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Industry News

Qualcomm and Motorola to Collaborate on UMTS Handsets

QUALCOMM Inc. and Motorola Inc. announced an expansion in their relationship. In addition to collaborating on CDMA2000®, the two companies will now be working together to bring UMTS handsets to global markets. Motorola Mobile Devices has approved QUALCOMM's Mobile Station Modem™ (MSM™) chipsets for incorporation into future UMTS handset...
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Comarco and Ascom Establish Alliance

Comarco Wireless Test Solutions , a supplier of wireless test systems for field applications, and Ascom , a specialist in wireless onsite communication solutions, announced that the two companies have formed a cooperative alliance to develop and market 3G and 4G wireless network Quality of Service, optimization and test...
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RF Component Profits Steady in Q2 2006

Strategy Analytics’ RF & Wireless Component service has released “RF Component Industry Review: April - June 2006,” which notes that more than half of the leading suppliers of RF components reported significant profits in Q2, about the same industry financial performance as reported in Q1. In the second quarter...
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Intermodulation Distortion in Medium-power Drop-in Ferrite Isolators and Circulators

One of the major applications for ferrite junction components is in base station amplifiers. Each amplifier module may include several isolators, which typically provide mismatch protection. In the case of the isolator placed between the power amplifier and the antenna, the primary purpose is protection against high levels of...
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Novel Microstrip Band-stop Filters Based on Complementary Split Ring Resonators

In this article, the stop-band characteristics of complementary split ring resonators (CSRR) and their applications to microstrip band-stop filters are proposed. The equivalent circuit model of a unit CSRR is applied to explain its characteristics and ...
In recent years, there has been a growing interest in electromagnetic bandgap structures (EBG), which exhibit the properties of rejecting electromagnetic waves at certain frequencies. The most interesting applications for these structures are the filtering of frequency bands or the suppression of undesired spurious passbands and harmonics in microwave...
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A Novel Wideband Transition Between a Conductor-backed Finite Ground CPW and a Microstrip Line

This article describes a transition between a conductor-backed coplanar waveguide (CPW) and a microstrip line, which provides a very low loss alternative to a standard microstrip-to-coplanar line transition at higher frequencies. This simple topology i...
Microstrips (MS) and coplanar waveguides (CPW) are two of the main waveguide structures used in higher frequency applications, because of their compatibility with monolithic fabrication and solid-state devices. In CPW, the signal lines and ground planes are placed on one side of the substrate, permitting a circuit consisting of...
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RF & Microwaves in Asia: Technologies and Markets

Asia grabs the headlines when it comes to technological and economic development, but what is the reality? Is the continent an innovative leader or low cost mass producer? And what is its role and influence on the global RF and microwave market? This a...
The rapid growth and hunger for information technology and electronic media has created a ‘global village,’ as mass communication, combined with a need and willingness to exchange ideas, has ‘shrunk’ the modern world so that knowledge, expertise, investment and new markets are more easily accessible. Inhabiting a particularly vibrant...
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New Design Methodologies for High Performance RF CMOS

CMOS technology continues to gain market acceptance for high performance applications due to the combination of low cost, high level integration and availability. As a result, more engineers are experimenting with CMOS processes and customizing new methodologies to integrate RF, analog and digital circuits in a single chip. The...
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