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PDF ISL36356A-APDK Data sheet ( Hoja de datos )
| Número de pieza | ISL36356A-APDK | |
| Descripción | PRISM 11Mbps Wireless Local Area Network Access Point | |
| Fabricantes | Intersil Corporation | |
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®
Data Sheet
ISL36356A-APDK
February 2003
FN9048.3
PRISM® 11Mbps Wireless Local Area
Network Access Point
The Intersil ISL36356A WLAN
Access Point is a complete wireless
high speed Network Access Point
(AP) utilizing the Intersil PRISM® AP
Direct Sequence Spread Spectrum Wireless Transceiver
chip set. It provides a complete PRISM reference design
platform of hardware and software to system providers or
integrators requiring wireless data communications
capability. The Open Source Linux operating system offers a
flexible and extensible development platform for making
customized Access Points and Gateways.
The Developers Kit includes a WLAN Access Point reference
design, configuration application, source code and
documentation. It supports the IEEE802.11b network
specification for Direct Sequence Spread Spectrum DSSS
signaling, providing data rates of 1, 2, 5.5 and 11Mbps.
Typical operating ranges are shown in Table 1.
TABLE 1. TYPICAL OPERATING RANGE*
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)
2 240 feet (73 meters) 1300 feet (396 meters)
1 300 feet (91 meters) 1750 feet (533 meters)
* The range will vary in different operating environments due to
effects such as building construction.
Ordering Information
PART NUMBER
DESCRIPTION
ISL36356A-APDK-EVAL WLAN Evaluation Kit
INCLUDED
1 AP
1 PC card
Packaging
FIGURE 1. SAMPLE PLASTIC ENCLOSURE
Features
• Supports the lEEE802.11b Direct Sequence Specification
• FCC Certified Under Part 15 to Operate in 2.4GHz ISM Band
• ETSI EN 300 328 parts 1 and 2 and
• ETSI EN 301 489 parts 1 and 17 Certified
• Supports All Features Required for Wi-Fi Compliant
Access Points
• Support for 11, 5.5, 2 and 1Mbps Data Rates
• Supports Dual Antenna Diversity
• Supports Short Preamble
• Advanced RAKE Receiver Design with Decision Feedback
Equalizer
• Provided Wired ethernet (802.3) connection supports both
10/100BaseT speeds
• Open Source Linux operating system
• Wi-Fi Protected Access (WPA) as well as Wired Equivalent
Privacy (WEP) 64&128
• 802.1x Security
• Wizard for Automated IP Configuration
• Wireless Distribution System (WDS) provides repeater and
bridging functionality
References
For Intersil documents available on the internet, see web site
http://www.intersil.com/
[1] TB337 Tech Brief, Intersil Corporation, “A Brief Tutorial on
Spread Spectrum and Packet Radio”.
[2] AN9850 Application Note, Intersil Corporation,
“Complementary Code Keying Made Simple”.
[3] AN9829 Application Note, Intersil Corporation, “Brief Tutorial
on IEEE802.11 Wireless LANs”.
[4] AN9820 Application Note, Intersil Corporation, “A
Condensed Review of Spread Spectrum Techniques for
ISM Band Systems”.
[5] 555006, Intersil Corporation, "The uClinux Development
Environment".
[6] 555007, Intersil Corporation, "Porting Guide for the Intersil
Access Point".
[7] 555012, Intersil Corporation, "Architecture of a Linux based
Intersil AP".
[8] 555050, Intersil Corporation, “MVC Software Interface
Manual”.
[9] 555053, Intersil Corporation, “AP Developer's Kit End User
Manual”.
[10] 555051, Intersil Corporation, “AP Developer’s Kit
Customization - User’s Manual”.
[11] AN1007, Intersil Corporation, “Introduction to the Wireless
Distribution System (WDS) and Features”.
[12] 555029, Intersil Corporation, “Reference Manual APDK
Web Server Interface Design”.
Further information can be found in the following:
uClinux homepage: http://www.uclinux.org/
1 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 registered trademark of Intersil Americas Inc.
PRISM® is a registered trademark of Intersil Americas Inc. PRISM and design is a trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2003. All Rights Reserved. All other trademarks mentioned are the property of their respective owners.
1 page  
ISL36356A-APDK
Block Diagram
ISL3856 MAC
See “The ISL3856 Media Access Controller (MAC) Protocol
Handler” section.
BBP ISL3863
The BaseBand Processor uses CCK modulation and a Rake
architecture to reduce the effects of multipath. This reduces
the error rates in typical office environments to improve
overall data throughput.
IF HFA3783
The IF is a linear design with AGC. This permits the use of
equalizers in the BBP. An IF overload detector and
selectable low gain LNA mode work with the BBP to extend
dynamic range without sacrificing sensitivity. The IF LO
frequency is generated by an external VCO. Filtering at the
IF is done by a SAW BandPass filter.
HFA3683 / HFA3983 RF
The RF IC’s are produced in advanced SiGe technology to
realize improvements in integration, performance, and power
consumption. Integral PLL’s in both RF and IF parts eliminate
the need for an external synthesizer. The HFA3683’s internal
LNA noise figure is improved so that an external LNA IC is
no longer needed. The chipset is designed so that the parts
can be interfaced with few external components.
The RF LO frequency is generated by an external VCO. The
PA incorporates an integral power detector that is monitored
by the BBP. The BBP controls the IF gain to maintain
constant output levels.
Antenna System
A dual spatial integrated antenna system is used to select
the most optimal signal. The antennas are sleeved dipoles
directly connected to the PCB.
FIGURE 2. ISL36356A-APDK BLOCK DIAGRAM
... SNMP
DHCP
TCP/ IP
Stack
Bridging Layer
MVC Driver
Applications
Linux
OS
MVC
802 .11
Protocol
handling
SW WEP
ENGINE
16MHz
PHY
I/O
CONTROL
Ethernet
PHY
RADIO
I/O
DMA Ethernet
CTRL
MAC
STATUS
LEDS
2Mx8 or
4Mx8
Parallel
FLASH
4Mx16 or
8Mx16
SDRAM
ISL3856
MAC
5
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