User's Manual

Delta Networks Inc.
8
2.4. IC Solution
The IC solution for LM-WS110 adopts Intersil PRISM II chip set:
P/N Functionality Description
Atmel
AT76C510
Ethernet to Wireless bridge
controller.
An internetworking device for interconnecting a WLAN with other
WLANs and legacy LANs. Wireless interface following the IEEE
802.11 standard. Ethernet MAC Unit interfaces with 10/100 Mbps
Ethernet Phys
ical through a standard MII port. Internetworking
Unit (INWARM) with integrated ARM7TDMI RISC processor,
provides the bridging functions between Ethernet and wireless
interfaces. WLAN MAC unit with a second ARM7TDMI and
integrated 128-byte Tx and 128-byte
Rs FIFOs for wirelss MAC
layer functions. Integrated 12Kx32bit internal SRAM for fast
program code execution and temporary storage of data.
Seeq 80225 Ethernet PHY 10/100Mbps Single PHY
Intersil
HFA3861B
Direct Sequence Spread
Spectrum Baseband processor
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. The HFA3861B has on-
board A/D’ s
and D/A for analog I and Q inputs and outputs for HFA3783.
Intersil
HFA3783
I/Q Modulator/Demodulator and
Sythesizer
HFA3783 is a highly integrated and fully differential SiGe
baseband converter for half duplex wireless application. It
features all the necessary blocks for quadrature modulation and
demodulation of “ I” and “ Q” baseband signals.
Intersil
HFA3683A
2.4GHz RF/IF Converter and
Synhesizer
HFA3683A is a monolithic SiGe half-duplex RF/IF transceiver
designed to operate in the 2.4GHz ISM band.
HFA3983 2.4GHz Power Amplifier and
Detector
HFA3983 is a 2.4GHz monolithic SiGe Power Amplifier designed
to operate in the ISM Band. It delivers a 18dBm(Typ.) of an output
power for the typical DSSS signal. The HFA3983 is housed in a
28 lead exposed paddle EPTSSOP package well suited for
PCMCIA board applications.