Version 4
SHEET 1 4464 2396
WIRE 832 -528 544 -528
WIRE 992 -528 832 -528
WIRE 1312 -528 992 -528
WIRE 544 -480 544 -528
WIRE 1312 -480 1312 -528
WIRE 832 -432 832 -528
WIRE 992 -432 992 -528
WIRE 1312 -368 1312 -400
WIRE 544 -272 544 -400
WIRE 992 -272 992 -352
WIRE 832 -224 832 -352
WIRE 832 -224 608 -224
WIRE 928 -224 832 -224
WIRE 544 0 544 -176
WIRE 544 0 416 0
WIRE 672 0 544 0
WIRE 992 0 992 -176
WIRE 1040 0 992 0
WIRE 416 48 416 0
WIRE 672 48 672 0
WIRE 336 144 304 144
WIRE 416 224 416 128
WIRE 672 224 672 128
WIRE 992 224 992 0
WIRE 48 272 16 272
WIRE 208 272 128 272
WIRE 336 272 336 144
WIRE 336 272 288 272
WIRE 352 272 336 272
WIRE 768 272 736 272
WIRE 928 272 864 272
WIRE 992 432 992 320
WIRE 416 512 416 320
WIRE 944 512 416 512
WIRE 672 608 672 320
WIRE 672 608 544 608
WIRE 416 672 416 512
WIRE 672 672 672 608
WIRE 544 720 544 608
WIRE 544 720 480 720
WIRE 608 720 544 720
WIRE 864 768 864 272
WIRE 992 768 992 528
WIRE 416 848 416 768
WIRE 672 848 672 768
WIRE 1328 896 1328 864
WIRE 416 1024 416 928
WIRE 672 1024 672 928
WIRE 672 1024 416 1024
WIRE 864 1024 864 848
WIRE 864 1024 672 1024
WIRE 992 1024 992 848
WIRE 992 1024 864 1024
WIRE 1328 1024 1328 976
WIRE 1328 1024 992 1024
FLAG 1040 0 VASout
IOPIN 1040 0 Out
FLAG 1312 -368 0
FLAG 1328 864 0
FLAG 416 512 Q21.C
FLAG 768 272 0
FLAG 16 272 0
FLAG 304 144 input
IOPIN 304 144 In
SYMBOL res 976 -448 R0
SYMATTR InstName R14
SYMATTR Value 150
SYMBOL voltage 1328 880 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 5 -53 Right 2
SYMATTR Value 45
SYMATTR InstName V6
SYMBOL res 976 752 R0
WINDOW 3 48 76 Left 2
SYMATTR Value 47
SYMATTR InstName R52
SYMBOL res 656 32 R0
SYMATTR InstName R24
SYMATTR Value 100
SYMBOL res 400 32 R0
SYMATTR InstName R25
SYMATTR Value 100
SYMBOL res 528 -496 R0
SYMATTR InstName R20
SYMATTR Value 820
SYMBOL res 400 832 R0
SYMATTR InstName R23
SYMATTR Value 47
SYMBOL res 656 832 R0
SYMATTR InstName R26
SYMATTR Value 47
SYMBOL voltage 304 272 R90
WINDOW 123 -71 9 VRight 2
WINDOW 39 0 0 Left 2
WINDOW 0 39 47 Left 2
WINDOW 3 106 -15 VRight 2
SYMATTR Value2 AC .4u
SYMATTR InstName V1
SYMATTR Value SINE(0 .4u 1k)
SYMBOL voltage 832 -448 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 44 Left 2
SYMATTR SpiceLine Rser=1
SYMATTR InstName V4
SYMATTR Value 2.2
SYMBOL voltage 1312 -496 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 60 -19 Right 2
SYMATTR Value 45
SYMATTR InstName V3
SYMBOL pnp 928 -176 M180
SYMATTR InstName Q2
SYMATTR Value 2N5401C
SYMBOL pnp 352 320 M180
WINDOW 3 91 -17 Left 2
SYMATTR Value 2N5401C
SYMATTR InstName Q8
SYMBOL pnp 608 -176 R180
SYMATTR InstName Q9
SYMATTR Value 2N5401C
SYMBOL pnp 736 320 R180
WINDOW 3 -74 -35 Left 2
SYMATTR Value 2N5401C
SYMATTR InstName Q10
SYMBOL npn 608 672 R0
WINDOW 3 70 66 Left 2
SYMATTR Value 2N5551C
SYMATTR InstName Q1
SYMBOL npn 480 672 M0
WINDOW 3 70 66 Left 2
SYMATTR Value 2N5551C
SYMATTR InstName Q3
SYMBOL voltage 144 272 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value {x}
SYMBOL nmos 944 432 R0
SYMATTR InstName M1
SYMATTR Value NDC7002N
SYMBOL npn 928 224 R0
WINDOW 3 70 66 Left 2
SYMATTR Value 2N5551C
SYMATTR InstName Q4
SYMBOL voltage 864 752 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 44 Left 2
SYMATTR SpiceLine Rser=1
SYMATTR InstName V5
SYMATTR Value 4
TEXT 480 -592 Left 5 ;LTP
TEXT 936 -584 Left 5 ;VAS
TEXT 152 -1520 Left 2 !#setup 2019-12-11\n.option noopiter\n.options plotwinsize=0\n.options method=gear\n.param FFT=2**16\n.four {1k} 10 V(VASout)\n.MEAS Output RMS V(VASout)\n#.MEAS TRAN Base8Base10 PP V(Q8-base,Q10-base)\n#.MEAS TRAN Emi8BEmi10 PP V(Q8-emi,Q10-emi) \n#.MEAS TRAN VasDrive PP V(VASin,AUXneg)\n.tran 0 23m 20m 1u startup uic\n.option numdgt=15\n.option reltol=1e-6\n.option ptrantau=0
TEXT 112 -936 Left 1 !* BC550C - created March 1, 2011 copyright Cordell Audio\n.MODEL BC550C npn IS=45e-15 BF=689 VAF=162 IKF=0.09 ISE=4600e-15 NE=2 NF=0.9965 RB=167 RC=1 RE=0.04 CJE=18.7e-12 MJE=0.35 VJE=0.75 CJC=6.2e-12 MJC=0.25 VJC=0.4 FC=0.5 TF=595e-12 XTF=10 VTF=10 ITF=1 TR=10e-9 BR=12.2 IKR=0.34 EG=1.2 XTB=1.65 XTI=3 NC=0.996 NR=1.0 VAR=120 IRB=7e-5 RBM=1.1 XCJC=0.6 ISC=5e-15 mfg=CA030111\n* BC560C - created March 2, 2011 copyright Cordell Audio\n.MODEL BC560C pnp IS=60e-15 BF=900 VAF=160 IKF=0.10 ISE=70e-15 NE=1.42 NF=1 RB=170 RC=1.0 RE=0.05 CJE=19e-12 MJE=0.3 VJE=0.75 CJC=3.9e-12 MJC=0.3 VJC=0.75 FC=0.5 TF=600e-12 XTF=7 VTF=4 ITF=0.45 TR=10e-9 BR=3 IKR=0 EG=1.1 XTB=1.5 XTI=3 NC=2 ISC=0 mfg=CA030211\n* 2N5401C - created March 10, 2011 copyright Cordell Audio\n.MODEL 2N5401C pnp IS=25e-15 BF=220 VAF=196 IKF=0.2             ISE=2e-15 NE=1.4 NF=1 RB=60 RC=2 RE=0.1 CJE=35e-12 MJE=0.40 VJE=0.75 CJC=15e-12 MJC=0.55 VJC=0.75 FC=0.5 TF=800e-12 XTF=60 VTF=0 ITF=4 TR=1.5e-9 BR=4 IKR=0 EG=1.1 XTB=1.5 XTI=3 NC=2 ISC=0 mfg=CA031011\n* 2N5551C - created March 10, 2011 copyright Cordell Audio\n.MODEL 2N5551C npn IS=9e-15 BF=125 VAF=667 IKF=0.09 ISE=1e-15 NE=1.3 NF=1 RB=92 RC=1 RE=0.1 CJE=45e-12 MJE=0.35 VJE=0.75 CJC=4.9e-12 MJC=0.30 VJC=0.75 FC=0.5 TF=565e-12 XTF=300 VTF=5 ITF=2.0 TR=1.2e-9 BR=3 IKR=0 EG=1.1 XTB=1.5 XTI=3 NC=2 ISC=0 mfg=CA031011\n* 2SA1381C - created March 11, 2011 copyright Cordell Audio\n.MODEL 2SA1381C pnp IS=50e-15 BF=160 VAF=328 IKF=0.5 ISE=10e-15 NE=1.5 NF=1 RB=17 RC=4.1 RE=0.05 CJE=71e-12 MJE=0.35 VJE=0.75 CJC=8e-12 MJC=0.35 VJC=0.55 FC=0.5 TF=900e-12 XTF=10000 VTF=35 ITF=20 TR=1e-9 BR=1.6 IKR=0.09 EG=0.6 XTB=0.9 XTI=3 NC=2 ISC=3.2e-10 VAR=100 mfg=CA031111\n* 2SC3503C - created March 11, 2011 copyright Cordell Audio\n.MODEL 2SC3503C npn IS=40e-15 BF=170 VAF=769 IKF=0.08 ISE=200e-15 NE=1.5 NF=1.0 RB=75 RC=1.5 RE=0.1 CJE=95e-12 MJE=0.35 VJE=0.75 CJC=7e-12 MJC=0.35 VJC=0.75 FC=0.5 TF=585e-12 XTF=10000 VTF=35 ITF=20 TR=10e-9 BR=0.6 IKR=0.05 EG=0.75 XTB=1.5 XTI=3 NC=1.5 ISC=7e-15 NR=1.0 VAR=100 IRB=3e-6 RBM=0.035 XCJC=1.0 mfg=CA031111
TEXT 8 56 Left 2 !.param x  1.61823m
TEXT 192 1064 Left 5 ;G = 30V/0.4uV = 75MV/V S = 35uA/0.4uV = 85A/V
TEXT 1096 688 Left 4 ;THD = 3%