Version 4
SHEET 1 2240 1228
WIRE 736 240 704 240
WIRE 608 256 608 224
WIRE 608 256 464 256
WIRE 704 256 704 240
WIRE 704 256 608 256
WIRE 736 256 736 240
WIRE 1104 256 736 256
WIRE 1056 272 1008 272
WIRE 1104 272 1104 256
WIRE 1136 272 1104 272
WIRE 1056 304 1056 272
WIRE 1136 304 1056 304
WIRE 1488 320 1264 320
WIRE 1136 336 1056 336
WIRE 1056 352 1056 336
WIRE 1056 352 1008 352
WIRE 1136 368 1120 368
WIRE 464 384 464 336
WIRE 592 384 464 384
WIRE 720 384 720 224
WIRE 720 384 672 384
WIRE 1120 384 1120 368
WIRE 1120 384 720 384
WIRE 1232 384 1200 384
WIRE 1296 384 1232 384
WIRE 1232 400 1232 384
WIRE 1296 400 1296 384
WIRE 464 432 464 384
WIRE 1168 432 1168 384
WIRE 1232 480 1200 480
WIRE 1296 480 1296 464
WIRE 1296 480 1232 480
WIRE 1232 496 1232 480
WIRE 1296 496 1296 480
FLAG 320 240 0
FLAG 1200 256 +5V
FLAG 320 160 +5V
FLAG 608 144 +5V
FLAG 720 144 +5V
FLAG 1168 432 0
FLAG 1232 496 0
FLAG 1296 496 0
FLAG 464 432 0
SYMBOL Opamps\\INA129E 1200 320 R0
WINDOW 3 -58 1 Left 2
SYMATTR InstName U1
SYMBOL current 720 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value 100ľA
SYMBOL current 608 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I2
SYMATTR Value 100ľA
SYMBOL voltage 320 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 688 368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 78.7
SYMBOL res 448 240 R0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL res 1216 384 R0
SYMATTR InstName R3
SYMATTR Value 698k
SYMBOL cap 1280 400 R0
SYMATTR InstName C1
SYMATTR Value 220p
SYMBOL res 992 256 R0
SYMATTR InstName R4
SYMATTR Value 2k
TEXT 144 512 Left 2 ;.step param R list 80.3 84.3 88.2 92.2 96.1 100.0 103.9 107.8 111.7 115.5 119.4 123.2 127.1 130.9 134.7 138.5 142.3 146.1 149.8 153.6 157.3 161.0 164.8 168.5 172.2 175.8
TEXT 136 432 Left 2 ;.step param R 80 150 20
TEXT 142 468 Left 2 !.tran 2m