Kyocera : SAW filters feature high selectivity at 2.6 GHz

Kyocera has developed two types of compact Surface Acoustic Wave (SAW) filters — SF3030B2G600T10MAL0 for reception and SF2525E2G620T10MAH0 for transmission — that dramatically improve the prevention of radio wave interference in next-generation high-speed wireless communication networks such as WiMAX.

This development creates the first SAW filters in the industry in the high-frequency range of 2.6 GHz to feature high selectivity and low loss characteristics. Samples of the new SAW filters are currently available.

SAW filters are used to separate desired signals in high-frequency bands. The 2.6 GHz range, which is used by diverse communications networks, is a particularly highly congested frequency. Consequently, these new compact SAW filters were developed to improve usability in order to assure stable communications through the prevention of radio wave interference with other systems in adjacent signals during data transmissions and data communications in next-generation high-speed wireless networks.

Using circuit design, simulation, and microfabrication technologies that have been developed through years of research, Kyocera has achieved a 30 dB typ. attenuation of signals adjacent to 5 MHz-wide bands in the 2.6 GHz range, boasting an insertion loss of only 2.5 dB typ. This is an industry-first in the development of compact, revolutionary SAW filters for the prevention of radio wave interference.

As high-speed mobile wireless communication networks including WiMAX, Wi-Fi and XG-PHS are expected to show further growth, the demand for SAW filters is also expected to expand due to their effective application in high-speed mobile wireless communication networks and related devices, and wireless measuring instruments such as testers for wireless communications devices.

Product Summary and Specifications

Product: High selectivity SAW filter for the prevention of radio wave interference
Application: Prevention of radio wave interference among signals in the gigahertz band
– Wireless communications base stations such as repeaters in the 2.4 to 2.6 GHz ranges
– High-speed data communication terminals and PCs that have built-in WiMAX, Wi-Fi or XG-PHS
– Measuring instruments such as testers for wireless communications devices
Model Number: SF2525E2G620T10MAH0 (for transmission)
SF3030B2G600T10MAL0 (for reception)
Dimensions: 2.5 x 2.5 x 1.0 mm (max.) (for transmission)
3.0 x 3.0 x 1.1 mm (max.) (for reception)
Production Site: KYOCERA KINSEKI Yamagata Corporation
Samples: Available from July 15, 2009
Center Frequency: 2.4 to 2.6 GHz
Insertion Loss: 2.5 dB typ.
Attenuation: 30 dB typ. at 5 MHz
Operating Temperature Range: -30°C to +85°C
Other: Lead-free, RoHS compliant

For more information about Kyocera electronic components:


Kyocera Corporation (NYSE:KYO) (TOKYO:6971) , the parent and global headquarters of the Kyocera Group, was founded in 1959 as a producer of fine ceramics (also known as “advanced ceramics”). By combining these engineered materials with metals and plastics, and integrating them with other technologies, Kyocera has become a leading supplier of solar power generating systems, telecommunications equipment, electronic components, laser printers, copiers, semiconductor packages, cutting tools and industrial ceramics. During the year ended March 31, 2009, the company’s net sales totaled 1.13 trillion yen (approximately US$11.5 billion). The company, which marks its 50th anniversary and the 40th anniversary of its U.S. operations this year, is ranked #418 on the Forbes magazine’s 2009 “Global 2000” listing of the world’s largest publicly traded companies.

Note: The above text is the public part of the press release obtained from the manufacturer (with minor modifications). EETimes Europe cannot be held responsible for the claims and statements made by the manufacturer. The text is intended as a supplement to the new product presentations in EETimes Europe magazine.

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