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參數資料
| 型號： | HSDL-3203 |
| 廠商： | Avago Technologies Ltd. |
| 英文描述： | Small Profile Package IrDA㈢ Data Compliant Low Power 115.2 kbit/s Infrared Transceiver |
| 中文描述： | 小資料包的IrDA㈢數據兼容低功耗115.2 kbit / s的紅外收發器 |
| 文件頁數： | 18/19頁 |
| 文件大小： | 413K |
| 代理商： | HSDL-3203 |
Curved Front and Back
(Second Choice)
Flat Window
(First Choice)
Curved Front, Flat Back
(Do Not Use)
Shape of the Window
From an optics standpoint, the
window should be flat. This en-
sures that the window will not
alter either the radiation pattern
of the LED, or the receive pattern
of the photodiode.
If the window must be curved for
mechanical or industrial 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 significantly 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 win-
dow is 1.5 mm, the window is
made of polycarbonate plastic,
and the distance from the trans-
ceiver to the back surface of the
window is 3 mm.
Window Material
Almost any plastic material will
work as a window material. Poly-
carbonate 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% or less for best
optical performance. Light loss
should be measured at 875 nm.
The recommended plastic
materials for use as a cosmetic
window are available from
General Electric Plastics.
Recommended Plastic Materials:
Material
Number
Lexan 141L
Lexan 920A
Lexan 940A
Light
Transmssion
88%
85%
85%
Refractive
Index
1.586
1.586
1.586
Haze
1%
1%
1%
Note: 920A and 940A are more flame retardant than 141L.
Recommended Dye: Violet #21051 (IR transmissant above
625 nm).
18
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| HSDL-3210-021 | IrDA㈢ Compliant Low Power 1.15 Mbit/s Infrared Transceiver |
| HSDL-3211 | IrDA㈢ Data Compliant Low Power 1.15 Mbit/s Infrared Transceiver |
| HSDL-3211-021 | IrDA㈢ Data Compliant Low Power 1.15 Mbit/s Infrared Transceiver |
| HSDL-3220 | IrDA㈢ Data Compliant Low Power 4.0 Mbit/s Infrared Transceiver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HSDL-3203-021 | 功能描述:紅外收發器 50cm 3V SIR w 1.9mmH t. RoHS:否 制造商:Vishay Semiconductors 波長:900 nm 連續數據傳輸:115.2 Kbit/s 傳輸距離:1 m 輻射強度:60 mW/sr 半強度角度:44 deg 脈沖寬度:2 us 最大上升時間:100 ns 最大下降時間:100 ns LED 電源電壓:- 0.5 V to 6 V 最大正向電流:80 mA 工作電壓:2.4 V to 5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 尺寸:6 mm x 3.1 mm x 1.9 mm 封裝 / 箱體: 封裝:Reel |
| HSDL3208 | 制造商:AGILENT 制造商全稱:AGILENT 功能描述:Ultra Small Profile Package IrDA Data Compliant Low Power 115.2 kbit/s Infrared Transceiver |
| HSDL-3208 | 制造商:Avago Technologies 功能描述:TRANSCEIVER IRDA 115.2KB/S |
| HSDL-3208#002 | 制造商:LITEON 功能描述:Ultra Small Profile Package IrDAR Data Compliant Low Power 115.2 kbit/s Infrared Transceiver |
| HSDL-3208#021 | 制造商:LITEON 功能描述:Ultra Small Profile Package IrDAR Data Compliant Low Power 115.2 kbit/s Infrared Transceiver |
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