* Z:\home\khalils\Downloads\files\data\raw_asc\07ffbe61e052_DiffAmp_Discrete.asc
* Generated by LTspice 26.0.1 for Windows.
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\OpAmps\LT1995.asy)
;.tran 0 1m 0
V2 0 VEE 15
R2 N001 IN+BUF {RS}
R1 IN+ IN+BUF 1Meg
J3 IN+BUF VEE N003 LSK489A
J2 VCC IN- N002 LSK489A
R5 N003 VEE {RS}
R3 N002 IN-BUF {RS}
V1 VCC 0 15
R4 IN- IN-BUF 1Meg
V3 IN+ IN- SINE(0 10u 10k) AC 1
J4 IN-BUF VEE N004 LSK489A
XU1 IN+BUF NC_01 NC_02 VEE NC_03 OUT VCC NC_04 NC_05 IN-BUF LT1995 ;pnba P1)P2)P4)Vee)Ref)OUT)VCC)M4)M2)M1
R6 N004 VEE {RS}
J1 VCC IN+ N001 LSK489A
.model NJF NJF
.model PJF PJF
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.jft
.ac dec 100 10 50Meg
.param RS=750
.lib LTC7.lib
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 880 1004
WIRE -32 -208 -144 -208
WIRE -720 -192 -720 -240
WIRE -720 -192 -816 -192
WIRE -624 -192 -720 -192
WIRE -32 -160 -32 -208
WIRE -816 -64 -816 -192
WIRE -624 -64 -624 -192
WIRE -912 0 -928 0
WIRE -864 0 -912 0
WIRE -544 0 -576 0
WIRE -528 0 -544 0
WIRE -912 48 -912 0
WIRE -816 48 -816 32
WIRE -624 48 -624 32
WIRE -544 48 -544 0
WIRE -144 160 -144 -208
WIRE -144 160 -304 160
WIRE -912 176 -912 128
WIRE -816 176 -816 128
WIRE -816 176 -912 176
WIRE -688 176 -816 176
WIRE -624 176 -624 128
WIRE -544 176 -544 128
WIRE -544 176 -624 176
WIRE -448 176 -544 176
WIRE -304 176 -304 160
WIRE -304 176 -448 176
WIRE -816 192 -816 176
WIRE -624 192 -624 176
WIRE -688 240 -688 176
WIRE -448 240 -688 240
WIRE -304 240 -448 240
WIRE -864 256 -912 256
WIRE -544 256 -576 256
WIRE -304 256 -304 240
WIRE -32 256 -32 96
WIRE -32 256 -304 256
WIRE -816 320 -816 288
WIRE -624 320 -624 288
WIRE -912 448 -912 256
WIRE -816 448 -816 400
WIRE -816 448 -912 448
WIRE -624 448 -624 400
WIRE -544 448 -544 256
WIRE -544 448 -624 448
WIRE -816 528 -816 448
WIRE -720 528 -816 528
WIRE -624 528 -624 448
WIRE -624 528 -720 528
WIRE -720 704 -720 528
WIRE 704 800 704 768
WIRE 704 800 608 800
WIRE 704 816 704 800
WIRE 608 832 608 800
IOPIN 224 -160 Out
IOPIN -928 0 In
IOPIN -528 0 In
IOPIN -1392 64 In
IOPIN -1392 144 In
DATAFLAG -752 176 ""
SYMBOL njf -864 192 R0
WINDOW 3 56 55 Left 2
SYMATTR InstName J3
SYMATTR Value LSK489A
SYMBOL njf -576 -64 M0
SYMATTR InstName J2
SYMATTR Value LSK489A
SYMBOL res -928 32 R0
SYMATTR InstName R1
SYMATTR Value 1Meg
SYMBOL res -640 32 R0
SYMATTR InstName R3
SYMATTR Value {RS}
SYMBOL njf -576 192 M0
SYMATTR InstName J4
SYMATTR Value LSK489A
SYMBOL OpAmps\\LT1995 144 -32 R0
SYMATTR InstName U1
SYMBOL voltage -1392 48 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(0 10u 10k)
SYMATTR Value2 AC 1
SYMBOL voltage 704 800 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL res -832 32 R0
SYMATTR InstName R2
SYMATTR Value {RS}
SYMBOL res -832 304 R0
SYMATTR InstName R5
SYMATTR Value {RS}
SYMBOL njf -864 -64 R0
WINDOW 3 56 55 Left 2
SYMATTR InstName J1
SYMATTR Value LSK489A
SYMBOL res -560 32 R0
SYMATTR InstName R4
SYMATTR Value 1Meg
SYMBOL res -640 304 R0
SYMATTR InstName R6
SYMATTR Value {RS}
SYMBOL voltage 704 672 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 15
FLAG 608 832 0
FLAG 704 688 VCC
FLAG 704 896 VEE
FLAG 144 96 VEE
FLAG 144 -160 VCC
FLAG 224 -160 OUT
FLAG -720 -240 VCC
FLAG -928 0 IN+
FLAG -528 0 IN-
FLAG -1392 64 IN+
FLAG -1392 144 IN-
FLAG -720 704 VEE
FLAG -448 240 IN+BUF
FLAG -448 176 IN-BUF
TEXT -304 628 Left 2 !;.tran 0 1m 0\n.ac dec 100 10 50Meg
TEXT -1216 376 Left 2 !.param RS=750