value 2.9 SYMATTR SpiceLine Rser=0.001 SYMBOL res -304 -592 R0 SYMATTR InstName R6 SYMATTR Value 0.05 SYMBOL res -304 -368 R0 SYMATTR InstName R7 SYMATTR Value 1m TEXT 272 -840 Left 2 !;tran 0 2m 1.97m TEXT -104 -1128 Left 2 ;Vcc + E1 * 1n VRtHz noise TEXT 272 -864 Left 2 !.op TEXT 272 -808 Left 2 !.noise v(raus) V2 dec 1000 1 1e6 TEXT 272 -784 Left 2 !;ac dec 1000 10 10Meg TEXT 264 -728 Left 2 !.temp 20 40 60 TEXT -344 -208 VLeft 2 ;50/0.005 Ohm = - 60 dB attenuator TEXT 432 -256 VLeft 2 ;BZX84C2v7 + cap + Res to Vcc TEXT -128 -216 Left 2 ;Q1 is really one 2SC3420 because avail. but model missing. TEXT -104 -168 Left 2 !*ZETEX ZTX851 Spice model Last revision 21/1/93 (C) 1993 ZETEX PLC * 200 pV/rtHz lt AOE3 * .MODEL ZTX851 NPN IS =1.0085E-12 NF =1.0001 BF =240 IKF=5.1 VAF=158 + ISE=2E-13 NE=1.38 NR=0.9988 BR=110 IKR=5.5 VAR=46 + ISC=4.6515E-13 NC=1.334 RB=0.025 RE=0.018 RC=0.015 + CJC=155E-12 MJC=0.4348 VJC=0.6477 CJE=1.05E-9 + TF=0.79E-9 TR=24E-9 * *$