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## HSDL3602 Datasheet(PDF) 22 Page - Agilent(Hewlett-Packard)

 Part # HSDL3602 Description Data 1.4 Compliant 4 Mb/s 3V Infrared Transceiver Download 25 Pages Scroll/Zoom 100% Manufacturer HP [Agilent(Hewlett-Packard)] Direct Link http://www.home.agilent.com Logo

## HSDL3602 Datasheet(HTML) 22 Page - Agilent(Hewlett-Packard)

 22 / 25 page21To ensure IrDA compliance,some constraints on the heightand width of the window exist.The minimum dimensions ensurethat the IrDA cone angles are metwithout vignetting. The maximumdimensions minimize the effectsof stray light. The minimum sizecorresponds to a cone angle of300 and the maximum size corre-sponds to a cone angle of 60º.In the figure below, X is thewidth of the window, Y is theheight of the window and Z is thedistance from the HSDL-3602 tothe back of the window. The dis-tance from the center of the LEDlens to the center of the photo-diode lens, K, is 7.08mm. Theequations for computing the win-dow dimensions are as follows:X = K + 2*(Z+D)*tanAY = 2*(Z+D)*tanAThe above equations assume thatthe thickness of the window isnegligible compared to the dis-tance of the module from the backof the window (Z). If they are com-parable, Z' replaces Z in the aboveequation. Z' is defined asZ'=Z+t/nwhere ‘t’ is the thickness of thewindow and ‘n’ is the refractiveindex of the window material.The depth of the LED image in-side the HSDL-3602, D, is 8mm.‘A’ is the required half angle forviewing. For IrDA compliance,the minimum is 150 and themaximum is 300. Assuming thethickness of the window to benegligible, the equations result inthe following tables and graphs:DZKAIR TRANSPARENT WINDOWOPAQUE MATERIALOPAQUE MATERIALIR TRANSPARENT WINDOWXAppendix C: Optical PortDimensions for HSDL-3602:

## Similar Part No. - HSDL3602

 Manufacturer Part # Datasheet Description Agilent(Hewlett-Packard... HSDL3000 259Kb / 17P Data Compliant 115.2 kbps Infrared Transceiver HSDL3208 265Kb / 18P Ultra Small Profile Package IrDA Data Compliant Low Power 115.2 kbit/s Infrared Transceiver
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## Similar Description - HSDL3602

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