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參數(shù)資料
| 型號： | HSDL-3602-038 |
| 廠商： | Avago Technologies Ltd. |
| 英文描述： | IrDA㈢ Data 1.4 Compliant 4 Mb/s 3V Infrared Transceiver |
| 中文描述： | ㈢數(shù)據(jù)的IrDA 1.4兼容4 Mb / s的3V的紅外收發(fā)器 |
| 文件頁數(shù)： | 27/27頁 |
| 文件大小： | 388K |
| 代理商： | HSDL-3602-038 |
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27
Window Material
Almost any plastic material will work as a window mate-
rial. Polycarbonate is recommended. The surface finish
of the plastic should be smooth, without any texture.
An IR filter dye may be used in the window to make it
look black to the eye, but the total optical loss of the
window should be 10 percent or less for best optical
performance. Light loss should be measured at 875 nm.
Shape of the Window
From an optics standpoint, the window should be flat.
This ensures that the window will not alter either the
radiation pattern of the LED, or the receive pattern of
the photodiode.
Flat Window
(First choice)
If the window must be curved for mechanical or in-
dustrial design reasons, place the same curve on the
back side of the window that has an identical radius as
the front side. While this will not completely eliminate
the lens effect of the front curved surface, it will sig-
nificantly reduce the effects. The amount of change in
the radiation pattern is dependent upon the material
chosen for the window, the radius of the front and back
curves, and the distance from the back surface to the
transceiver. Once these items are known, a lens design
can be made which will eliminate the effect of the front
surface curve.
The following drawings show the effects of a curved
window on the radiation pattern. In all cases, the center
thickness of the window is 1.5 mm, the window is made
of polycarbonate plastic, and the distance from the
transceiver to the back surface of the window is 3 mm.
HSDL-3602 Flat Window
Curved Front and Back
(Second choice)
HSDL-3602 Curved Window
Curved Front, Flat Back
(Do not use)
HSDL-3602 Curved/Flat Window
For product information and a complete list of distributors, please go to our web site:
www.avagotech.com
Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies, Pte. in the United States and other countries.
Data subject to change. Copyright 2006 Avago Technologies Pte. All rights reserved.
5988-9347EN - May 30, 2006
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| HSDL-3603 | 制造商:AVAGO 制造商全稱:AVAGO TECHNOLOGIES LIMITED 功能描述:IrDA㈢ Data Compliant 4 Mbit/s Infrared Transceiver |
| HSDL-3603-007 | 制造商:Lite-On Semiconductor Corporation 功能描述:IRDA TX/RX 4MBPS 2.7V TO 5.25V - Bulk 制造商:Avago Technologies 功能描述:TRANSCEIVER SMD IRDA1.4 4MB |
| HSDL-3603-007 | 制造商:Avago Technologies 功能描述:TRANSCEIVER SMD IRDA1.4 4MB |
| HSDL-3603-017 | 制造商:Lite-On Semiconductor Corporation 功能描述:IRDA TX/RX 4MBPS 3.3V/5V - Bulk |
| HSDL-3603-207 | 制造商:AVAGO 制造商全稱:AVAGO TECHNOLOGIES LIMITED 功能描述:IrDA㈢ Data Compliant 4 Mbit/s Infrared Transceiver |
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