* Z:\tmp\asc_dec_bjh7r6w2\110cb0e5c62a_Amplifier_AC_dec2.asc
* Generated by LTspice 26.0.1 for Windows.
Q1 N007 Vb1 N004 0 2N5401C
R1 N007 N008 1k
R13 vt Vout 0.33
R2 Vb2 0 1k
Q10 N003 vb10 vt 0 mjl21194C
C1 Vb9 N007 300p
D1 N001 Vb3 GREEN
Voffset N006 0 0.0023
Q9 N010 Vb9 vb11 0 mje253C
Vneg 0 N011 35
Q2 N009 Vb2 N005 0 2N5401C
R14 Vout vb 0.33
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.model NPN NPN
.model PNP PNP
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.bjt
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 2428 1404
WIRE -128 -224 -352 -224
WIRE -352 -128 -352 -224
WIRE -352 -16 -352 -64
WIRE -256 -16 -352 -16
WIRE -192 -16 -256 -16
WIRE -352 32 -352 -16
WIRE 720 96 720 -224
WIRE 928 176 928 -224
WIRE 720 224 720 192
WIRE 816 224 720 224
WIRE 864 224 816 224
WIRE 720 272 720 224
WIRE 928 288 928 272
WIRE 928 304 928 288
WIRE -288 400 -288 288
WIRE 32 400 32 288
WIRE -592 448 -608 448
WIRE -384 448 -592 448
WIRE -352 448 -384 448
WIRE 128 448 96 448
WIRE 176 448 128 448
WIRE 224 448 176 448
WIRE 720 448 720 352
WIRE 720 448 304 448
WIRE 928 448 928 384
WIRE 1024 448 928 448
WIRE 1152 448 1024 448
WIRE 720 480 720 448
WIRE 928 480 928 448
WIRE 928 480 720 480
WIRE -608 512 -608 448
WIRE 128 512 128 448
WIRE -608 640 -608 592
WIRE 128 640 128 592
WIRE 928 640 928 480
WIRE 720 688 720 480
WIRE 928 736 928 720
WIRE -608 752 -608 720
WIRE 416 752 416 672
WIRE 528 752 528 736
WIRE 528 752 416 752
WIRE 928 752 928 736
WIRE 720 800 720 768
WIRE 800 800 720 800
WIRE 864 800 800 800
WIRE 720 832 720 800
WIRE 416 880 416 752
WIRE 576 880 416 880
WIRE 656 880 576 880
WIRE 256 896 192 896
WIRE 416 896 416 880
WIRE 416 896 320 896
WIRE 416 992 416 896
WIRE -288 1040 -288 496
WIRE -96 1040 -288 1040
WIRE 192 1040 192 896
WIRE 192 1040 -96 1040
WIRE 352 1040 192 1040
WIRE 1152 1040 1024 1040
WIRE -288 1088 -288 1040
WIRE 1024 1104 1024 1040
WIRE 1152 1104 1152 1040
WIRE -288 1280 -288 1168
WIRE 32 1280 32 496
WIRE 720 1280 720 928
WIRE 1152 1280 1152 1184
WIRE 1152 1280 928 1280
SYMBOL pnp -352 496 M180
SYMATTR InstName Q1
SYMATTR Value 2N5401C
SYMBOL res -304 1072 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 912 288 R0
SYMATTR InstName R13
SYMATTR Value 0.33
SYMBOL res 112 496 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL npn 864 176 R0
SYMATTR InstName Q10
SYMATTR Value mjl21194C
SYMBOL cap 320 880 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 300p
SYMBOL LED -368 -128 R0
SYMATTR InstName D1
SYMATTR Value GREEN
SYMBOL voltage -608 624 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -128 36 Left 0
WINDOW 3 -123 70 Left 0
SYMATTR InstName Voffset
SYMATTR Value 0.0023
SYMBOL pnp 656 928 M180
SYMATTR InstName Q9
SYMATTR Value mje253C
SYMBOL voltage 1152 1088 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vneg
SYMATTR Value 35
SYMBOL pnp 96 496 R180
SYMATTR InstName Q2
SYMATTR Value 2N5401C
SYMBOL res 912 624 R0
SYMATTR InstName R14
SYMATTR Value 0.33
FLAG -608 752 0
FLAG -592 448 VIN
FLAG 128 640 0
FLAG 1024 1104 0
FLAG 928 288 vt
FLAG 928 736 vb
FLAG 816 224 vb10
FLAG 800 800 vb11
FLAG 576 880 Vb9
FLAG -384 448 Vb1
FLAG 176 448 Vb2
FLAG -256 -16 Vb3
FLAG 1024 448 Vout