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LS RESEARCH TiWi Скачать руководство пользователя страница 8

TIWI TRANSCEIVER MODULES

USER’S GUIDE

The information in this document is subject to change without notice.
Confirm the data is current by downloading the latest revision from www.lsr.com.

LSEVK-WP-01-A2-UG

Copyright © 2010 LS Research, LLC

Page 8 of 35

This user guide will now introduce the evaluation board hardware such that it is
configured correctly in order connect and operate with the newly installed software.
The operation of the software is presented immediately after the hardware
introduction.

2.2 Hardware

1. Install the software described in the previous section, prior to connecting any hardware

to your PC.

Figure 1 shows the LS Research, LSEVK-WP-01-A2 evaluation board:

Figure 1 TiWi Evaluation Board, LSEVK-WI-01-A20

2. Presented on the Next Page in Figure 2, is an annotated assembly drawing of the board

to provide a clear reference to various features of the evaluation board:

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Содержание TiWi

Страница 1: ...to change without notice Confirm the data is current by downloading the latest revision from www lsr com LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 1 of 35 TIWI TRANSCEIVER MODULE User s G...

Страница 2: ...istory 3 2 Quick Start 4 2 1 Software 4 2 2 Hardware 8 2 3 WLAN Test Software Operation 12 2 4 Evaluation Board Schematics and Bill of Material 30 3 EMC Compliance Application Guide 31 3 1 Introductio...

Страница 3: ...ment will also present application guidance such that the module s EMC compliance will not be degraded 1 2 Audience This document is intended to be read by engineers and technical management A general...

Страница 4: ...proper path to radio parameter file ini_file ini Connect to the TiWi LSEVK WI 01 A20 Evaluation board Download test firmware to the TiWi Module via the LSEVK WI 01 A20 Evaluation board Configure and...

Страница 5: ...ent is subject to change without notice Confirm the data is current by downloading the latest revision from www lsr com LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 5 of 35 3 Choose Setup Typ...

Страница 6: ...is document is subject to change without notice Confirm the data is current by downloading the latest revision from www lsr com LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 6 of 35 5 Upon com...

Страница 7: ...cable between the PC and the evaluation board is made it may prompt you for the locations of the necessary drivers Simply cause the driver search routine associated with the plug and play operation to...

Страница 8: ...orrectly in order connect and operate with the newly installed software The operation of the software is presented immediately after the hardware introduction 2 2 Hardware 1 Install the software descr...

Страница 9: ...from www lsr com LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 9 of 35 1 2 3 4 5 Figure 2 TiWi Evaluation Board LSEVK WI 01 A20 Jumper positions Name Selection Options 1 Select power source P...

Страница 10: ...WL Connect to USB 5 VDC pin voltage sourced from BT USB port J6 2J8 VIO SOURCE The input 1 8VDC primary supply for the digital interface circuitry on the module can be supplied externally TM1 or from...

Страница 11: ...section of the module The jumper can be left off but the BT core will draw a small amount of operating background current The BT core can be manually held in reset by depressing S2 This jumper can be...

Страница 12: ...aluation kit J5 Connect a 50 Ohm coaxial cable to SMA connector J4 and terminate in the 50 ohm test equipment port appropriate to the desired measurement WLAN test set for TX RX Spectrum Analyzer for...

Страница 13: ...irm the data is current by downloading the latest revision from www lsr com LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 13 of 35 3 If the plug and play mechanism for the USB serial ports req...

Страница 14: ...data is current by downloading the latest revision from www lsr com LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 14 of 35 4 The installation process should have placed a short cut icon that...

Страница 15: ...esearch LLC Page 15 of 35 5 In the Connect Disconnect Field ensure that COM Port selection is selected to the low port number determined through the use of the Hardware Device Manager 6 Set the Baud R...

Страница 16: ...to change without notice Confirm the data is current by downloading the latest revision from www lsr com LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 16 of 35 10 In the INI file Field select...

Страница 17: ...P 01 A2 UG Copyright 2010 LS Research LLC Page 17 of 35 11 Return to the Connect Disconnect Field and select the Press Here to Connect button The connection indicator in the upper left hand corner sho...

Страница 18: ...irmware Button A firmware downloading progress bar should display the state of downloading progress When the downloading process is complete the device will run the firmware and perform a series of ca...

Страница 19: ...onitored throughout the device operation and are updated periodically Note below the Soc voltage is a drop down selector that can be used to manually change the frequency channel of the transceiver Th...

Страница 20: ...t the device is ready to be configured and tested for basic RF performance Beginning with the TX function select the TX tab 15 The various 802 11 b g n rates can be selected and the Guard Interval Typ...

Страница 21: ...ut power set point Select Power Limiting and check Enable in the CLPC field The update rate of the CPLC in sec can be set but is typically used at the default setting of 0 2 seconds The user can reset...

Страница 22: ...revision from www lsr com LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 22 of 35 18 Presented below is a typical indication for the settings shown using a Litepoint WLAN test set with associat...

Страница 23: ...change without notice Confirm the data is current by downloading the latest revision from www lsr com LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 23 of 35 These same measurement indications...

Страница 24: ...igure the Vector Signal Generator VSG to generate an appropriately formatted signal and apply it the receiver For this example the VSG associated with the Litepoint IQsignal for MIMO is used Set the p...

Страница 25: ...nd Reset statistics The RX statistic counters should be actively incrementing upon a reception of a packet Generally speaking there will be address mismatches and Good Packets will not be indicated Ho...

Страница 26: ...h LLC Page 26 of 35 21 By decreasing the available power to the receiver receiver input power to near the expected sensitivity level FCS errors will start be indicated and the PER will increase Genera...

Страница 27: ...sion from www lsr com LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 27 of 35 22 The software tool can also be used to set the device into some of its low power modes The transceiver can be set...

Страница 28: ...tion in this document is subject to change without notice Confirm the data is current by downloading the latest revision from www lsr com LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 28 of 35...

Страница 29: ...SEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 29 of 35 24 To disconnect the device return to the connection tab and select Press Here to Disconnect If one wants to ensure minimum current draw t...

Страница 30: ...om LSEVK WP 01 A2 UG Copyright 2010 LS Research LLC Page 30 of 35 2 4 Evaluation Board Schematics and Bill of Material The evaluation board schematics are provided on the CD as a pdf file as a referen...

Страница 31: ...Presetta 1000423 and Johnson Emerson U FL to U FL coaxial cable 415 0088 150 The antennas should placed such that they are minimally disturbed by the product s packaging material The incorporation of...

Страница 32: ...Emissions in accordance to the FCC guidelines 7 The module is to be placed in the receive mode for this test see step 20 3 7 Marking Requirements for End Product and Compliance Statements Federal Comm...

Страница 33: ...be so chosen that the equivalent isotropically radiated power e i r p is not more than that permitted for successful communication This device has been designed to operate with the antennas listed in...

Страница 34: ...e outside of the device into which the module is installed must also display a label referring to the enclosed module In that case the final end product must be labeled in a visible area with the foll...

Страница 35: ...AIMS ANY EXPRESS IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT IN NO...

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