Conexant Systems 37300XU Wireless LAN transmitter User Manual
Conexant Systems Inc. Wireless LAN transmitter
Manual
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| Document ID | 177574 |
| Application ID | DjDX3SzdpIYUVGmFdMRSwQ== |
| Document Description | Manual |
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| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 40.2kB (502527 bits) |
| Date Submitted | 2001-11-05 00:00:00 |
| Date Available | 2001-11-05 00:00:00 |
| Creation Date | 2001-01-22 08:45:52 |
| Producing Software | Acrobat Distiller 4.05 for Windows |
| Document Lastmod | 2001-10-22 12:01:18 |
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ISL37300XU-EVAL TM Data Sheet PR ELI MI NA RY PRISM 2.5 11Mbps Wireless Local Area Network USB Card tle jec ho () ato CI ar es ar The Intersil ISL37300XU WLAN USBcard is a complete wireless high speed Network Interface Card (NIC) utilizing the Intersil PRISM® 2.5 Direct Sequence Spread Spectrum Wireless Transceiver chip set. It provides a complete PRISM 2.5 reference design evaluation platform of hardware and software to system providers or integrators requiring wireless data communications capability and is ideal for integration into computer platforms. The Evaluation kit (ISL37300XU-EVAL) includes two WLAN USB-cards designed to Intersil’s Prism reference design, Microsoft Windows® Driver, Local Area Network evaluation software, Prism Test Utilities (PTU) (note 1) software and documentation to complete the evaluation. It supports the IEEE 802.11b network specification for Direct Sequence Spread spectrum DSSS signaling, providing data rates of 1, 2, 5.5, and 11 Mbps. Evaluation kit software updates are available on the Intersil Web Site. In addition to the evaluation kit, a complete PRISM chipset WLAN reference design package (ISL37300XU-CD) is available. It contains all the documentation needed for manufacturing of the Prism 2.5 USB wireless network card including: Cadence/Allegro Layout, Gerber files, Concept schematic, Bill of Materials, assembly and mechanical drawings, test plan, and even a copy of the application for FCC equipment authorization. Customers who license the reference design also receive password access to FCC Intersil’s Premier Web site for up to the minute updates on hardware and software. September 2001 File Number FNXXXX Features • Certified Under Part 15 to Operate in 2.4GHz ISM Band (Approval Pending) • Support for 11, 5.5, 2 and 1 Megabit Per Second (Mbps) Data Rates • Supports the lEEE 802.11 Direct Sequence Specification • Driver Supports Microsoft® Windows® 95, 98, 98SE, 2000, NT and ME • Supports Dual Diversity Antennas • Advanced RAKE Receiver Design with Decision Feedback Equalizer combats multipath fading • Provides Wireless Data Communications at Full Ethernet Speed • Designed to Fully Support USB specification 1.1 Defined Mechanical and Environmental Stress Conditions • Intelligent Power Control, Including IEEE 802.11 Power Save Mode • Complete Reference Design, the ISL37300XU CD is available to ensure Minimum Time-to-Market NOTES: 1. At present, PTU supports Windows 95, 98 and 98SE. An upgrade is in process which will add support for NT. 2. The range will vary in different operating environments due to effects such as building construction Ordering Information PART NUMBER ISL37300XU-EVAL DESCRIPTION WLAN Evaluation Kit CARDS/SET Packaging CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2001, All Rights Reserved FNXXXX Access Points will be available from a number of suppliers, enabling a totally wireless network solution. Typical operating ranges are shown in Table 1.. TABLE 1. TYPICAL OPERATING RANGE (NOTE 2 ) DATA RATE (Mbps) INDOOR RANGE OUTDOOR RANGE 11 120 feet (37 meters) 500 feet (152 meters) 5.5 200 feet (61 meters) 800 feet (243 meters) 240 feet (73 meters) 1300 feet (396 meters) 300 feet (91 meters) 1750 feet (533 meters) The ISL3873 Media Access Controller (MAC) Protocol Handler The ISL3873 MAC/Baseband Processor and its firmware are responsible for running the IEEE 802.11 protocol in the WLAN card. This section describes the features of IEEE 802.11 that are implemented. The functions supported by the STA (station) Firmware are: • CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) with Random Backoff • WEP Security • Short/Long Preamble with multirate Functional Overview The WLAN USB-Card is designed to operate in the 2.4GHz ISM frequency band, channels 1 to 11, as specified by the FCC in the USA. The card will also operate on channels 12 through 14, where permitted by local regulatory authorities. Radio equipment must be certified in a country prior to use. Refer to Table 4 for a list of countries and agencies that have approved the ISL37300XU-EVAL for operation. • RTS/CTS Handshake (Ready To Send/Clear To Send) and NAV Management (Network Allocation Vector) • MAC Level Acknowledgments (Media Access Control) • Re-Transmission of Unacknowledged Frames • Duplicate Detection and Rejection • Broadcast and Multicast Frames The Intersil PRISM Chip Set allows for high level integration for reduced size, increased throughput, improved radio performance and faster time to market. The WLAN USB-card implements Direct Sequence Spread Spectrum DSSS technology providing superior noise and signal jamming immunity including less severe impact from unintentional radiators such as microwave ovens. The user can connect the USB-card in an ad-hoc peer to peer networking scheme, allowing for instant network setup in any office environment. By using an access point, the wireless LAN can be set up to allow for a greater number of users to interconnect, and to increase the coverage area. With a portal (i.e. Access Point), the wireless LAN can be easily connected into an existing wired LAN, allowing for easy expansion of the service. Compared to the PRISM II chip set, the PRISM 2.5 generation offers: • Low loss front end designed for maximum range • Higher level of chip integration and less peripheral components to reduce material costs • Fragmentation and Re-Assembly • Power Management (Planned) • Timestamp Synchronization • DCF (Distributed Coordination Function) • Beacon Generation in an Ad-Hoc Network • Probe Response Generation in an Ad-Hoc Network Card Information Structure The standard Intersil WLAN USB-card will be supplied with information embedded in the PDA for use in enumeration. Table 2 shows the Plug Record and the default information. Customization of the enumeration values can be performed by modifying the PDA plug records and reflashing the PDA, Primary, and Secondary. Please refer to the Prism Driver Programmers Manual for more information. • Support of optional IEEE 802.11 Short Preamble for significantly increased data throughput A complete Reference Design for the ISL37300XU is available to ensure minimum time-to-market. This information contains details for manufacturing a USB-card WLAN assembly, including Gerber PC board files, a Bill of Material with component sourcing, mechanical drawings, a detailed Radio Description with debug directions and a test plan. TABLE 2. Plug Record Contents Usage Default 401 Vendor/Product ID XXXX XXXX 407 Bus/Self Powered Bus Powered (value XXXX) FNXXX IEEE 802.11 International Agreement and Frequency Assignments TABLE 3. IEEE 802.11 CHANNELS CHANNEL NUMBER CHANNEL FREQUENCY GEOGRAPHIC USAGE 2412MHz US, CA, ETSI, MKK 2417MHz US, CA, ETSI, MKK 2422MHz US, CA, ETSI, MKK 2427MHz US, CA, ETSI, MKK 2432MHz US, CA, ETSI, MKK 2437MHz US, CA, ETSI, MKK 2442MHz US, CA, ETSI, MKK 2447MHz US, CA, ETSI, MKK 2452MHz US, CA, ETSI, MKK 10 2457MHz US, CA, ETSI, MKK, FR, SP Although information contained in Table 3 is deemed to be accurate, local regulatory authorities should be consulted before using such equipment. 11 2462MHz US, CA, ETSI, MKK, FR, SP 12 2467MHz ETSI, FR, MKK The ISL37300XU is shipped with FCC-compliant firmware. In order to ensure regulatory-compliant channel usage in a particular country, special geographic-specific firmware is available for customer production assemblies which restricts channel usage. Examples include ETSI-compliant firmware, etc. Since the end user does not have the ability to alter this firmware, regulatory compliance is ensured 13 2472MHz ETSI, FR, MKK 14 2484MHz MKK The IEEE 802 LAN committee has forged an international agreement providing for wireless data communication standards for the frequency range of 2.4GHz to 2.4835GHz, as allocated by the FCC in the USA, and in the 2.471GHz to 2.497GHz frequency range, as specified by the regulatory authority in Japan. These standards are designed to focus the industry to develop highly integrated, low cost, interoperable WLAN equipment, of which the ISL37300XU-EVAL is a prime example. In the U.S., there are 11 channels specified by the FCC in the 2.412GHz to 2.462GHz range. In Japan, one channel at 2.484GHz is authorized. The ETSl (European) regulatory body conforms to the USA (FCC) channel assignments with the exception that channels 12 and 13 are also allowed. Some countries in Europe, notably France and Spain have unique channel restrictions. The available channels of operation in the 2.4GHz to 2.4835GHz and 2.471GHz to 2.497GHz ranges are as follows: KEY: US = United States, CA = Canada, ETSI = European countries (except France and Spain), FR = France, SP = Spain, MKK = Japan Agency and Regulatory Body Approvals The WLAN USB-card will comply to the standards shown in Table 4: TABLE 4. COMPLIANCE STANDARDS COUNTRY APPROVAL NOTES USA FCC part 15, Sec. 15.247, Sec. 15.107 and 15.109 Approval pending for Intentional Radiators & Computer Peripheral Canada ICAN RSS-210 Designed for compliance Europe Designed for EN 60950 compliance EN 301 489-1 V1.2.1 (2000-08) EN 301 489-17 V1.1.1 (2000-09) EN 300 328 Part 1 V1.2.2 (2000-07) EN 300 328 Part 2 V1.1.1 (2000-07) Japan ARIB STD-T66 ARIB STD-33 Designed for compliance FNXXXX FCC Information to user References This product does not contain any user serviceable components and is to be used with approved antennas only. Any product changes or modifications will invalidate all applicable regulatory certifications and approvals. For Intersil documents available on the internet, see web site http://www.intersil.com FCC Electronic Emission Notices 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 2. This device must accept any interference received, including interference that may cause undesired operation. FCC Radio Frequency 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 when the equipment is operated in a commercial environment. 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. Operation of this equipment in a residential area may cause harmful interference in which case the user will be required to correct the interference at his own expense. 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 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. or Intersil AnswerFAX (321) 724-7800. [1] TB337 Tech Brief, Intersil Corporation, “A Brief Tutorial on Spread Spectrum and Packet Radio”, AnswerFAX document No. 82337. [2] TB382 Tech Brief, Intersil Corporation, “Measurement of WLAN Receiver Sensitivity” [3] AN9850 Application Note, Intersil Corporation, “Complementary Code Keying Made Simple” [4] TB395, Tech Brief, Intersil Corporation, “RF Probing of the ISL37300P and the ISL37300XU” [5] AN9829 Application Note, Intersil Corporation, “Brief Tutorial on IEEE 802.11 Wireless LANs” [6] AN9820 Application Note, Intersil Corporation, “A Condensed Review of Spread Spectrum Techniques for ISM Band Systems” Further information can be found in the following: • Intersil PRISM 2.5 data sheets, web home page, http://www.intersil.com/design/prism/ser-p25-11mbps.asp • IEEE 802.11 Standards Project (available from the IEEE, New York, USA). FNXXXX Absolute Maximum Ratings Operating Conditions Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 5.5V (Max) Storage Temperature (Note 3). . . . . . . . . . . . . . . . . . . . . . . . -20oC to 85oC Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0oC ≤ TA ≤ 70oC Supply Voltage Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V Caution: These are the absolute maximum ratings for the USB-card product. Exceeding these limits could cause permanent damage to the card. NOTE: 3. All temperature references refer to ambient conditions. Test Conditions: Supply Voltage (VCC) = 5.0V, Ambient Temperature (TA) = 25oC, Unless Otherwise Specified Electrical Specifications PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS CURRENT CONSUMPTION Initialization Current ICC mA Average Current (2% TX; 8% RX; 90% Power Save) ICC mA Continuous Transmit Mode ICC 346 mA Continuous Receive Mode ICC 237 mA Current in IEEE 802.11 Power Save Mode ICC TBD mA Receiving Valid Packets USB LOGIC LEVELS Required at target connector input Differential “1” (D+) - (D-) > 200mV and D+ > Vih 3.3 Differential “0” (D-) - (D+) > 200mV and D- > Vih 3.3 RF SYSTEM SPECIFICATIONS Transmitter Power Output Pout Using Murata probe (MXGS83RK3000) at J1 and series blocking capacitor 16 dBm EIRP EIRP @ -30 dB 1st Side Lobes 18.7 dBm Receive Sensitivity RX_S 1Mbps, 8% PER -93 dBm 2Mbps, 8% PER -90 dBm 5.5Mbps, 8% PER -89 dBm 11Mbps, 8% PER -85 dBm Multipath Delay Spread using Naftali Model (TDelay) Multipath Receive Sensitivity using JTC models (note 5) RX_SJTC Maximum Receive Level RX_MAX 2Mbps, 8% PER TBD nSec 5.5Mbps, 8% PER TBD nSec 11Mbps, 8% PER TBD nSec 1Mbps, 8% PER, Office C Delay spread = 450ns TBD dBm 2Mbps, 8% PER, Commercial B Delay spread = 150ns TBD dBm 5.5Mbps, 8% PER, Commercial B Delay spread = 150ns TBD dBm 11Mbps, 8% PER, Commercial B Delay spread = 150ns TBD dBm PER <8% (11 Mbps) >10 dBm FNXXX Test Conditions: Supply Voltage (VCC) = 5.0V, Ambient Temperature (TA) = 25oC, Unless Otherwise Specified (Continued) Electrical Specifications PARAMETER SYMBOL Third Order Intercept Point (Input) TEST CONDITIONS MIN TYP MAX UNITS IIP3_HG High gain mode -10 dBm IIP3_LG Low gain mode TBD dBm TX_sup Test Mode Image Rejection IR PER <8% 45 dB IF Rejection IFR PER <8% >84 dB Adjacent Channel Rejection ACR PER <8%, 11Mbps signal w/ 11 Mbps jammer 25 MHz offset (Note 4) Data Rate (Physical Layer) Rate Carrier Suppression -51 46 -41 47 -35 49 1, 2, 5.5 and 11 dB dB Mbps 4. The adjacent channel measurement is carried out on two channels separated by 25MHz (5 channels). 5. The jammer signal is a continuos DSSS 11 Mbps waveform with -40dBc first sidelobes All Intersil products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporation’s quality certifications can be viewed at website www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see web site www.intersil.com Sales Office Headquarters NORTH AMERICA Intersil Corporation 2401 Palm Bay Rd. Palm Bay, FL 32905 TEL: (321) 724-7000 FAX: (321) 724-7240 EUROPE Intersil SA Mercure Center 100, Rue de la Fusee 1130 Brussels, Belgium TEL: (32) 2.724.2111 FAX: (32) 2.724.22.05 ASIA Intersil Ltd. 8F-2, 96, Sec. 1, Chien-kuo North, Taipei, Taiwan 104 Republic of China TEL: 886-2-2515-8508 FAX: 886-2-2515-8369 Addendum 1 to ISL37300XU-eval datasheet CAUTION: To comply with FCC RF exposure compliance requirements, a separation distance of at least 20 cm must be maintained between the antenna of this device and all persons.
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