Otto Bock HealthCare RF Transceiver-Microcontroller-Module User Manual Vorlage Otto Bock Direktiven

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Document ID	568219
Application ID	XWK8KDzl34wzFGoZF3j3Qw==
Document Description	Intergration Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	7.43kB (92884 bits)
Date Submitted	2005-08-04 00:00:00
Date Available	2005-08-04 00:00:00
Creation Date	2005-08-04 12:39:12
Producing Software	Acrobat Distiller 7.0 (Windows)
Document Lastmod	2005-08-04 17:21:56
Document Title	Vorlage Otto Bock Direktiven
Document Creator	Acrobat PDFMaker 7.0 für Word
Document Author:	Harald Kapprell

OBRF2402 Module Instructions
Made by: Dipl.-Ing.(FH) Erik Laatsch
Version: 1.1
State: 2005-07-28
Electronics Development
Engineer
Validated: Dipl.-Ing.(FH) Erik Laatsch
Clearance: Dipl.-Ing.(FH) Erik Laatsch
General description
This document shall describe on how to use the OBRF2401 module in RF-Applications.
Module description
The OBRF2402 Module
Otto Bock HealthCare
Germany
16 MHz
Quartz
Figure 1: The OBRF2402 module scheme
1. The module shall be only connected to antennas that have an impedance of 50 Ohms to ensure
proper frequency and amplitude behaviour. The same restrictions apply to the antenna feederline. The maximum antenna gain is 0 dBi.
2. On the board layout sufficient distance from antenna to ground layers must be assured as shown
in Figure 2 to avoid amplitude and frequency deviations. This is described in data sheets of the
antenna used.
3. Ground layers on the bottom side of the PCB under the antenna must be avoided.
4. Voltage supply must be jitter free and if a switched power source is used sufficient filtering with
capacitors is needed. Nevertheless the ultra low drop voltage regulator does additional filtering
and the module has its own filter capacitors.
Figure 2: Example board layout.
OBD OBRF2402MI 01
Seite 2 von 2
2005-07-28
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired
operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the
user's authority to operate the equipment.
IC Compliance
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired
operation.

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