Table of Content
1.
Generalities
2
1.1
Introduction ...................................................................................................................... 2
1.1.1
Overview ..........................................................................................................................................................2
1.1.2
Aim of the document ........................................................................................................................................2
1.2
Services provided by the feature or equipment ...................................................................... 2
1.3
External Interfaces ............................................................................................................ 2
1.4
Terminology / Abbreviations ............................................................................................... 7
1.5
Related Documents........................................................................................................... 7
1.6
Features .......................................................................................................................... 8
2.
General Requirements 8
2.1
Standards ........................................................................................................................ 8
2.1.1
BT related certification ...................................................................................................................................8
2.2
Environmental requirements ............................................................................................. 11
3.
General Description
11
3.1
Bluetooth WLAN daughter board BT stack diagram .............................................................. 11
3.2
Bluetooth WLAN daughter board bloc diagram .................................................................... 12
3.3
Mechanical aspects......................................................................................................... 12
3.4
Specification .................................................................................................................. 15
4.
Detailed Technical Description 18
4.1
Electronic ...................................................................................................................... 18
4.1.1
RF solution to be implemented .................................................................................................................... 18
4.1.2
Schematic ...................................................................................................................................................... 18
4.1.3
BOM .............................................................................................................................................................. 19
4.2
Radio frequency ............................................................................................................. 21
4.2.1
Antenna ......................................................................................................................................................... 21
4.2.2
Immunity to external spurious and interferences ....................................................................................... 25
4.3
Layout........................................................................................................................... 26
4.3.1
BTWDB layout .............................................................................................................................................. 26
4.3.2
Place requirements of BTWDB on mainboard ........................................................................................... 26
Страница 1: ...on 8 2 2 Environmental requirements 11 3 General Description 11 3 1 BluetoothWLAN daughter boardBT stack diagram 11 3 2 BluetoothWLAN daughter board bloc diagram 12 3 3 Mechanical aspects 12 3 4 Specification 15 4 Detailed Technical Description 18 4 1 Electronic 18 4 1 1 RF solution to be implemented 18 4 1 2 Schematic 18 4 1 3 BOM 19 4 2 Radio frequency 21 4 2 1 Antenna 21 4 2 2 Immunity to exter...
Страница 2: ...e from AMPAK with an integrated antenna on the layout Printed antenna 1 1 2 Aim of the document A pre study has been done in order to define the best choices for the whole solution going from antenna to the BT and WLANmanagement software in the phone This document is intended to give all the technical inputs in order to make a BTWDB daughter board which will be used on the Alcatel Lucent Enterpris...
Страница 3: ...ections 9 SDIO_DATA_CLK I O SDIO clock line 1 8V 10 GND G Ground connections 11 SDIO_DATA_0 I O SDIO data line 0 1 8V 12 SDIO_DATA_1 I O SDIO data line 1 1 8V 13 GND G Ground connections 14 VDDIO P I O Voltage supply input 1 8V 15 GND G Ground connections 16 BT_CLK I External Low Power Clock input 32 768KHz 1 8V 17 GND G Ground connections 18 BT_REG_ON I Power up down internal regulators used by B...
Страница 4: ...ions The VBAT pin can accept 3 3V 5 Typical value is 3 3V but this depends on the motherboard Mainboard through UART bus to send HCI commands to activate Bluetooth function The UART is a standard 4 wire interface RX TX RTS and CTS with adjustable baud rates from 9600 bps to 4 0 Mbps The interface features an automatic baud rate detection capability that returns a baud rate selection Alternatively ...
Страница 5: ...eds SDR50 100Mbps SDR104 208MHz and DDR50 50MHz dual rates in addition to the 3 3V default speed 25MHz and high speed 50 MHz It has the ability to stop the SDIO clock and map the interrupt signal into a GPIO pin This out of band interrupt signal notifies the host when the WLAN device wants to turn on the SDIO interface The ability to force the control of the gated clocks from within the WLAN chip ...
Страница 6: ...r sequencingof the signalsfor carious operatingstates The timingvalue indicatedare minimumrequiredvalues longerdelaysare also acceptable WL_REG_ON Used by the PMU to powerup or powerdown the internal regulators used by the WLAN section When this pinis high the regulators are enabledand the WLAN sectionis out of reset When this pinis low the WLAN sectionis in reset BT_REG_ON Used by the PMU to powe...
Страница 7: ...ions BTWDB BlueTooth WLANDaughter Board BT BlueTooth 1 5 Related Documents Document Reference number Alcatel documents 1 PLEIADES HLA for the new range docx OD 401314 2 External documents 3 AP6256 datasheet_V2 5_03022020 pdf 4 ...
Страница 8: ... Bluetooth Class2 transmitter operation Supports extended synchronous connections eSCO for enhanced voice quality by allowing for retransmission of dropped packets Adaptive frequency hopping AFH for reducing radio frequency interference Interface to the motherboard with UART and PCM UART up to 4Mbps Integrate PCB antenna which will be shared Bluetooth and WLAN 2 General Requirements 2 1 Standards ...
Страница 9: ...rant of equipment authorization FCC Identifier TCB Service Canada RSS Gen issue 5 RSS 247 issue 2 IC Registration Record in Radio Equipment List REL Australia NZ AS NZS 4268 2017 Bluetooth qualification test report Bluetooth Classic and low energy version 5 0 Profiles supported To be difined product listed at Bluetooth SIG under ALE International company Wi Fi compliance Connectivity a b g n ac ax...
Страница 10: ...tter and the body Refer to FCC KDB Publication 447498 D01 EUROPE AUS NZ EN 62311 2008 Canada RSS 102 Issue 5 Australia NZ ARPPANSA Maximum Exposure Levels to Radiofrequency Fields 3 kHz to 300 GHz ECO DESIGN Persistent Organic Pollutants European Regulation N 2019 1021 EU ROHS EU Directive 2011 65 EU including Commission delegated directive 2015 863 REACH European regulation N 1907 2006 Certificat...
Страница 11: ...board BT stack diagram Broadcom s Bluetooth Simple API BSA is a host software stack solution designed to simplify Bluetooth applications development for a wide range of embedded platforms Based on a client server model the BSA Bluetooth daemon server runs the Broadcom Bluetooth stack protocols and profiles and drives the UART USB HCI supported Bluetooth module Client applications connect to the se...
Страница 12: ...it with a dongle or directly mounted on board For radiofrequencypropagation reasons the antenna area must not cover any copper plane For industrial reasons the board must lay on the CPU board on at least 2 3 of it s surface Examples of implementation follow Another alternative best is Copper OK No copper under antenna L L 3 max ...
Страница 13: ...nnections The connections number is 33 spread over three sides of the board as following Mounting on boards The daughter board is mounted flat directly on the other boards This means that There is no component on the bottom side of the BTWDB o Also signal vias shall be prohibited to avoid risks of short circuit with main board GND There is no component on top of the mainboard PCB Metal holes Gold ...
Страница 14: ...d during soldering process due to differential thermal expansion of the copper layers The cut hole size must be defined big enough in order to get a solid solder area and to avoid that the copper of the hole is snatched during milling process The solder is put here Mainboard Daughter board ...
Страница 15: ...e withenough vias Dotted line is the board outline 3 4 Specification Model Name BTWDB01 Product Description 1Tx 1Rx 802 11 ac a b g n Wi Fi BT 5 0 Module Dimension L x W 29 x 17 5 Typ mm H 2 45 Max mm WiFi Interface SDIO V3 0 BT Interface UART PCM Operating temperature 5 C to 45 C VBAT type 3 3 Volts VDDIO type 1 8 Volts ...
Страница 16: ...s EDR 2 3Mbps LE 1Mbps 2Mbps Host Interface UART Frequency Band 2402 MHz 2480 MHz Number of Channels 79 channels for classic 40 channels for BLE Modulation GFSK π 4 DQPSK 8DPSK RF Specification MAX dBm BDR Output EIPR Power 6 EDR Output EIPR Power 6 LE Output EIPR Power 6 WLAN RF specification ...
Страница 17: ......
Страница 18: ...t power is 6dBm This module integrates the baseband the RF amplifier and power regulator It needs externally a bandpass filter antenna an accurate 37 4MHz source crystal with less than 20ppm initial temperature aging A standard slowclock at 32 768 KHz for low power modes 30ppm which will be provided by the CPU This clock MUST stay active continuously even in SLEEP mode where it is mandatory to wak...
Страница 19: ...CK FILM_0Ohm_0 _0402 R2 1AB088200009 CAP_CER CM L2_X7R_100nF_10 _16V_0402_550um C4 1AB088200009 CAP_CER CM L2_X7R_100nF_10 _16V_0402_550um C7 1AB088200009 CAP_CER CM L2_X7R_100nF_10 _16V_0402_550um C9 1AB088200009 CAP_CER CM L2_X7R_100nF_10 _16V_0402_550um C8 1AB088200009 CAP_CER CM L2_X7R_100nF_10 _16V_0402_550um C6 ...
Страница 20: ...CER CM L2_X5R_4 7uF_10 _6 3V_0603_900um C3 1AB147730004 CAP_CER CM L2_X5R_4 7uF_10 _6 3V_0603_900um C12 1AB150920003 INDUCTOR_RF_1 2nH_25 _300mA_100MHz 1GHz_UNSHLD_SM1005 040 2 _ML L1 1AB399060001 INDUCTOR_RF_2 2uH_20 _1 2A_SHLD_SM2520 1008 _ML L2 1AB110820013 CAP_CER CM L1_C0G_500fF_ 25pF_50V_0402_550um C2 1AB203820005 MMIC UWAVE_BT5 0_WIFI module_AP6256_PLCC44_shielding D1 1AB226670015 XTAL_37 4...
Страница 21: ...on from Alcatel 4 2 Radio frequency 4 2 1 Antenna We use PCB antenna to compatible with 2 4GHzand 5GHZ This is a low cost solution We choice the meandered inverted F antenna which is a variant to have more compacity Width of wide Antenna trace 1 1mm Width of narrowAntenna trace 0 7mm simulation value for designed Antenna pattern efficiency ...
Страница 22: ...All rights reserved Passing on and copying of this document use and communication of its contents not permitted without written authorization from Alcatel 5GHz current and radiation diagram simulation ...
Страница 23: ...s reserved Passing on and copying of this document use and communication of its contents not permitted without written authorization from Alcatel S11 diagram simulation Real Antenna RF 3D Gain 2405 2800M 3D GAIN ...
Страница 24: ...ot permitted without written authorization from Alcatel 5100 5900M 3D GAIN Total Response dB 20 5 15 10 5 0 X Y Z Azimuth 0 0 Elevation 0 0 Roll 0 0 Total Response dB 20 5 15 10 5 0 Z Y X Azimuth 88 9 Elevation 2 2 Roll 90 2 Total Response dB 20 5 15 10 5 0 X Z Y Azimuth 13 5 Elevation 86 3 Roll 77 2 ...
Страница 25: ...ferences The RF radio can be perturbed by external high amplitude radiofrequency fields In this case the RF may show high bit error rate for example To improve the immunity we choice AMPAK AP6256 chip there is a shield to cover on RF chip and related RF circuit Total Response dB 25 0 20 15 10 5 X Y Z Azimuth 0 0 Elevation 0 0 Roll 0 0 Total Response dB 25 0 20 15 10 5 Z Y X Azimuth 89 1 Elevation ...
Страница 26: ...Instruments must be followed 4 3 2 Place requirementsof BTWDB on mainboard To make the BTWDB on mainboard has similar antenna resonant frequency as BTWDB alone there are some BTWDB place requirements 1 The under space of the BTWDB antenna need to be empty 2 Metal material should be 1cm long away antenna 4 4 RF Module label L Label 4 4 1 L Label characteristics Dimensions 10x10 mm Label location On...
Страница 27: ... x 17 5 Typ mm H 2 45 Max mm 4 4 3 L Label content The information available on this label are Product information G2 Manufacturing information G5 G7 G13 The details for each kind of information is provided in the example of label hereafter L Label content yellow bullets x are contextual and need to be updated with product information s QR code contains 1cm 3ML26108AAAA01 SER202112345 0 5cm BT W D...
Страница 28: ...tion 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 r...
Страница 29: ...brouillage susceptible de provoquer un fonctionnement indesirable RF exposure information This device complies with FCC and IC radiation exposure limits set forth for an uncontrolled environment Cet appareil est conforme aux limites d exposition aux rayonnements de la FCC et de l IC établies pour un incontrôlé environnement The device should be installed and operated with a minimum distance of 20c...
Страница 30: ...rt 15 Subpart B ICES 003 such as digital devices computer peripherals radio receivers etc and to additional authorization requirements for the non transmitter functions on the transmitter module i e Suppliers Declaration of Conformity SDoC or certification as appropriate for example Bluetooth and Wi Fi transmitter modules may also contain digital logic functions LABELING AND USER INFORMATION REQUI...