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Thursday, January 30, 2003 9:09:42 AM
Maidenhead, UK, Jan 30, 2003 (PR Newswire Europe via COMTEX) -- Maidenhead, UK,
January 30 /PRNewswire/ -- Fujitsu Microelectronics Europe (FME) today announces
the MB86064 Dual 14-bit 800MSa/s Digital to Analogue Converter (DAC). This is
the first Application Specific Standard Product (ASSP) based on its Next
Generation DAC technology.
Until today Fujitsu has been providing customers with early access to the Next
Generation DAC technology through Mixed Signal ASIC (MS-ASIC) solutions. The
move to provide an ASSP solution will enable applications where a custom
approach is either not required or not justified.
"This ASSP is integral to the roll-out of our latest DAC technology, opening up
more opportunities and markets. The price/performance point achieved enables the
cost-effective realisation of high direct-IF multi-carrier systems for GSM,
W-CDMA and UMTS," said Neil Amos, Director of FME's Mixed Signal Division.
As well as radically improved performance from innovative circuit designs, the
product boasts a host of features ranging from the on-chip vector memories,
which enhance system integration and test, to next generation Segment Shuffling
which further improves dynamic performance. The vector memories enable waveforms
to be downloaded and executed on-chip. For device test & evaluation this
alleviates the need for a high speed data generator, while in a final system
application they are ideal for implementing tests on the subsequent analogue
signal chain.
Analogue performance at high output frequencies is enhanced by novel current
switch and switch driver designs which provide constant data-independent
switching delay, reducing jitter and distortion. The leap in performance
provided by this DAC will be instrumental in enabling new architectures to
reduce the costs of existing cellular infrastructure systems while
simultaneously addressing future needs. In four-carrier W-CDMA applications ACPR
of 70dBc can be achieved with direct-IF generation at 300MHz, with even higher
performance at lower output frequencies.
"This development reflects our position as the leader in high-speed DAC
technology", emphasised Ian Dedic, Chief Engineer at FME's Mixed Signal
Division. "We have already been granted eight US patents protecting the jitter
reduction techniques and other innovations used in the MB86064, and have further
patent applications pending both in the US and other countries".
Direct-IF architectures can now demonstrate cost competitiveness to more
traditional direct modulation architectures, while avoiding their inherent
drawbacks. Bandwidths up to 100MHz can now be generated directly at these high
IFs, sufficient to implement the entire UMTS band with digital pre-distortion.
The Segment Shuffling is a major enhancement over techniques introduced in the
MB86060 & MB86061 DAC ASSPs. This improves performance to the level sought after
for next generation systems and high direct-IF architectures by moving
distortion products out-of-band and reducing device-to-device variation.
"The MB86064 provides an unrivalled solution to the problem of generating wider
transmit bandwidths in cellular base stations", highlighted Paul Maddox,
Technical Marketing Manager at FME's Mixed Signal Division.
Implemented in Fujitsu's advanced mixed signal CS80A 0.18Aum CMOS process, the
dual DAC core combined with LVDS data inputs and a versatile serial control port
provides a complete high performance DAC solution. Generating and driving the
data for such a DAC has traditionally been restricted to expensive ECL-based
technology.
However, the provision of a LVDS interface combined with the advance in data
generating capabilities of ASSPs, ASICs and FPGAs enables cost effective,
realisable solutions. In particular, clock-to-data timing across the data
interface can be guaranteed by using FPGAs with Phase Locked Loop (PLL) or
Delay-Locked Loop (DLL) clock generators and external reference clock loop-back.
The provision of a dual DAC has particular benefit to cellular infrastructure
applications, for example either transmit with diversity or combined dual
transmit configurations. Other application areas are expected to include test
equipment and video/display systems.
The MB86064 is housed in Fujitsu's enhanced fine-pitch ball grid array (EFBGA)
package. The EFBGA range has been developed specifically to meet the needs of
high performance mixed signal devices. Benefits include optimised signal routing
within the package, easier PCB tracking and excellent thermal properties
assisted by a thermal ball array directly under the device. Using the 120-ball
variant, the package measures 12mm x 12mm.
Customer development kits and sample devices are available today. Mass
Production (MP) is scheduled for 3Q CY2003.
A medium resolution picture relevant to this press release can be found by
following the link: ftp://ftp.jdk.co.uk/Fujitsu/Press/MRPR772.jpg
For a high resolution download option please follow the link:
ftp://ftp.jdk.co.uk/Fujitsu/Press/HRPR772.zip
Further information on Fujitsu Microelectronics Europe's products is available
on our WWW address at: http://www.fme.fujitsu.com/
CONTACT: Jim Bryant Fujitsu Microelectronics Europe Tel: +49-6103-690-0 Fax:
+49-6103-690122 E-mail: jim.bryant@fme.fujitsu.comFrank Cornell JDK Marketing
Communications Tel: +44 (0) 1959 562772 Fax: +44 (0) 1959 564848 E-mail:
claire@jdk.co.uk
Copyright (C) 2003 PR Newswire Europe
-0-
SUBJECT CODE: Computing & Information Technology
(Wall Street)
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Daniel Nieves
Daniel Nieves
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