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To: Neil H who wrote (5)4/18/2000 10:53:00 PM
From: Neil H  Respond to of 6
 
Tuesday April 18, 1:40 pm Eastern Time

Company Press Release

SOURCE: Silicon Laboratories Inc.

Silicon Labs Announces World's Most
Integrated ISM RF Synthesizer -Silicon
Laboratories Introduces the Si4136-

AUSTIN, Texas, April 18 /PRNewswire/ -- Silicon Laboratories Inc. (Nasdaq: SLAB - news)
today announced the Si4136 ISM RF synthesizer, the world's most integrated RF synthesizer for
ISM-band applications. Like other members of Silicon Labs' innovative RF synthesizer family,
the Si4136 substantially reduces the number of external components required to implement a
complete synthesizer solution, reducing required board space by as much as 60 percent. This not
only dramatically improves power efficiency and performance, but also significantly reduces
overall system cost. The single-chip Si4136 operates in the 2.0 to 2.6 GHz range and is the
optimum solution for ISM-band applications such as IEEE 802.11-standard wireless LANs,
wireless modems, wireless headsets, cordless phones, and security systems.

``Silicon Labs is pleased to add high-frequency products to our RF synthesizer family, bringing
the patented Silicon Labs RF technology to a whole new range of personal wireless products,'
said Ed Healy, vice president and general manager of Silicon Labs' Wireless Products Division.
``Silicon Labs continues to lead the industry in RF CMOS design by developing solutions
unparalleled in the world today. With the Si4136, Silicon Labs sets a new standard by bringing
our CMOS integration to high-frequency applications.'

The Si4136 provides a complete CMOS RF synthesizer in a single low- profile, small-outline
24-pin package. All members of Silicon Labs' innovative RF synthesizer family, including the
Si4136, integrate RF and IF voltage- controlled oscillators (VCOs), loop filters, reference and
VCO dividers and phase detectors. No other supplier has achieved this level of integration. The
Si4136 performs RF synthesis in two bands, 2.3 GHz to 2.6 GHz and 2.0 MHz to 2.4 GHz, as
well as IF synthesis from 62.5 MHz to 1.0 GHz.