Andrew Corporation Announces New Low Power UHF Filter for DTV Applications.Business/High-Tech Editors NAB2001 Booth Number L10414 ORLAND PARK Or·land Park A village of northeast Illinois, a residential and manufacturing suburb of Chicago. Population: 53,300. , Ill.--(BUSINESS WIRE)--April 23, 2001 Andrew Corporation Andrew Corporation is an American multinational producer of communications devices. Andrew is a global designer, manufacturer, and supplier of communications equipment, services, and systems. (NASADQ:ANDW) announced a new Low Power UHF (Ultra High Frequency) The range of electromagnetic frequencies from 300 MHz to 3 GHz. In the U.S., analog television has used UHF channels 52 to 69 in the 700 MHz band. Filter for low power DTV (Digital TeleVision) Transmitting TV using digital signals. The major DTV standards are ATSC (North America), DVB (Europe) and ISDB (Japan). All three use MPEG-2 video compression and Dolby Digital audio compression. DVB and ISDB also include MPEG audio compression. (digital television) broadcast applications. Available in reflective or constant impedance models, the Low Power UHF Filter suppresses spurious signals in a broadcast transmission system. The filter is temperature compensated to minimize pass band frequency drift In electrical engineering, and particularly in telecommunications, frequency drift is an unintended and generally arbitrary offset of an oscillator from its nominal frequency. due to RF heating and changes in ambient temperature. Copper construction provides for cooler operation and power handling up to 5 kW without the need for fans or tightly controlled ambient temperatures. The compact filter unit (approximately 56-inches long with a 12-inch diameter) is suitable for stations operating in the UHF broadcast frequency band. "The Low Power UHF Filter rounds out our offering of filters for DTV transmission systems," said Spencer J. Smith, Andrew Corporation's Vice President, Broadcast Products. "We now have a range of filters for every DTV application from high power through to low power." Andrew Low Power UHF Filters can be supplied in six or eight section versions according to transmission requirements. A full range of connectors from "N" type to 3-1/8-inch is available. This filter has also been incorporated into a constant impedance filter system in a single unitized frame; custom versions are available at customer request. For more information on the Low Power UHF Filter, call 1-800-DIAL-4RF or call Andrew Passive Power Products at +1-207-657-2600. The new filter is being shown to the public for the first time at the Andrew Booth Number L10414 at the National Association of Broadcasters (NAB2001) tradeshow, Las Vegas, NV, April 23 to April 26. Andrew Corporation is a global supplier of communications systems equipment and services. Major markets are wireless communications - which includes cellular, personal communications services See PCS. , and land mobile radio - broadcast, and common carrier. Andrew Corporation's common stock trades on The Nasdaq Stock Market Nasdaq stock market The first electronic stock market listing over 5000 companies. The Nasdaq stock market comprises two separate markets, namely the Nasdaq National Market, which trades large, active securities and the Nasdaq Smallcap Market that trades emerging growth companies. (R) under the symbol: ANDW. For further information on Andrew products and services, including the text of this release, visit our Web site at http://www.andrew.com |
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