* Z:\tmp\asc_dec_bjh7r6w2\1678bb5021dc_2Pole_Ej_dec2.asc
* Generated by LTspice 26.0.1 for Windows.
R8 N001 Q3C 22k
V1 0 N013 6v
Q2 Q2C Q2B N007 0 2N2369
Q6 N005 N010 N012 0 2N2369
R12 N003 Q2B 4.7k
V2 N001 0 12V
Q5 N007 N010 N011 0 2N2369
R7 U1M Q3C 10k
A1 0 N006 0 0 0 0 IF 0 MODULATOR Rout=220 Vhigh={ifampl} Vlow=0 mark=455k space=455k
R5 N002 Q2C 170
R1 Q1B 0 1k
.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 1240 792
WIRE 608 -48 80 -48
WIRE 768 -48 608 -48
WIRE 1056 -48 768 -48
WIRE 1120 -48 1056 -48
WIRE 608 -32 608 -48
WIRE 1056 -32 1056 -48
WIRE 80 -16 80 -48
WIRE 304 48 208 48
WIRE 464 48 304 48
WIRE 208 64 208 48
WIRE 304 64 304 48
WIRE 464 64 464 48
WIRE 80 80 80 64
WIRE 1120 80 1120 -48
WIRE 608 96 608 48
WIRE 688 96 608 96
WIRE 880 96 688 96
WIRE 896 96 880 96
WIRE 992 96 976 96
WIRE 1024 96 992 96
WIRE 1088 96 1024 96
WIRE 608 112 608 96
WIRE 768 112 768 -48
WIRE 1168 112 1152 112
WIRE 1056 128 1056 48
WIRE 1088 128 1056 128
WIRE 880 144 880 96
WIRE 464 160 464 144
WIRE 496 160 464 160
WIRE 544 160 496 160
WIRE 848 160 832 160
WIRE 992 160 992 96
WIRE 1056 208 1056 128
WIRE 608 224 608 208
WIRE 688 224 608 224
WIRE 768 224 768 208
WIRE 768 224 688 224
WIRE 880 224 880 208
WIRE 304 256 304 144
WIRE 352 256 304 256
WIRE 848 256 848 160
WIRE 848 256 352 256
WIRE 304 288 304 256
WIRE 464 288 464 160
WIRE -208 304 -336 304
WIRE -336 320 -336 304
WIRE -48 336 -64 336
WIRE 64 336 -48 336
WIRE 176 336 128 336
WIRE 208 336 176 336
WIRE 240 336 208 336
WIRE 576 336 528 336
WIRE 736 336 576 336
WIRE 864 336 816 336
WIRE 992 336 992 224
WIRE 992 336 864 336
WIRE 1168 336 1168 112
WIRE 1168 336 992 336
WIRE 176 352 176 336
WIRE 576 352 576 336
WIRE 864 352 864 336
WIRE -208 368 -336 368
WIRE -336 384 -336 368
WIRE 304 400 304 384
WIRE 384 400 304 400
WIRE 464 400 464 384
WIRE 464 400 384 400
WIRE 384 432 384 400
WIRE 688 432 688 224
WIRE 176 448 176 432
WIRE 576 448 576 432
WIRE 864 448 864 432
WIRE 912 448 864 448
WIRE 1008 448 992 448
WIRE 1056 448 1008 448
WIRE 864 464 864 448
WIRE 1008 464 1008 448
WIRE -336 480 -336 464
WIRE 496 480 448 480
WIRE 624 480 496 480
WIRE 496 528 496 480
WIRE 384 544 384 528
WIRE 688 544 688 528
WIRE 384 640 384 624
WIRE 496 640 496 608
WIRE 496 640 384 640
WIRE 688 640 688 624
WIRE 688 640 496 640
WIRE 1120 640 1120 144
WIRE 1120 640 688 640
WIRE 688 672 688 640
WIRE 688 768 688 752
SYMBOL res 592 -48 R0
SYMATTR InstName R8
SYMATTR Value 22k
SYMBOL voltage 688 768 R180
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 33 30 Left 0
WINDOW 3 36 72 Left 0
SYMATTR InstName V1
SYMATTR Value 6v
SYMBOL NPN 528 288 M0
SYMATTR InstName Q2
SYMATTR Value 2N2369
SYMBOL NPN 624 432 R0
SYMATTR InstName Q6
SYMATTR Value 2N2369
SYMBOL res 832 320 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R12
SYMATTR Value 4.7k
SYMBOL voltage 80 -32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 12V
SYMBOL NPN 448 432 M0
SYMATTR InstName Q5
SYMATTR Value 2N2369
SYMBOL res 992 80 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL SpecialFunctions\\modulate -208 304 R0
WINDOW 39 16 64 Left 0
WINDOW 40 16 92 Left 0
WINDOW 3 16 -20 Left 0
WINDOW 123 16 8 Left 0
SYMATTR SpiceLine mark=455k
SYMATTR SpiceLine2 space=455k
SYMATTR Value Rout=220
SYMATTR Value2 Vhigh={ifampl} Vlow=0
SYMATTR InstName A1
SYMBOL res 448 48 R0
SYMATTR InstName R5
SYMATTR Value 170
SYMBOL res 160 336 R0
SYMATTR InstName R1
SYMATTR Value 1k
FLAG -336 480 0
FLAG -336 320 0
FLAG 80 80 0
FLAG -48 336 IF
FLAG 176 448 0
FLAG 576 448 0
FLAG 688 768 0
FLAG 352 256 Q1C
FLAG 496 160 Q2C
FLAG 1024 96 U1M
FLAG 880 224 0
FLAG 576 336 Q2B
FLAG 208 336 Q1B
FLAG 688 96 Q3C
FLAG 208 144 0