Integrated Circuit Systems (NASDAQ:ICST)
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Integrated Circuit Systems, Inc. (ICS)(NASDAQ:ICST), a
world leader in silicon timing solutions for the consumer, networking,
and industrial electronics industries, today introduced a new family
of surface acoustic wave (SAW) products designed for use in global
positioning system (GPS) equipment. The family includes
radio-frequency (RF) and intermediate-frequency (IF) bandpass filters
for GPS receivers, as well as a SAW delay line for system
applications, enabling a complete GPS solution.
"SAW technology offers the highest performance in a miniature size
compared with ceramic or LC filters," said Steve Skiest, marketing
manager for ICS SAW products. "ICS offers a complete filtering
solution by offering both front-end and IF-stage devices. And, by
offering our SAW filters in miniaturized packaging, we enable advanced
performance in the smallest form-factor GPS applications."
These ICS SAW devices are lead-free and RoHS-compliant, offering
designers a highly reliable, consistent, space-efficient, and
cost-effective method of filtering RF signals in GPS receivers,
modules, and antennas. In addition to standard products, ICS also
offers custom-designed filters to meet unique system requirements.
Front-End RF Bandpass Filters
The two new RF filters, the SF1575BA02505S and SF157BA02056S, are
centered at 1575.42 MHz and offer low loss, excellent rejection, and
miniature 3.0 x 3.0-mm or 2.4 x 2.0-mm surface-mount packaging to meet
the needs of small form-factor GPS applications. The SF1575BA02505S
has a minimum bandwidth of 2.4 MHz over a temperature range of -40 to
+85 degrees Centigrade. It also offers a very low typical insertion
loss of 1.3 dB.
IF Filter
Ideal for IF-stage filtering, the SF0185BA02302S has a center
frequency of 185.76 MHz with a minimum 3-dB bandwidth of 4.48 MHz.
This part offers a tight rejection of more than 42 dB at 176.22 MHz.
Additional features include low-amplitude ripple of less than 1 dB and
low-phase ripple of less than 2 degrees, peak-to-peak. The
SF0185BA02302S IF filter is offered in a 9.1 x 7.1-mm surface-mount
package.
Delay Line
The SF1575DL03104S is designed as a 1575-MHz delay line for GPS,
satellite, and other RF communications system applications. The delay
line offers a nominal delay of 230 ns with a typical insertion loss of
19 dB over 1565 to 1585 MHz. This part is available in a miniature 5.0
x 5.0 mm surface-mount package.
Pricing and Availability
All components for the GPS RF filtering solution are available
now. Pricing starts at less than $2.00 for the RF SAW filters in
1,000-piece quantities. For more information on the GPS SAWs or any
ICS SAW product, please contact the ICS SAW product division at
800-544-0052 or visit the web site at www.icst.com.
About ICS
Integrated Circuit Systems, Inc. is a world leader in the design,
development, and marketing of silicon timing devices for
communications, networking, computing, and digital multimedia
applications. The company is headquartered in Norristown, PA, with key
facilities in San Jose, CA; Tempe, AZ; Worcester, MA; and Singapore.
For more information, visit the company's web site at:
http://www.icst.com.
(C) Copyright 2005 Integrated Circuit Systems, Inc. All rights
reserved.