Incremental Improvements Define The 2012 Mobile World Congress |
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Louis E. Frenzel, Editor in Chief
The usual players all showed up at this year’s Mobile World Congress in Barcelona with lots of improved devices, but no real game-changing breakthroughs... |
Products
Amplifiers Power amplifier module Skyworks Solutions Inc. introduced a power amplifier (PA) module with a 6 mm 6 mm 1.2 mm module for tri-band GSM/GPRS...
Highly spectrum-efficient modulation techniques and other technology advances take hold in aerospace electronics
This aerospace electronics related article explains a new quadrature phase shift keying technology, and a GPS translator technology....
Bluetooth shifts up a gear: Intelligent tools solve in-vehicle RF range and interference issues
In-vehicle broadband services offer a huge potential market for Bluetooth technology. But interference from existing in-vehicle RF devices can be detrimental to Bluetooth broadband signals and existing interference defenses may not provide adequate protection. Channel quality driven data rate (CQDDR) is a Bluetooth option that promises to ensure optimum data throughput....
WCDMA versus GSM: handset performance testing
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] Wideband Code...
The new RF Design
Welcome to the new RF Design. Obviously, we've made quite a few changes to the magazine's style and design. I'll run through a quick tour to point out...
Training materials for all types a review of Noble Publishing's instructional CDs
I recently received a set of instructional CDs from Samuel Dennis Ford of Noble Publishing Corp. (www.noblepub.com). Having been brought up on instructional...
An integrated downconverter circuit in 0.8 m SiGe technology for DCS-1800 applications
Frequency converters are an important part of most RF front-ends. As there are no ADCs with several bits that can process information at GHz frequencies, the frequency downconverter circuit plays a decisive role on every receiver. This article describes a downconverter circuit for DCS-1800 applications....
Low power design techniques for high-speed programmable embedded Infosec systems
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] Many of today's...
Linear Technology Corp.'s direct conversion quadrature demodulators
Linear Technology Corp. introduced two new direct conversion quadrature demodulators that promise to simplify radio design for cellular basestations and microwave and satellite links....
Unlicensed Technologies
Precision location system Multispectral Solutions Inc. announced the grant of equipment authorization from the FCC for the company's PAL650 UWB precision...
Bluetooth v1.2 Single Chip Silicon
Cambridge Silicon Radio Inc. (CSR) launched its third generation Bluetooth single chip silicon, BlueCore3. The company says it is the first complete implementation...
product focus semiconductors/ICs
Modular rfPIC development tool Microchip Technology Inc. introduced the rfPIC development Kit 1, which allows design engineers to evaluate low-power radio...
products
AMPLIFIERS Wideband amplifier Remec Inc. introduced the first in a series of new broadband amplifiers designed and manufactured for operation in the 2.0...
Errata
In the July 2003 issue, the Antenna Product and Provider Matrix listed Kathrein-Werke KG. That entry should have read, Katherine-Scala is the North American...
Changing designs, changing perceptions
RF Design has received a few inquiries from people questioning the upcoming changes to the magazine starting in the September issue. Some readers are...
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