irm-3738a Everlight Electronics Co., Ltd., irm-3738a Datasheet - Page 5

• Manufacturer Part Number: irm-3738a
• Description: Infrared Remote-control Receiver Module
• Manufacturer: Everlight Electronics Co., Ltd.

Block Diagram：
Application Circuit：
Everlight Electronics Co., Ltd.
Device No：DMO-037-386
Fig.-2 Measuring Method
IN
Standard Transmitter
Converter
&Input
Control
Bias
I-V
RC Filter should be connected closely between Vcc pin and GND pin.
20cm
Amp
Pre
Fset Bias Circuit
EVERLIGHT ELECTRONICS CO.,LTD.
Frequency
Setting
Noise Det.&
Gain Ctrl.
10k
AGC
Amp
10uF
Oscilloscope
+5.0± 0.1V
Prepared date：09-16-2005
http:\\www.everlight.com
Limit
Amp
Vout
Frequency
Trimming
Band-pass
Filter
Standard Transmitter
Fig.-3
Threshold
Comparator
Control
Circuit
θ: Angle Of Horizontal & Vertical Direction
Measuring System
IRM-37xxA SERIES
Prepared by：
Rev 1
VCC
L: Transmission Distance
Reference
Voltage
Circuit
D.U.T
GND
Integrator
Shaping
&Wave
OUT
GND
Cindy Lin
Page: 5 of 9
Vcc
Vout
Output
Stage
OUT