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參數資料
| 型號： | HSDL-3220-001 |
| 廠商： | Avago Technologies Ltd. |
| 英文描述： | IrDA㈢ Data Compliant Low Power 4.0 Mbit/s Infrared Transceiver |
| 中文描述： | 紅外線㈢數據兼容低功耗4.0 Mbit / s的紅外收發器 |
| 文件頁數： | 16/19頁 |
| 文件大?。?/td> | 190K |
| 代理商： | HSDL-3220-001 |
16
Appendix D: Window Designs for HSDL-3220
D
Z
K
A
IR TRANSPARENT
WINDOW
OPAQUE
MATERIAL
OPAQUE
MATERIAL
IR TRANSPARENT WINDOW
X
Y
Figure 19. Window design diagram.
Optical port dimensions for
HSDL-3220
To ensure IrDA compliance, some
constraints on the height and
width of the window exist. The
minimum dimensions ensure
that the IrDA cone angles are met
without vignetting. The maxi-
mum dimensions minimize the
effects of stray light. The mini-
mum size corresponds to a cone
angle of 30
°
and the maximum
size corresponds to a cone angle
of 60
°
.
In the figure below, X is the
width of the window, Y is the
height of the window and Z is the
distance from the HSDL-3220 to
the back of the window. The
distance from the center of the
LED lens to the center of the
photodiode lens, K, is 5.1mm.
The equations for computing the
window dimensions are as
follows:
X = K + 2*(Z+D)*tanA
Y = 2*(Z+D)*tanA
The above equations assume that
the thickness of the window is
negligible compared to the
distance of the module from the
back of the window (Z). If they are
comparable, Z' replaces Z in the
above equation. Z' is defined as
Z' = Z + t/n
where
‘
t
’
is the thickness of the
window and
‘
n
’
is the refractive
index of the window material.
The depth of the LED image
inside the HSDL-3220, D, is
3.17 mm.
‘
A
’
is the required half
angle for viewing. For IrDA
compliance, the minimum is 15
°
and the maximum is 30
°
. Assum-
ing the thickness of the window
to be negligible, the equations
result in the following tables and
graphs.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| HSDL-3220-021 | 功能描述:紅外收發器 20-30cm 3V FIR 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 |
| HSDL-3310 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IrDA 1.3 Data Compliant 1.15Mb/s 3-5V Infrared Transceiver |
| HSDL-3310#007 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecomm/Datacomm |
| HSDL-3310#017 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecomm/Datacomm |
| HSDL-3600 | 制造商:AGILENT 制造商全稱:AGILENT 功能描述:IrDA Compliant 4 Mb/s 3 V Infrared Transceiver |
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