News tagged with variable gain amplifier
National Semiconductor Introduces Industry's Lowest-Noise Frequency Synthesizer
Jul 06, 2009 |
5 / 5 (3) |
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National Semiconductor today announced the industry’s lowest-noise, fully integrated frequency synthesizer. The PowerWise LMX2541 provides less than 2 milli-radians (mrad) root-mean-square (rms) noise at 2.1 ...
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New High Frequency Amplifier Harnesses Millimeter Waves in Silicon for Fast Wireless
Feb 11, 2009 |
4.8 / 5 (11) |
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(PhysOrg.com) -- New imaging and high capacity wireless communications systems are one step closer to reality, thanks to a millimeter wave amplifier invented at the University of California, San Diego and ...
Researchers Design Electronic Amplifier Capable of Functioning in Extreme Temperatures
Mar 09, 2009 |
5 / 5 (4) |
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(PhysOrg.com) -- Missions to space require 'warm' boxes, which protect electronic circuitry from extreme temperatures and exposure to radiation. Electrical engineering researchers at the University of Arkansas ...
Researchers Report New Record for Wireless Base Station Power Amplifiers
Nov 27, 2008 |
4.6 / 5 (9) |
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(PhysOrg.com) -- When consumers use their cell phones, reception can depend on the strength of the signals coming to and from wireless base stations. Those base stations in turn depend on high-power amplifiers ...
Fujitsu Develops Millimeter-Wave Gallium-Nitride Transceiver Amplifier Chipset
Sep 30, 2009 |
3 / 5 (1) |
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Fujitsu announced today the development of the world's first gallium-nitride HEMT-based transceiver amplifier chipset for broadband wireless transmission equipment operating in the millimeter bandwidth, the ...
Innovative Audio Amplifier Improves RF Suppression in Wireless Notebooks and Other Portable Devices
Apr 25, 2005 |
1 / 5 (1) |
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National Semiconductor Corporation today introduced a new Boomer audio amplifier that features innovative internal circuitry that suppresses RF signals from passing through the amplifier. This is important because certain ...
STMicroelectronics Introduces the 2x1W Stereo Amplifier for Portable Applications
Mar 18, 2005 |
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STMicroelectronics has developed a high-quality stereo audio amplifier for use in cellular mobile phones, notebooks, PDAs, LCD monitors, TVs and portable audio devices. This device adds to a fast-growing portfolio of audio ...
National Semiconductor's New Amplifiers Break Gigahertz Barrier for High-Speed Applications
Apr 18, 2005 |
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National Semiconductor Corporation today introduced two new high-speed amplifier products that break the gigahertz speed barrier. Based on National’s high-speed VIP10 manufacturing process, the 1.2 GHz amplifier and programmable ...
Fujitsu Develops Technology Enabling Prolonged Viewing of Digital Terrestrial Broadcasts on Mobile Phones
Feb 09, 2005 |
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Fujitsu Limited today announced the development of a low-power analog to-digital (AD) converter that employs a delta-sigma modulator for mobile phones that are capable of receiving digital terrestrial television and radio ...
New analog circuits could impact consumer electronics
Feb 16, 2007 |
4.2 / 5 (46) |
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Advances in digital electronic circuits have prompted the boost in functions and ever- smaller size of such popular consumer goods as digital cameras, MP3 players and digital televisions. But the same cannot ...
Research exposes new target for malaria drugs
Aug 04, 2008 |
5 / 5 (1) |
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The malaria parasite has waged a successful guerrilla war against the human immune system for eons, but a study in this week's Journal of Biological Chemistry has exposed one of the tricks malaria uses to hide from the immune ...
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