irm-2656t Everlight Electronics Co., Ltd., irm-2656t Datasheet - Page 4

• Manufacturer Part Number: irm-2656t
• Description: Everlight Electronics Co.,ltd.
• Manufacturer: Everlight Electronics Co., Ltd.

Carrier frequency f0
Modulated IR signal
Test Method： ： ： ：
Block Diagram：
The specified electro-optical characteristics is satisfied under the following
Conditions at the controllable distance.
min 10 pulses
Everlight Electronics Co., Ltd.
Device No ： S ZDMO-026-070
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).
(Standard light / Light source temperature 2856°K).
According to the measuring system shown in Fig.-3
IN
Oscillator
EVERLIGHT ELECTRONICS CO.,LTD.
Input
Prepared date ： 2 -Mar-2007
http:\\www.everlight.com
CGA & filter
AGC/ATC & digital control
GND
Vs
Demodulator
IRM-26xxT SERIES
Prepared by ： Z hang Meijuan
Rev 1
Page: 4 of 10
OUT
µC