* Z:\home\khalils\Downloads\files\data\raw_asc\66297fc9c6f4_trial.asc
* Generated by LTspice 26.0.1 for Windows.
D2 tempdep 0 1N4148
D3 P002 0 L128-DRD1003500000
XU2 N005 N004 Vsup 0 N001 LM324 ;pnba In+)In-)V+)V-)OUT
R2 indep Vsup 10k
R12 0 Vref 700k
XU1 N003 Vref Vsup 0 N002 LM324 ;pnba In+)In-)V+)V-)OUT
R3 N004 P001 1k
R6 N004 N001 520k
R7 N003 N001 1k
R4 N005 indep 1k
R11 Vref Vsup 300k
R8 N002 P002 1k
R1 tempdep Vsup 13.8k
V1 Vsup 0 15
V2 P001 tempdep PULSE(0 -7m 0 1m 1m 0.5 1)
R5 0 N005 520k
R13 N002 N003 100k
D1 indep 0 1N4148
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.lib LM324.ti.lib
.temp 23
.tran 1
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 880 680
WIRE -288 -288 -368 -288
WIRE -288 -272 -288 -288
WIRE -288 -240 -288 -272
WIRE -720 -192 -720 -224
WIRE -720 -160 -720 -192
WIRE 128 -128 -32 -128
WIRE 448 -16 352 -16
WIRE 512 -16 448 -16
WIRE -720 0 -720 -80
WIRE -720 0 -752 0
WIRE -704 0 -720 0
WIRE 288 0 240 0
WIRE -336 32 -368 32
WIRE -112 32 -112 -128
WIRE -112 32 -176 32
WIRE -80 32 -112 32
WIRE 128 48 128 -128
WIRE 128 48 -16 48
WIRE 240 48 240 0
WIRE 240 48 208 48
WIRE -80 64 -128 64
WIRE -128 112 -128 64
WIRE -128 112 -208 112
WIRE 240 112 240 48
WIRE 304 112 240 112
WIRE 448 112 448 -16
WIRE 448 112 384 112
WIRE -416 128 -480 128
WIRE -400 128 -416 128
WIRE -128 144 -128 112
WIRE -400 176 -400 128
SYMBOL res -192 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL res 400 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 100k
SYMBOL res -112 240 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 520k
SYMBOL res -160 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL voltage -736 0 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL OpAmps\\opamp2 320 -80 R0
SYMATTR InstName U1
SYMATTR Value LM324
SYMBOL LED 496 64 R0
SYMATTR InstName D3
SYMATTR Value L128-DRD1003500000
SYMBOL diode -304 -240 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL res -736 -320 R0
SYMATTR InstName R12
SYMATTR Value 700k
SYMBOL res 496 -32 R0
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL res -464 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL voltage -240 32 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0 -7m 0 1m 1m 0.5 1)
SYMBOL res -736 -176 R0
SYMATTR InstName R11
SYMATTR Value 300k
SYMBOL res 224 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL OpAmps\\opamp2 -48 -16 R0
SYMATTR InstName U2
SYMATTR Value LM324
SYMBOL res -128 -112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 520k
SYMBOL res -352 -304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 13.8k
SYMBOL diode -416 176 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
FLAG -832 0 0
FLAG -48 16 Vsup
FLAG -288 -176 0
FLAG -400 240 0
FLAG -448 -288 Vsup
FLAG -416 128 indep
FLAG -128 224 0
FLAG -368 32 tempdep
FLAG -288 112 indep
FLAG -704 0 Vsup
FLAG -560 128 Vsup
FLAG 320 -48 Vsup
FLAG 320 16 0
FLAG 512 128 0
FLAG 288 -32 Vref
FLAG -720 -304 0
FLAG -720 -192 Vref
FLAG -48 80 0
FLAG -288 -272 tempdep
TEXT 600 168 Left 2 !.lib LM324.ti.lib
TEXT 600 200 Left 2 !.temp 23
TEXT -896 216 Left 2 !.tran 1