參數(shù)資料
型號: HSDL-3005-021
廠商: Avago Technologies Ltd.
英文描述: IrDA㈢ Data Compliant Low Power 115.2 kbit/s with Remote Control Infrared Transceiver
中文描述: 紅外線㈢數(shù)據兼容低功耗115.2 kbit / s的紅外遙控器
文件頁數(shù): 21/22頁
文件大?。?/td> 548K
代理商: HSDL-3005-021
21
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.
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
Curved Front and Back
(Second choice)
Curved Front, Flat Back
(Do not use)
Flat Window
(First choice)
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.
相關PDF資料
PDF描述
HSDL-3005-028 IrDA㈢ Data Compliant Low Power 115.2 kbit/s with Remote Control Infrared Transceiver
HSDL-3020 IrDA㈢ Data Compliant Low Power 4.0 Mbit/s with Remote Control Infrared Transceiver
HSDL-3020-021 IrDA㈢ Data Compliant Low Power 4.0 Mbit/s with Remote Control Infrared Transceiver
HSDL-3021 IrDA㈢ Data Compliant Low Power 4.0 Mbit/s with Remote Control Infrared Transceiver
HSDL-3021-021 IrDA㈢ Data Compliant Low Power 4.0 Mbit/s with Remote Control Infrared Transceiver
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