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GP1U777R Datasheet(PDF) 3 Page - Sharp Corporation |
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GP1U777R Datasheet(HTML) 3 Page - Sharp Corporation |
3 / 4 page GP1U77R Series s Performance ( 1) Linear reception distance characteristics characteristcs in the attached list. ( 2) Sensitivity angle reception distance characteristics ( 3) Anti outer peripheral light reception distance characteristics In the above figure, the transmitter should be set so that the output V out can be 40mVPP . 100 lx. (EV is an illuminance by CIE standard light source A ( tungsten lamp ) .) characteristics in the attached list. electrical characteristics in the attached list. 20cm 10k Ω + 5V Oscilloscope Vout Transmitter Vout Transmitter (GL521 used ) Duty 50 % Center frequency (fo) depends on the attached model list. Fig. 1. Transmitter Fig. 2. Standard optical system Reception distance : L Light detector face illuminance : Ee vertical directions. ) Using the transmitter shown in Fig. 1, the output signal of the light detecting unit is good enough to meet the following items in the standard optical system in Fig. 2. in Fig. 2, the output signal shall meet the in Fig. 2, the output signal shall meet the electrical However, the PD49PI to be used here should be of the short-circuit current I SC= 2.6 µ A at E V = in Fig. 2, the output signal shall meet the electrical When L= 0.2 to 6.5m, Ee < 10 lx and φ =0˚ When L = 0.2 to 4.5m, Ee < 10 lx and φ <= 30˚ When L= 0.2 to 3m, Ee <= 300 lx and φ =0˚ φ φ ( φ indicates horizontal and |
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