irm-8871s-f72 Everlight Electronics Co., Ltd., irm-8871s-f72 Datasheet - Page 5

• Manufacturer Part Number: irm-8871s-f72
• Description: Infrared Remote-control Receiver Module
• Manufacturer: Everlight Electronics Co., Ltd.

Block Diagram：
Application Circuit：
Modulated IR signal
Carrier frequency f0
Everlight Electronics Co., Ltd.
Device No：SZDMO-880-011
min 10 pulses
Fig.-2 Measuring Method
Standard Transmitter
RC Filter should be connected closely between Vcc pin and GND pin.
IN
20cm
EVERLIGHT ELECTRONICS CO.,LTD.
Oscillator
Input
10k
10uF
Oscilloscope
http:\\www.everlight.com
Prepared date：25-Jan-07
+5.0± 0.1V
Vout
CGA & filter
AGC/ATC & digital control
GND
Standard Transmitter
Vs
Fig.-3
Demodulator
Prepared by：
Rev 1
θ: Angle Of Horizontal & Vertical Direction
Measuring System
L: Transmission Distance
D.U.T
IRM-8871S-F72
Zhang Meijuan
Page: 5 of 9
OUT
GND
OUT
Vcc
Vout
µC