5 / 9 page
EVERLIGHT ELECTRONICS CO.,LTD.
Everlight Electronics Co., Ltd.
http:\\www.everlight.com
Rev 1.0
Page: 5 of 9
Device No:DMO-026-305
Prepared date:05-28-2004
Prepared by:
Carryll Hsu
Standard Transmitter
Oscilloscope
Vout
10uF
+5.0± 0.1V
10k
20cm
θ
θ
D.U.T
L: Transmission Distance
Standard Transmitter
GND
Vcc
OUT
Vout
θ: Angle Of Horizontal & Vertical Direction
IRM-2656
Fig.-2
Measuring Method
Fig.-3
Measuring System
Block Diagram:
Application Circuit:
RC Filter should be connected closely between Vcc pin and GND pin.
Modulated IR signal
min 10 pulses
Carrier frequency f0
OUT
IN
Vs
GND
Input
CGA & filter
Demodulator
Oscillator
AGC/ATC & digital control
µC