* Z:\home\khalils\Downloads\files\data\raw_asc\3c55b219380e_thermo.asc
* Generated by LTspice 26.0.1 for Windows.
* Library below included based on ModelFile attribute of instance XU3, XU4, XU5 (C:\users\khalils\AppData\Local\LTspice\lib\sym\OpAmps\UniversalOpAmp2.asy)
R9 out 0 4.7k
C3 ref 0 100n
R_2B 0 N002 1.2k
C2 N001 0 100n
RGB N003 N002 4.7k
R_2A N005 N001 18.8k
XU3 N007 ref N001 0 ref level2 Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=2.5 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
V_thermo N008 0 V
R_1A N005 N008 4.7k
RLA stage1 0 10k
R_1B N002 N001 933
XU4 N005 N006 N001 0 stage1 level2 Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=70m Rail=2.5 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
RLB 0 stage2 10k
V1 N001 0 12
RFB1 stage2 N003 18.8k
R2 N001 N007 4.7k
C1 N001 0 100n
R1 N007 0 4.7k
R8 stage2 out 8.2k
RGA N006 0 4.7k
XU5 stage1 N003 N001 0 stage2 level2 Avol=1Meg GBW=10Meg Slew=10Meg Ilimit=25m Rail=2.5 Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
RFA stage1 N006 7k
.dc V_thermo -2m 18m 1m
.lib UniversalOpAmp2.lib
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 2116 680
WIRE 1600 -112 -48 -112
WIRE -48 0 -48 -112
WIRE 1264 0 -48 0
WIRE 1392 0 1344 0
WIRE 1424 0 1392 0
WIRE 1536 0 1504 0
WIRE 1696 0 1536 0
WIRE 1936 0 1776 0
WIRE 1936 32 1936 0
WIRE -48 48 -48 0
WIRE 288 48 -48 48
WIRE 464 48 288 48
WIRE 864 48 464 48
WIRE 1600 80 1600 -112
WIRE 1600 80 1504 80
WIRE -48 128 -48 48
WIRE 112 128 -48 128
WIRE 384 160 208 160
WIRE 416 160 384 160
WIRE 464 160 464 48
WIRE 528 160 464 160
WIRE 784 160 608 160
WIRE 912 160 800 160
WIRE 1120 160 992 160
WIRE 1600 160 1600 80
WIRE 1536 176 1536 0
WIRE 1568 176 1536 176
WIRE 112 192 112 128
WIRE 1744 192 1632 192
WIRE 1792 192 1744 192
WIRE 1936 192 1936 112
WIRE 1936 192 1792 192
WIRE 864 208 864 48
WIRE 944 208 864 208
WIRE 1120 208 1120 160
WIRE 1568 208 1120 208
WIRE 1936 240 1936 192
WIRE 288 256 288 48
WIRE 864 256 864 208
WIRE -48 272 -48 128
WIRE 208 272 208 160
WIRE 256 272 208 272
WIRE 800 272 800 160
WIRE 832 272 800 272
WIRE 1392 272 1392 0
WIRE 416 288 416 160
WIRE 416 288 320 288
WIRE 1056 288 896 288
WIRE 1088 288 1056 288
WIRE 1120 288 1120 208
WIRE 1120 288 1088 288
WIRE 1744 288 1744 192
WIRE 112 304 112 272
WIRE 256 304 112 304
WIRE 672 304 544 304
WIRE 784 304 784 160
WIRE 784 304 752 304
WIRE 832 304 784 304
WIRE 1504 304 1504 80
WIRE 112 336 112 304
WIRE 416 336 416 288
WIRE 544 336 544 304
WIRE 800 336 800 272
WIRE 944 336 944 208
WIRE 1056 336 1056 288
WIRE 1936 336 1936 320
WIRE 2080 336 1936 336
WIRE 2112 336 2080 336
WIRE 1936 352 1936 336
WIRE 1504 416 1504 368
WIRE 1600 416 1600 224
WIRE 1600 416 1504 416
WIRE 864 432 864 320
WIRE 944 432 944 400
WIRE 944 432 864 432
WIRE -48 464 -48 352
WIRE 112 464 112 416
WIRE 288 464 288 320
WIRE 416 464 416 400
WIRE 544 464 544 416
WIRE 800 464 800 416
WIRE 864 464 864 432
WIRE 1056 464 1056 416
WIRE 1392 464 1392 352
WIRE 1600 464 1600 416
WIRE 1744 464 1744 368
WIRE 1936 464 1936 432
RECTANGLE Normal -48 268 -44 272 2
SYMBOL Cap 928 336 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL OpAmps/UniversalOpAmp2 288 288 R0
SYMATTR InstName U3
SYMATTR SpiceLine Ilimit=25m Rail=2.5 Vos=0
SYMBOL Res 1792 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RFB1
SYMATTR Value 18.8k
SYMBOL Res 1920 336 R0
SYMATTR InstName R9
SYMATTR Value 4.7k
SYMBOL Res 784 320 R0
SYMATTR InstName RGA
SYMATTR Value 4.7k
SYMBOL OpAmps/UniversalOpAmp2 1600 192 R0
SYMATTR InstName U5
SYMATTR SpiceLine Ilimit=25m Rail=2.5 Vos=0
SYMBOL OpAmps/UniversalOpAmp2 864 288 R0
SYMATTR InstName U4
SYMATTR SpiceLine Ilimit=70m Rail=2.5 Vos=0
SYMBOL Res 1920 16 R0
SYMATTR InstName RFB2
SYMATTR Value 0
SYMBOL voltage -48 256 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL Cap 400 336 R0
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL Res 768 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R_1A
SYMATTR Value 4.7k
SYMBOL Res 1920 224 R0
SYMATTR InstName R8
SYMATTR Value 8.2k
SYMBOL Res 624 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R_2A
SYMATTR Value 18.8k
SYMBOL Res 1040 320 R0
SYMATTR InstName RLA
SYMATTR Value 10k
SYMBOL Res 1408 368 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R_2B
SYMATTR Value 1.2k
SYMBOL Res 1520 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RGB
SYMATTR Value 4.7k
SYMBOL voltage 544 320 R0
SYMATTR InstName V_thermo
SYMBOL Res 96 320 R0
SYMATTR InstName R1
SYMATTR Value 4.7k
SYMBOL Res 96 176 R0
SYMATTR InstName R2
SYMATTR Value 4.7k
SYMBOL Res 1008 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RFA
SYMATTR Value 7k
SYMBOL Res 1760 384 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName RLB
SYMATTR Value 10k
SYMBOL Cap 1488 304 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL Res 1360 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R_1B
SYMATTR Value 933
FLAG -48 464 0
FLAG 112 464 0
FLAG 288 464 0
FLAG 384 160 ref
FLAG 864 464 0
FLAG 1056 464 0
FLAG 1088 288 stage1
FLAG 544 464 0
FLAG 1392 464 0
FLAG 1744 464 0
FLAG 1792 192 stage2
FLAG 1936 464 0
FLAG 2080 336 out
FLAG 1600 464 0
FLAG 416 464 0
FLAG 800 464 0
TEXT 984 -48 Left 2 !.dc V_thermo -2m 18m 1m