1
TM
AN9835.1
PRISM is a registered trademark of Intersil Corporation. PRISM logo is a trademark of Intersil Corporation.
Antenna to Bits is a trademark of Intersil Corporation.
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Intersil and Design is a trademark of Intersil Corporation.
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Copyright
Intersil Corporation 2000
2.4GHz 11Mbps MACless DSSS Radio HWB1151
User’s Guide
The Radio Card product provides all
the hardware required to implement
wireless communication using Direct
Sequence Spread Spectrum (DSSS)
technology. Only an external Media
Access Controller is required.
DSSS technology provides interference rejection in the
presence of narrow band noise. Since the output power is
spread across such a large bandwidth, the DSSS signal is
low level and wide bandwidth and therefore not intrusive to
other equipment.
Evaluation kits include two MACless cards in a PCMCIA
Type II form factor and this application note. The HWB1151-
KIT MACless radio kit does not include any software.
THE PCMCIA BUS INTERFACE HAS NOT BEEN
IMPLEMENTED IN THIS CARD, THEREFORE A PROPER
INTERFACE IS REQUIRED, (SEE SIGNAL DESCRIPTION).
This product has been designed to allow evaluation of the
Intersil PRISM Direct Sequence chip set.
The HWB1151-KIT is not FCC approved as an intentional
radiator and is intended for use with cabled connections only
(30dB attenuation recommended antenna port to antenna
port). An FCC experimental license is required while
transmitting over the air with unapproved equipment.
Features
Provides Antenna-to-Bits Data Stream
Single Heterodyne Conversion
Autonomous Half Duplex Direct Sequence Modem
Selectable CCK, MBOK DBPSK and DQPSK Signalling
Antenna Diversity Selection
Differential Data Encoding/Decoding
Programmable 11-Bit PN Code
Data Rates Up to 11Mbps
Power Management Control
Low Profile PCMCIA PC Card Type II
Packaging
Ordering Information
PART NUMBER
DESCRIPTION
CARDS PER KIT
HWB1151-EVAL
Point-to-Point
Evaluation Kit
2
HWB1151-EVALPAK
System Evaluation
Kit
10
Application Note
May 1999
Author: Richard L. Abrahams