Version 4
SHEET 1 1444 680
WIRE 384 -144 224 -144
WIRE 704 -144 384 -144
WIRE 704 -128 704 -144
WIRE 384 -112 384 -144
WIRE 384 16 384 -32
WIRE 656 16 384 16
WIRE 1216 32 1216 0
WIRE 944 64 864 64
WIRE 1024 64 944 64
WIRE 1056 64 1024 64
WIRE 224 80 224 -144
WIRE 1056 96 1056 64
WIRE 864 160 864 64
WIRE 944 160 944 64
WIRE 1024 160 1024 64
WIRE 1216 160 1216 112
WIRE 384 256 384 16
WIRE 656 272 656 16
WIRE 832 272 656 272
WIRE 1440 288 1312 288
WIRE 704 304 704 -48
WIRE 832 304 704 304
WIRE 1376 352 1312 352
WIRE 224 432 224 160
WIRE 384 432 384 320
WIRE 864 448 864 416
WIRE 944 448 944 416
WIRE 1024 448 1024 416
WIRE 1216 464 1216 416
WIRE 1376 464 1376 352
WIRE 1216 560 1216 544
FLAG 224 432 0
FLAG 1216 0 0
FLAG 1216 560 0
FLAG 384 432 0
FLAG 1376 464 0
FLAG 864 448 0
FLAG 944 448 0
FLAG 1024 448 0
FLAG 1056 96 0
SYMBOL voltage 224 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 170
SYMBOL voltage 1216 128 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL Opamps\\LT6375 1088 288 R0
SYMATTR InstName U1
SYMBOL voltage 1216 560 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 15
SYMBOL res 368 -128 R0
SYMATTR InstName R1
SYMATTR Value 500
SYMBOL load 368 256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value {X}
SYMBOL res 688 -144 R0
SYMATTR InstName R2
SYMATTR Value 500
TEXT 222 496 Left 2 !.tran 50m
TEXT 360 496 Left 2 !.step param X list 1m 2m 5m 10m