High-power gallium nitride transistors inch forward
Jun 1, 2006
Ashok Bindra, Editorial Director Slowly, but steadily, gallium nitride (GaN) power transistors are moving forward. Every year the progress report looks better and commercial viability...
PeerApp and Delphi partner
Jun 1, 2006
U.S.-based PeerApp, a provider of protocol-based bandwidth solutions, and Delphi Technology Co., the Thailand-based system integrator, have established...
CalAmp acquires Dataradio
Jun 1, 2006
Robert Rouleau, chief executive officer of Dataradio, a pioneer of wireless RF products for mission-critical data communications has announced that the...
The challenges and importance of testing mesh networks prior to deployment
Jun 1, 2006
By Fanny Mlinarsky Pre-deployment testing that automates
the performance testing of wireless mesh networks in a controlled laboratory
environment is required to establish its credibility for mission-critical metro-area
network applications....
IQ modulators advance reconfigurable radio
Jun 1, 2006
By Eamon Nash While true software-defined radio has yet to be implemented cost effectively
for general applications, improvements in signal-processing functions such
as IQ modulators move the RF industry ever closer to that goal....
Products
Jun 1, 2006
Active Components Dual-mode charge pumps Linear Technology Corporation has announced the LTC3203-1/B/B-1 mode-selectable, high-efficiency 500 mA step-up...
Highly integrated multiband RF IC sets a new precedent
May 1, 2006
Combining its RF and DSP expertise, London, England-based RadioScape has developed a software-controlled, single-chip RF front-end that can handle six...
Standard plastic packages handle frequencies up to 45 GHz
May 1, 2006
By Amer Droubi and Paul Beasly The market pressure is driving manufacturers of microwave and millimeter-wave devices to cost-effective plastic packages. This article discusses recent advances in plastic packaging and describes design, layout and simulation techniques to enable its use in GaAs devices performaing as high as 45 GHz....
RFID: Moving beyond access control
May 1, 2006
According to research firm Venture Development Corporation (VDC), the global market for RFID systems in the electronics vertical market reached an estimated...
TECOM receives AS9100 certification
May 1, 2006
TECOM Industries Inc. has earned AS9100 certification by Lloyds Register Quality Assurance (LRQA). The company achieved certification in March after a...
Telkonet/MST introduces Telkonet Energy Services
May 1, 2006
Telkonet Inc. has formed Telkonet Energy Services (TES), a division that will focus on providing energy data, energy management and energy market participation...
RF PA linearity in GSM transmitters
May 1, 2006
By Oleksandr Gorbachov Nonlinearity in GSM PAs for digitally modulated signals is acceptable within certain limits, beyond which phase error becomes a problem. Although IMD has only negligible effects on phase error, higher-order IMD products have a more severe effect on spectral re-growth....
M/A-COM expands presence in China
May 1, 2006
M/A-COM, a business unit of Tyco Electronics, has opened an engineering and operations center in Shenzhen, China to more effectively serve the needs of...
Evaluating distortion in ADC driver amplifiers
May 1, 2006
By Eamon Nash In order to fully harness the potential of high-performance ADCs for applications such as software-defined radio, the components defining the input signal pathway must have matching levels of performance....
Designing digital downconverters
May 1, 2006
By Brian Ogilvie and Paul Pacheco A key problem with traditional RF design methods is that errors are frequently not detected until modules can be physically tested at the prototype stage. Model-based design can address this problem by providing an environment for creating executable specifications that provide a high-level view of the design....
Understanding WiMAX signal analysis
May 1, 2006
By Ben Zarlingo It is often more useful to have a clear understanding of the signal and a reliable analysis approach than to know every technical detail of a standard...
Test & Measurement
May 1, 2006
Accelerated testing platform QualMark's patented omni-axial vibration system (OVS) tables used in its highly accelerated life testing (HALT) and highly...
Simulating PLL reference spurs
May 1, 2006
By Steve Williams and Tony Caviglia Spurious levels on the output of a phase-locked loop that generates a carrier signal are an important specification in many RF systems. Spurs may come from a variety of sources, but oneof the most common is the PLL's reference clock....
NEWS WORTHY
May 1, 2006
Wavesat Wavesat (www.wavesat.com) received the WiMAX Forum Certified seal for its miniMAX, 3.5 GHz CPE design's frequency-division duplex (FDD) mode of...
Asia semiconductor consumption to top $200 billion by 2010
May 1, 2006
Annual semiconductor consumption in the Asian market will jump from $136.5 billion in 2005 to $203 billion in 2010, predicts In-Stat in its report, Semiconductor...
