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the US Patent Office for its direct conversion architecture,
entitled "Single Chip CMOS Transmitter/Receiver",
otherwise known as zero IF. Direct Conversion is an architecture
which eliminates the intermediate frequency section of traditional
superheterodyne radio technologies, and which results in smaller
space use, lower power consumption, and a tremendous cost
reduction in many applications by bypassing reliance on related
IF components.
Dr. K.H. Lee, Engineering Vice President of GCT, said, "GCT
has been developing this architecture for the last two years
and our architecture is distinct in that it uses standard
CMOS process technology which has huge economic advantages
over other process technologies available today. Even though
there have been several research efforts made by universities
to implement so-called "direct conversion," "near
zero IF," and other new architectures, they have all
been hindered by several well-known barriers. We at GCT passed
this wall very successfully and will try to increase integral
density further so as to implement a real single RFIC chip
which can be applied to different consumer devices and systems
such as mobile handsets, wireless LAN, etc."
GCT is developing an advanced RFIC based on this direct conversion
architecture, which will be released to the public from next
year and used in various devices and standards such as IMT-2000,
WLL, CDMA handsets, Bluetooth and wireless LAN solutions.
Headquartered in Santa Clara, CA., GCT is a leading semiconductor
developer, manufacturer and supplier of the high performance
single RF IC using its patented direct conversion architecture
with the most economical CMOS process technology around. For
more information on GCT and direct conversion technology,
please visit us at http://www.gctsemi.com.
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