Version 4 SHEET 1 1224 680 WIRE 288 -16 240 -16 WIRE 400 -16 352 -16 WIRE 576 48 576 16 WIRE 704 48 704 16 WIRE 80 112 -352 112 WIRE 144 112 80 112 WIRE 240 112 240 -16 WIRE 240 112 144 112 WIRE 288 112 240 112 WIRE 400 112 400 -16 WIRE 400 112 368 112 WIRE 576 160 576 128 WIRE 704 160 704 128 WIRE 80 224 80 112 WIRE 336 240 336 224 WIRE -352 256 -352 112 WIRE -352 256 -480 256 WIRE -224 256 -352 256 WIRE 240 256 240 112 WIRE 304 256 240 256 WIRE 400 272 400 112 WIRE 400 272 368 272 WIRE 496 272 400 272 WIRE -480 288 -480 256 WIRE -224 288 -224 256 WIRE 304 288 240 288 WIRE -352 304 -352 256 WIRE 336 320 336 304 WIRE 80 368 80 288 WIRE 240 368 240 288 WIRE -480 432 -480 368 WIRE -352 432 -352 368 WIRE -352 432 -480 432 WIRE -224 432 -224 368 WIRE -224 432 -352 432 WIRE -352 640 -352 432 FLAG 240 368 0 FLAG 336 224 VCC FLAG 576 160 0 FLAG 576 16 VCC FLAG 80 368 0 FLAG -352 640 0 FLAG 496 272 out IOPIN 496 272 Out FLAG 336 320 VEE FLAG 704 160 0 FLAG 704 16 VEE FLAG 144 112 in SYMBOL cap 64 224 R0 SYMATTR InstName Ccable SYMATTR Value 100p SYMBOL cap 288 0 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C1 SYMATTR Value 47p SYMBOL res 384 128 M270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL voltage 576 32 R0 WINDOW 123 24 132 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 2.5 SYMBOL diode -368 368 M180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D1 SYMATTR Value DP SYMBOL current -480 288 R0 WINDOW 3 -31 195 Left 0 WINDOW 123 24 116 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0u 100u 10u 100n 100n 100u 200u) SYMATTR Value2 AC 1 SYMATTR InstName I1 SYMBOL res -240 272 R0 SYMATTR InstName Rsh SYMATTR Value 1G SYMBOL voltage 704 32 R0 WINDOW 123 24 132 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value -2.5 SYMBOL Opamps\\LTC6241 336 272 R0 SYMATTR InstName U1 TEXT -488 -112 Left 0 !.tran 0 1m 0 1u TEXT -488 -88 Left 0 !.options plotwinsize=0 TEXT -488 -152 Left 0 ;.ac dec 100 1k 1e7 TEXT -488 -56 Left 0 !.model DP D(Is=1e-10 Cjo=70p Rs=5 N=1.5) TEXT 200 408 Left 0 ;universalopamp2.asy TEXT -488 -192 Left 0 ;PHOTO DIODE WITH TRANSIMPEDANCE AMPLIFIER TEXT -504 224 Left 0 ;Photo Diode TEXT -336 160 Left 0 ;K TEXT -336 568 Left 0 ;A TEXT -288 224 Left 0 ;BPW34 TEXT -480 -16 Left 0 ;BPW34: 80uA @ 1000Lux RECTANGLE Normal -32 528 -536 200