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... |
MMIC driver, power amplifiers operate to 35 GHz
Hittite Microwave has released a pHEMT MMIC wideband driver amplifier and a pHEMT MMIC wideband power amplifier for applications from DC to 35 GHz....
Microphone is implemented as single-chip device in CMOS MEMS
Akustica has developed a complementary metal oxide semiconductor (CMOS) micro electromechanical systems (MEMS) single-chip microphone, the AKU2000. ...
High IF sampling 12-bit ADC consumes considerably low power
To offer an upgrade path to higher sampling rates with considerably low power dissipation, Linear Technology has readied a 12-bit 250 Msps high IF sampling...
Symmetric and asymmetric-coupled lines band-stop filters at Ku/Ka bands
Filters are an integral part of any communication system and they can adapt to various topologies depending upon the requirements. Filters are mainly...
System considerations for building a high-performance digital satellite TV receiver front-end
Single-chip RF front-ends can simplify RF and even power design for set-top boxes. They can also enable distinguishing features in OEM products for volume markets....
Microwave/millimeter-wave components
MMIC VCOs Hittite Microwave Corporation has extended its line of GaAs HBT MMIC VCOs with fundamental, half- and quarter-frequency outputs. These SMT-packaged...
SigmaTel, Infineon enter strategic partnership
SigmaTel Inc. and Infineon Technologies AG have entered into an agreement to offer Bluetooth solutions for portable digital multimedia devices. Under...
Improvements in harmonic balance enable fast and accurate simulation of non-linear circuits
Agilent Technologies Inc. has improved its core electronic design automation frequency-domain simulation technology for fast and accurate simulation of highly non-linear circuits, such as digital dividers used in RFIC circuits....
Bringing SOI to fabless IC design houses
Silicon-on-insulator (SOI) IP developer SOISIC has announced that one of its leading foundry customers has successfully produced six working ICs using...
Accurate high-frequency noise modeling in SiGe HBTs
Mobile wireless communications links demand sensitive and highly selective transceiver circuits. The dynamic range and sensitivity of the RF wireless link depends on the HF noise and linearity of the transistors used in the low-noise amplifiers. Correlation improves the simulation accuracy of noise analysis of the transistors....
Choosing RF CMOS or SiGe BiCMOS in mixed-signal design
This article discusses key issues that need to be considered when deciding what technology to choose for mixed-signal or wireless system-on-a-chip design. The article reviews the basic performance criteria and characteristics in an easy to understand language, and describes how they affect the performance of chips....
Wireless meshes assure secure, seamless access anywhere, anytime
With the rapid rise of wireless local-area networks (WLANs) and public hot spots, wireless mesh networks are rapidly gaining popularity....
RF power options in ZigBee solutions
Among the new ZigBee wireless standard's many desirable attributes, low power is perhaps the most frequently mentioned. That descriptor sits at the center...
Wireless solution boosts network capacity
TenXc Wireless Inc. has unveiled its PCS bi-sector array. The first in a line of cell site enhancement products, the PCS bi-sector array provides operators...
Super-rugged RF MOSFETs handle up to 165 V
Advanced Power Technology RF has added the ARF475FL to its high-voltage, flangeless packaged, RF power MOSFETs. It uses a newly patented process and finer...
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