ICS Introduces New SAW Filters for GPS Applications; New SAW Family Offers Complete GPS RF Filtering Solution
13 6월 2005 - 10:00PM
Business Wire
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.
Integrated Circuit Systems (NASDAQ:ICST)
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