EVERLIGHT ELECTRONICS CO.,LTD.
The specified electro-optical characteristics is satisfied under the following
Conditions at the controllable distance.
A place that is nothing of extreme light reflected in the room.
Project the light of ordinary white fluorescent lamps which are not high
Frequency lamps and must be less then 10 Lux at the module surface.
A transmitter whose output is so adjusted as to Vo=400mVp-p and the output
Wave form shown in Fig.-1.According to the measurement method shown in
Fig.-2 the standard transmitter is specified.
However , the infrared photodiode to be used for the transmitter should be
λp=940nm,∆λ=50nm. Also, photodiode is used of PD438B(Vr=5V).
According to the measuring system shown in Fig.-3
Fig.-1 Transmitter Wave Form
OUTPUT WAVE FORM
Carrier frequency is adjusted to
center frequency of each product.
D.U.T output Pulse
Everlight Electronics Co., Ltd.
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