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RF Filter Uses MEMS Relays.
Raytheon Company has successfully demonstrated a new frequency-agile filter that delivers 25 watts of power at very high frequency (VHF), using MEMS relays to tune the filters output. The event was the first-ever demonstration of a high power, MEMS based, tunable radio frequency (RF) device. The new technology matched or exceeded several key performance criteria of traditional RF filters in a small package.
MEMS relays provide improved intermodulation performance under high power conditions with distinct advantages in size, power and performance. With MEMS relays, the area and volume of filter-tuning circuit boards can be 50% less than conventional filters using PIN diode switches. In addition, the demonstration showed that the typical power efficiency of conventional broadband RF amplifiers, usually around 30%, can be increased to as much as 80% with MEMS ...
- MEMS relays.
- Magazine article from: Designfax October 1, 2000 700+ words
Etched from a silicon wafer, these Micro Machined Relay switches are smaller, faster and have longer life expectancy than traditional electromechanical relays. A chip model measures 2mm x 3mm, and a 6 pin PLCC model is 5.25mm x 5.30mm or less. Switching speed is 0.5 ins. With their decreased power
- Harris Falcon II Digital Tactical Radio Systems Selected as Major Component in...
- Press release article from: Business Wire July 19, 2001 700+ words
...Supplier for the United Kingdom's Bowman Tactical Radio Programme. The overall prime contract...highly successful Falcon(TM) II Tactical Radio product family, which is in broad...Bowman will represent the largest tactical radio program ever awarded to Harris...
- Congress cuts Army's tactical radio program funding for fiscal 2010.
- News wire article from: NextGov.com Brewin, Bob October 13, 2009 700+ words
...Congress slashed funding for the Army's tactical radio program and all but killed a program...requested $90.2 million for its Joint Tactical Radio System in fiscal 2010, but Congress...the procurement and upgrade of its tactical radio systems," House and Senate conferees...
- Joint tactical radio system.(TSM-Tactical Radio)
- Magazine article from: Army Communicator June 22, 2003 700+ words
The genesis of the Joint Tactical Radio Set program was to address the...among tactical radios. Current tactical radio families have evolved to meet...The JTRS will replace over 30 tactical radio families with a single family...
- Joint tactical radio system. (TSM-TR).
- Magazine article from: Army Communicator March 22, 2003 700+ words
...As a key program to provide seamless tactical-radio communications, JTRS will be the first...programmable multiband/multimode joint-tactical-radio sets tailored to meet the needs of...Department of the Army JTR--joint tactical radio JTRS--Joint Tactical Radio System...
- TRW One of Three Key Subcontractors on Boeing-led Joint Tactical Radio System...
- Press release article from: PR Newswire June 25, 2002 700+ words
...Army yesterday to develop the Joint Tactical Radio System (JTRS), the first radio communications...fixed frequency radios, the joint tactical radio can be software-configured to provide...previously incompatible. The joint tactical radio will also be capable of transferring...
- Joint tactical radio system.(TSM-Update-TR)
- Magazine article from: Army Communicator Wilson, Douglas A. January 1, 2005 700+ words
The Joint Tactical Radio System is vital to the Department...a common family of interoperable tactical radio systems. The fielding of JTRS will...several radio sets with a single tactical radio system reducing the communications...
- Software Defined Radio Forum Launching Special Interest Group for International...
- Press release article from: Business Wire October 17, 2007 700+ words
...activities designed to benefit the worldwide tactical radio community. Sales of tactical radios...Defense Department's JTRS (Joint Tactical Radio System) and the ESSOR (European Secured...centric programs. "Our International Tactical Radio SIG will augment activities underway...