irm-2638af4 Everlight Electronics Co., Ltd., irm-2638af4 Datasheet - Page 4

• Manufacturer Part Number: irm-2638af4
• Description: Everlight Electronics Co.,ltd.
• Manufacturer: Everlight Electronics Co., Ltd.

Test Method：
OUTPUT WAVE FORM
The specified electro-optical characteristics is satisfied under the following
Conditions at the controllable distance.
IR TANSMITTER
Everlight Electronics Co., Ltd.
Device No：DMO-026-314
Fig.-1 Transmitter Wave Form
Measurement place
External light
Standard transmitter
Measuring system
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.
(Ee≦10Lux)
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
Carrier frequency is adjusted to
center frequency of each product.
EVERLIGHT ELECTRONICS CO.,LTD.
http:\\www.everlight.com
Prepared date：07-20-2005
Duty=0.5
OUTPUT PULSE
OF DEVICE
IRM-26xxAF4 SERIES
D.U.T output Pulse
Prepared by：
Rev 2
Page: 4 of 9
Carryll Hsu