参数资料
型号: RM-3638T
厂商: EVERLIGHT ELECTRONICS CO LTD
元件分类: 光电元器件
英文描述: LOGIC OUTPUT PHOTO DETECTOR
封装: ROHS COMPLIANT, MINIATURE, PLASTIC PACAKGE-3
文件页数: 5/10页
文件大小: 279K
代理商: RM-3638T
EVERLIGHT ELECTRONICS CO.,LTD.
Everlight Electronics Co., Ltd.
http:\\www.everlight.com
Rev 1
Page: 4 of 10
Device No:SZDMO-036-050
Prepared date:20-Sep-06
Prepared by:Hao Liu
IRM-3638T
Test Method
The specified electro-optical characteristics is satisfied under the following
Conditions at the controllable distance.
Measurement place
A place that is nothing of extreme light reflected in the room.
External light
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)
Standard transmitter
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).
(Standard light / Light source temperature 2856
°K).
Measuring system
According to the measuring system shown in Fig.-3
Block Diagram
Modulated IR signal
min 10 pulses
Carrier frequency f0
OUT
IN
Vs
GND
Input
CGA & filter
Demodulator
Oscillator
AGC/ATC & digital control
C
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