Wlink Electronic Technology BT3GMD-A30P Bluetooth 3.0 Audio Module User Manual

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Document ID	1796860
Application ID	3Zukkbuj/j21czmoDrXnTg==
Document Description	User Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	181.29kB (2266156 bits)
Date Submitted	2012-09-20 00:00:00
Date Available	2012-09-20 00:00:00
Creation Date	2012-09-17 11:04:49
Producing Software	PDF Page Organizer 2.93 - Foxit Software
Document Lastmod	2012-09-20 15:43:36
Document Title	User Manual
Document Author:	Acampo GmbH

Product Specification
WLINK TECHNOLOGY LTD.
Features：
Bluetooth 3.0 Audio Module, Class 2
The BT3GMD-A30P offers the following features:
● A2DP1.2 using SBC decoder for streaming audio over
Bluetooth and AVRCP 1.4 for remote control functionality
Version: V1.0
Mar 2012
● Configurable seven-band speaker equalization as well as ten
presets allowing multiple music listening styles
● High quality 96 dB SNR DACs with 44.1 and 48 kHz sample rates for high-fidelity
playback
● Single-chip Bluetooth 3.0 transceiver supporting
Bluetooth 2.1 + Enhanced Data Rate (EDR) and
Bluetooth 2.0, 1.2, and 1.1 backward compatibility
● Best-in-class Bluetooth radio with up to 8 dBm transmit power and -91dBm receive
sensitivity
● Support for side tone and digital microphones
● Supports microphone and speaker HW equalization
● automatic volume control (AVC)
● Switching regulator, battery charger, and power management unit
● Supports fast charging, power dissipation monitoring, and optional charger voltage
regulation
● Dual high quality 8 kHz and 16 kHz audio MIC inputs
● Multilanguage voice prompt
● Voice command recognition
Product Description:
The BT3GMD-A30P is a Bluetooth 3.0 Module solution integrating common components
required for cost and performance-optimized stereo headset designs.
The BT3GMD-A30P also delivers differentiating features including enhanced audio quality,
reduced charging times, A2DP, and multipoint connections through the integration of
various noise suppression technologies, noise and echo reduction headset, for high-end
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Page 1 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534
WLINK TECHNOLOGY LTD.
Product Specification
and cost and performance-optimized stereo headsets.
The BT3GMD-A30P supports Bluetooth SIG-compliant wideband speech implementation
to greatly enhance the audio quality with both PCs and cell phones.
The BT3GMD-A30P supports the Bluetooth 3.0 standard, adding enhanced power control,
simple and secure pairing, and enhanced inquiry response as value-added features for
Bluetooth headsets. All major functional blocks required for a Bluetooth stereo headset,
including switcher, charger, and stereo audio codec are
The module includes EEPROM, crystal, and PCB antenna.
Applications:
● High-End Stereo Wireless Headsets
● High-END Mono Headsets
● Hands-Free Car Kits
● Wireless Speakers
Functional Block Diagram:
Figure 1: BT30MD-A30P Block Diagram
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Page 2 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534
WLINK TECHNOLOGY LTD.
Product Specification
Physical Description:
The BT30MD-A30P is a 13.5mm×22mm FR4 PCB with 30 pads located around the
perimeter.
Table 1 shows the pinout diagram of the module.
Table 1 Pin Location
Figure 2: Module PCB Top View
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Page 3 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534
WLINK TECHNOLOGY LTD.
Product Specification
Table 2 Pin Function Descriptions
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Page 4 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534
WLINK TECHNOLOGY LTD.
Product Specification
Supporting Documentions:
Reference Schematic:
The most recent schematic , bill of materil ,and layout file are available from the WLINK
TECHNOLOGY LTD.. Contact your WLINK representative for details.
Layout Considerations:
The BT30MD-A30P module is placed at the location where the antenna is away from the
power supply(i.e.,BT1 Battery contacts)and any digital signal traces.. The antenna
keep-out area which is 5mm around the parameter of the module region is shown in the
red dotted box. PCB material and signal traces should not be placed within the antenna
keep-out area to assure optimum antenna performance.
Figure 3: Design reference
Electrical Characteristics:
Table 3: Maximum Electrical Rating
__________________________________________________________________________________
Page 5 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534
WLINK TECHNOLOGY LTD.
Product Specification
Table 4:Power Supply Current (with a Nominal 3.7V Battery Voltage)
Table 5: Audio DAC Path Performance Specifications, 8 kHz and 16 kHz Sample Rate
__________________________________________________________________________________
Page 6 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534
WLINK TECHNOLOGY LTD.
Product Specification
RF Specification:
Table 6 : Receiver RF Specifications
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Page 7 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534
WLINK TECHNOLOGY LTD.
Product Specification
Table7: Transmitter RF Specifications
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Page 8 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534
WLINK TECHNOLOGY LTD.
Product Specification
Application Examples:
·Stereo Headphones
·Wireless stereo speakers
·Soundbars
·Mono Headsets
·Handsets
·and more…
Figure 4 : Application
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Page 9 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534
Product Specification
WLINK TECHNOLOGY LTD.
Mechanical Specification:
Weight:
Figure 5: BT3GMD-A30P Module PCB Layout
Federal Communication Commission Interference Statement
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 of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
__________________________________________________________________________________
Page 10 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534
WLINK TECHNOLOGY LTD.
Product Specification
- Connect the equipment into 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.
FCC Caution: Any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate this equipment. 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.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment.
Declaration the Restriction of this Limited Module Approval:
According to FCC Part 15 Subpart C Section 15.212, the radio elements of
the modular transmitter must have their own shielding. However, due to there
is no shielding for this Bluetooth Module, this module is granted as a Limited
Modular Approval. When this Bluetooth Module is installed into the End Prouduct
by a specific manufacturer, this specific manufacturer should re-evaluate that End
Product for the Spurious Emission Test to ensure the full compliance of 15.247 requirements.
End Product Labelling
The final end product must be labelled in a visible area with the following" Contains FCC
ID: OZJBT3GMD-A30P ". The FCC part 15.19 statement below has to also be available
on the label: This device complies with Part 15 of FCC rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference and (2) this
__________________________________________________________________________________
Page 11 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534
WLINK TECHNOLOGY LTD.
Product Specification
device must accept any interference received, including interference that may cause
undesired operation.
Manual Information to the End User
The OEM integrator has to be aware not to provide information to the end user regarding
how to install or remove this RF module in the user’s manual of the end product which
integrates this module.
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Page 12 of 12
Taiwan H/Q Add.: No.46, Aly. 108-3 , Ln. 445 , Sec. 2, Meishi Rd., Yangmei City, Taoyuan County 326,
Taiwan (R.O.C.)
Tel: +886-3-4811534

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