Sivantos RFM001 Behind the Ear hearing aid module User Manual Integration Manual

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Document ID	3762534
Application ID	Tk0aWQ/KRLhmwd4Lxvz7Hg==
Document Description	Integration Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	28.84kB (360526 bits)
Date Submitted	2018-02-27 00:00:00
Date Available	2018-02-27 00:00:00
Creation Date	2018-02-26 02:29:53
Producing Software	Microsoft® Word 2016
Document Lastmod	2018-02-26 02:29:53
Document Title	Integration Manual
Document Creator	Microsoft® Word 2016
Document Author:	schaulu5

Integration manual
for module “e2e 3.5 RF”
The “e2e 3.5 RF” radio module contains two radio transceivers running at 3.28 MHz and
2.45 GHz which are implemented in a single hardware platform.
The 3.28 MHz radio consists of a nearfield inductive magnetic transceiver. It uses time
division duplex and runs on a single channel with phase modulation. The signal is
transmitted by a coil antenna. The intended use of this radio is to exchange data
between two hearing aids or to communicate with a proprietary accessory.
The 2.45 GHz radio is mainly used for Bluetooth ® Low Energy Radio communication. In
addition to that, the receiver is also capable of proprietary communication modes. The
transceiver is connected to a differential antenna. The intended use of this radio is to
exchange data between hearing aids and Bluetooth accessories.
The main part of the module is a set of analog and digital ASICs which contain both
radios. These ASICs are mounted on a flex PCB. In addition to that the module comprises
the coil antenna for the nearfield inductive magnetic system, two crystals and an
EEPROM memory. The dedicated antenna for the 2.45 GHz radio is applied on the
plastic frame of the hearing aid. The matching circuitry between the radio ASIC and the
antenna is also on the flex PCB. During production the antenna is attached on the frame
and soldered to the antenna solder points on the flex PCB.
On the flex PCB additional components are mounted and connected to the radio
module. These include microphones, the connector to the external speaker, push
buttons, the telecoil and the battery connector. The system is powered by a coin cell
battery, all necessary voltage regulators are included in the module.
The PCB with the module and all other components of the hearing aid are arranged in a
plastic frame that is not user serviceable or user modifiable. The outer housing may be
replaced by field service but this is not relevant for the wireless module.
Sivantos GmbH - R&D PFD WS-L - Richard Rose
Page 1 of 2
Erlangen, 2017-02-26
The module is thus not installed but instead assembled at the same time as the host is.
The position of components and interconnection through the PCB are decided during
the project phase for the different hosts and following the best practice of the
engineering team in order to assure an optimal integration of the module.
Several validation steps are done through the development to assure the full
compliance with all the regulatory requirements.
The user guide must contain the FCC ID
Contains FCC ID: SGI-RFM001
and following statements:
This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the
following measures:
■ Reorient or relocate the receiving antenna.
■ Increase the separation between the equipment and
receiver.
■ Connect the equipment to an outlet on a circuit different
from that to which the receiver is connected.
■ Consult the dealer or an experienced radio/TV technician for
help.
For body worn operation, this device has been tested and meets
the FCC RF exposure guidelines when used with the legal
manufacturer’s accessories supplied or designated for this product.
Use of other accessories may not ensure compliance with FCC RF
exposure guidelines.
Sivantos GmbH - R&D PFD WS-L - Richard Rose
Page 2 of 2
Erlangen, 2017-02-26

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