Version 4
SHEET 1 1512 992
WIRE 1168 -768 352 -768
WIRE 352 -704 352 -768
WIRE 384 -704 352 -704
WIRE 496 -704 448 -704
WIRE 496 -688 496 -704
WIRE 544 -688 496 -688
WIRE 416 -560 416 -592
WIRE 352 -544 352 -704
WIRE 384 -544 352 -544
WIRE 496 -528 496 -688
WIRE 496 -528 448 -528
WIRE 544 -528 496 -528
WIRE 656 -528 624 -528
WIRE 688 -528 656 -528
WIRE 816 -528 768 -528
WIRE 384 -512 352 -512
WIRE 656 -496 656 -528
WIRE 352 -480 352 -512
WIRE 1168 -480 1168 -768
WIRE 416 -448 416 -496
WIRE 1312 -416 1312 -448
WIRE 1440 -416 1440 -448
WIRE 656 -384 656 -416
WIRE 1168 -352 1168 -400
WIRE 1168 -352 992 -352
WIRE 1312 -304 1312 -336
WIRE 1440 -304 1440 -336
WIRE 1072 -256 1072 -272
WIRE 992 -240 992 -352
WIRE 1040 -240 992 -240
WIRE 1168 -224 1168 -352
WIRE 1168 -224 1104 -224
WIRE 1232 -224 1168 -224
WIRE 816 -208 816 -528
WIRE 816 -208 384 -208
WIRE 1040 -208 816 -208
WIRE 1072 -176 1072 -192
WIRE 816 -112 816 -208
WIRE 384 -80 384 -208
WIRE 384 -80 256 -80
WIRE 512 -80 384 -80
WIRE 256 -48 256 -80
WIRE 512 -48 512 -80
WIRE 384 -32 384 -80
WIRE 256 96 256 32
WIRE 384 96 384 32
WIRE 384 96 256 96
WIRE 512 96 512 32
WIRE 512 96 384 96
WIRE 976 128 912 128
WIRE 912 160 912 128
WIRE 976 160 976 128
WIRE 976 176 976 160
WIRE 384 256 384 96
WIRE 816 256 816 -48
WIRE 816 256 384 256
WIRE 976 256 976 240
WIRE 976 256 816 256
WIRE 0 0 0 0
FLAG 1072 -272 VCC
FLAG 1312 -304 0
FLAG 1312 -448 VCC
FLAG 1072 -176 VEE
FLAG 1440 -304 0
FLAG 1440 -448 VEE
FLAG 912 160 0
FLAG 416 -592 VCC
FLAG 416 -448 VEE
FLAG 656 -384 0
FLAG 352 -480 0
FLAG 544 -688 Out
SYMBOL cap 800 -112 R0
SYMATTR InstName Ccable
SYMATTR Value 500p
SYMBOL voltage 1312 -432 R0
WINDOW 123 24 132 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 2.5
SYMBOL diode 368 32 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value DP
SYMBOL current 256 -48 R0
WINDOW 3 -31 195 Left 2
WINDOW 123 24 116 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0u 100u 10u 100n 100n 100u 200u)
SYMATTR Value2 AC 1
SYMATTR InstName I1
SYMBOL res 496 -64 R0
SYMATTR InstName Rsh
SYMATTR Value 1G
SYMBOL voltage 1440 -432 R0
WINDOW 123 24 132 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value -2.5
SYMBOL Opamps\\LTC6241 1072 -224 R0
SYMATTR InstName U1
SYMBOL voltage 976 144 R0
WINDOW 123 24 132 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 2.5
SYMBOL Opamps\\LTC6241 416 -528 R0
SYMATTR InstName U2
SYMBOL res 640 -544 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 9K
SYMBOL res 784 -544 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 672 -400 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL res 1184 -384 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMATTR SpiceLine tol=1
SYMBOL cap 448 -720 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 330p
TEXT 200 416 Left 2 !.tran 0 1m 0 1u
TEXT 200 440 Left 2 !.options plotwinsize=0
TEXT 200 376 Left 2 ;.ac dec 100 1k 1e7
TEXT 200 472 Left 2 !.model DP D(Is=1e-10 Cjo=70p Rs=5 N=1.5)
TEXT 936 -56 Left 2 ;universalopamp2.asy
TEXT 200 336 Left 2 ;PHOTO DIODE WITH TRANSIMPEDANCE AMPLIFIER
TEXT 232 -112 Left 2 ;Photo Diode
TEXT 400 -176 Left 2 ;K
TEXT 400 232 Left 2 ;A
TEXT 448 -112 Left 2 ;BPW34
TEXT 200 520 Left 2 ;BPW34: 80uA @ 1000Lux
RECTANGLE Normal 704 192 200 -136