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A Low Loss Dielectric Resonator Filter for Cellular and PCS Applications

A dielectric resonator filter capable of achieving very low passband insertion loss and high near-band rejection is featured on this month's cover
April 1, 2000
Trilithic
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A Low Loss Dielectric Resonator Filter for Cellular and PCS Applications Trilithic Indianapolis, IN Because of the growing need for increased capacity in cellular and PCS networks, low insertion loss and high out-of-band rejection are critical parameters for service providers to deliver cost-effective coverage. The use of complex digital...
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High Performance, Low Cost, Surface-mount Microwave Mixers

A series of high performance passive mixers developed using patented Blue Cell technology that exhibit good conversion loss and excellent LO-to-RF and LO-to-IF isolation
April 1, 2000
Blue Cell Technology
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High Performance, Low Cost, Surface-mount Microwave Mixers Blue Cell Technology, a family member of Mini-Circuits Brooklyn, NY As communication bandwidth requirements increase, industry is demanding higher performance in passive devices as well as smaller footprints. Although attempts are being made to utilize semiconductor technologies, they are capital intensive and,...
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A Web-based Test Equipment Locator

A new online service that lists more than 13,000 products from 200 manufacturers in more than 90 test equipment categories and provides a means for side-by-side comparison
April 1, 2000
TestMart
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A Web-based Test Equipment Locator TestMart San Bruno, CA One of the most frustrating jobs an engineer must face is selecting and locating a piece of test equipment to meet a specific demand among the myriad of offerings by hundreds of equipment manufacturers and the many varying performance specifications....
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A GSM EDGE Error Vector Magnitude Estimation Platform for RFIC/ASIC Evaluation

Error vector magnitude measurements for Enhanced Data Rate for GSM Evolution (EDGE) designs and the need to perform such evaluations according to the standard specifications
April 1, 2000
Ashkan Mashhour and Assaad Borjak
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Technical Feature A GSM EDGE Error Vector Magnitude Estimation Platform for RFIC/ASIC Evaluation Ashkan Mashhour and Assaad Borjak Please click here to view the pdf file of the Technical Feature...
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The Effect of Imperfect Antenna Cross-polar Performance on the Diversity Gain of a Polarization-diversity Receiving System

A statistical technique that simulates coupling between channels and quantifies the effect of cross-polar coupling as a function of the intrinsic correlation of received signals and the coupling introduced by an antenna
April 1, 2000
Brian S. Collins
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Technical Feature The Effect of Imperfect Antenna Cross-polar Performance on the Diversity Gain of a Polarization-diversity ReceivingSystem Brian S. Collins Please click here to view the pdf file of the Technical Feature...
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Selecting a Pedestal for Tracking LEO Satellites at Ka Band

The issues involved in selecting a pedestal for tracking low earth orbit (LEO) satellites
April 1, 2000
Keith Willey
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Selecting a Pedestal for Tracking LEO Satellites at Ka Band Keith Willey University of Technology, Sydney (UTS), Cooperative Research Centre for Satellite Systems Sydney, Australia This article discusses the issues involved in selecting a pedestal for tracking low earth orbit (LEO) satellites. LEO satellites offer several advantages over their...
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A Digitally Compensated TCXO with Low Phase Noise Characteristics

A digitally compensated technology that can be utilized to produce less expensive high performance quartz crystal oscillators compared to those built in application-specific ICs due to the lower cost investment and more flexibility in component choice
April 1, 2000
Eric Jacquet, Jean-Pierre Bardon and Olivier Bignon
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Technical Feature A Digitally Compensated TCXO with Low Phase Noise Characteristics Eric Jacquet, Jean-Pierre Bardon and Olivier Bignon Please click here to view the pdf file of the Technical Feature...
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RF Ceramic Chip Capacitors in High RF Power Applications

Some of the most essential elements required for selecting capacitor products suitable for high RF power applications that necessitate the use of high quality, specialized ceramic chip capacitors
April 1, 2000
Richard Fiore
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Tutorial RF Ceramic Chip Capacitors in High RF Power Applications Richard Fiore Please click here to view the pdf file of the Tutorial...
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