The Intersil HFA3861B Direct Sequence Spread Spectrum (DSSS) baseband processor is part of the PRISM® 2.4GHz WLAN Chip Set, and contains all the functions necessary for a full or half duplex packet baseband transceiver.

Features

• Complete DSSS Baseband Processor

• Processing Gain. . . . . . . . . . . . . . . . . . . . FCC Compliant

• Programmable Data Rate. . . . . . . . 1, 2, 5.5, and 11Mbps

• Ultra Small Package. . . . . . . . . . . . . . . . . . . . . 10 x 10mm

• Single Supply Operation (44MHz Max) . . . . . 2.7V to 3.6V

• Modulation Methods. . . . . . . . DBPSK, DQPSK, and CCK

• Supports Full or Half Duplex Operations

• On-Chip A/D and D/A Converters for I/Q Data (6-Bit, 22MSPS), AGC, and Adaptive Power Control (7-Bit)

• Targeted for Multipath Delay Spreads ~50ns

• Supports Short Preamble Acquisition

• Supports Antenna Diversity

Applications

• Enterprise WLAN Systems

• Systems Targeting IEEE 802.11 Standard

• DSSS PCMCIA Wireless Transceiver

• Spread Spectrum WLAN RF Modems

• TDMA Packet Protocol Radios

• Part 15 Compliant Radio Links

• Portable PDA/Notebook Computer

• Wireless Digital Audio, Video, Multimedia

• PCN/Wireless PBX

• Wireless Bridges