* Z:\home\khalils\Downloads\files\data\raw_asc\31cd12c3187b_input-buffer-amp-current-transistor-designed.asc
* Generated by LTspice 26.0.1 for Windows.
* .ac dec 100 100 100000
Qpnp-vgnd N004 N002 +30V 0 22N3906
R8 N016 +30V 1220k
R4 N001 0 1100k
R6 N010 N012 0.1
Qnpn-vgnd N014 N016 0 0 22N3904
R5 N010 N009 27
V3 N006 0 15
Q9 0 N006 N004 0 22N3906
R9 N002 0 1100k
V1 +30V 0 30
Q10 +30V N006 N014 0 22N3904
Q8 0 N014 N012 0 2TIP42C
R3 N015 +30V 1220k
Qpnp-amp N003 N001 +30V 0 22N3906
Qnpn-amp N013 N015 0 0 22N3904
Q2 0 N013 N011 0 2TIP42C
Q4 +30V N005 N013 0 22N3904
Q7 +30V N004 N008 0 2TIP41C
V2 N005 0 SINE(15 11 1000) AC 10
Q3 0 N005 N003 0 22N3906
R2 N007 N009 0.1
R7 N008 N010 0.1
Q1 +30V N003 N007 0 2TIP41C
R1 N009 N011 0.1
.model NPN NPN
.model PNP PNP
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.bjt
.lib ../models.cir
.tran 0 0.006 0.001 0.00000008
.step temp 25 125 50
.backanno
.end

* LTspice schematic (.asc):
Version 4.1
SHEET 1 1960 784
WIRE 736 -336 704 -336
WIRE 848 -336 816 -336
WIRE 1440 -224 928 -224
WIRE 928 -160 928 -224
WIRE 928 -160 816 -160
WIRE 960 -160 928 -160
WIRE 1440 -160 1440 -224
WIRE 1440 -160 1408 -160
WIRE 1552 -160 1440 -160
WIRE 752 -112 736 -112
WIRE 928 -112 928 -160
WIRE 1440 -112 1440 -160
WIRE 1632 -112 1616 -112
WIRE 816 -64 768 -64
WIRE 864 -64 816 -64
WIRE 1552 -64 1504 -64
WIRE 1600 -64 1552 -64
WIRE 704 -16 640 -16
WIRE 1728 -16 1664 -16
WIRE 928 0 928 -16
WIRE 1440 0 1440 -16
WIRE 656 32 656 -112
WIRE 768 32 656 32
WIRE 800 32 768 32
WIRE 1600 32 1568 32
WIRE 1712 32 1712 -112
WIRE 1712 32 1600 32
WIRE 800 48 800 32
WIRE 1568 48 1568 32
WIRE 640 208 640 -16
WIRE 640 208 80 208
WIRE 1728 224 1728 -16
WIRE 1904 224 1728 224
WIRE 928 240 928 80
WIRE 1040 240 928 240
WIRE 1440 240 1440 80
WIRE 1440 240 1120 240
WIRE 1904 304 1904 224
WIRE 80 352 80 208
WIRE 928 368 928 240
WIRE 1440 368 1440 240
WIRE 768 416 656 416
WIRE 800 416 768 416
WIRE 1600 416 1568 416
WIRE 1712 416 1600 416
WIRE 640 464 640 208
WIRE 704 464 640 464
WIRE 928 464 928 448
WIRE 1440 464 1440 448
WIRE 1728 464 1728 224
WIRE 1728 464 1664 464
WIRE 832 512 768 512
WIRE 864 512 832 512
WIRE 1536 512 1504 512
WIRE 1600 512 1536 512
WIRE 656 560 656 416
WIRE 672 560 656 560
WIRE 768 560 752 560
WIRE 1616 560 1600 560
WIRE 1712 560 1712 416
WIRE 1712 560 1696 560
WIRE 80 608 80 432
WIRE 832 608 80 608
WIRE 928 608 928 560
WIRE 928 608 832 608
WIRE 1440 608 1440 560
WIRE 1440 608 928 608
WIRE 1536 608 1440 608
WIRE 1904 608 1904 384
WIRE 1904 608 1536 608
WIRE 928 640 928 608
IOPIN 848 -336 BiDir
IOPIN 960 -160 BiDir
IOPIN 800 416 BiDir
IOPIN 1568 416 BiDir
SYMBOL res 752 -128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1100k
SYMBOL res 912 352 R0
SYMATTR InstName R1
SYMATTR Value 0.1
SYMBOL npn 1600 512 M0
SYMATTR InstName Qnpn-vgnd
SYMATTR Value 22N3904
SYMBOL pnp 704 32 M180
SYMATTR InstName Q3
SYMATTR Value 22N3906
SYMBOL npn 1664 416 M0
SYMATTR InstName Q10
SYMATTR Value 22N3904
SYMBOL res 1456 -16 M0
SYMATTR InstName R7
SYMATTR Value 0.1
SYMBOL pnp 1616 -64 R180
SYMATTR InstName Qpnp-vgnd
SYMATTR Value 22N3906
SYMBOL res 1600 544 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 1220k
SYMBOL res 1136 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 27
SYMBOL res 1456 352 M0
SYMATTR InstName R6
SYMATTR Value 0.1
SYMBOL pnp 1504 560 R180
SYMATTR InstName Q8
SYMATTR Value 2TIP42C
SYMBOL npn 864 -112 R0
SYMATTR InstName Q1
SYMATTR Value 2TIP41C
SYMBOL voltage 832 -336 R90
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 30
SYMBOL res 768 544 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1220k
SYMBOL voltage 80 336 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 10
SYMATTR InstName V2
SYMATTR Value SINE(15 11 1000)
SYMBOL res 912 -16 R0
SYMATTR InstName R2
SYMATTR Value 0.1
SYMBOL pnp 1664 32 R180
SYMATTR InstName Q9
SYMATTR Value 22N3906
SYMBOL pnp 864 560 M180
SYMATTR InstName Q2
SYMATTR Value 2TIP42C
SYMBOL npn 704 416 R0
SYMATTR InstName Q4
SYMATTR Value 22N3904
SYMBOL voltage 1904 288 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 15
SYMBOL npn 768 512 R0
SYMATTR InstName Qnpn-amp
SYMATTR Value 22N3904
SYMBOL res 1616 -128 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 1100k
SYMBOL npn 1504 -112 M0
SYMATTR InstName Q7
SYMATTR Value 2TIP41C
SYMBOL pnp 752 -64 M180
SYMATTR InstName Qpnp-amp
SYMATTR Value 22N3906
FLAG 928 640 0
FLAG 704 -336 0
FLAG 848 -336 +30V
FLAG 960 -160 +30V
FLAG 800 416 +30V
FLAG 800 48 0
FLAG 1568 416 +30V
FLAG 1568 48 0
TEXT 128 696 Left 2 !.lib ../models.cir
TEXT 112 664 Left 2 !.tran 0 0.006 0.001 0.00000008
TEXT 128 720 Left 2 ;.ac dec 100 100 100000
TEXT 216 768 Left 2 !.step temp 25 125 50