Industry News
April 1, 2000
The Book End Feedback Control Systems Charles L. Phillips and Royce D. Harbor Prentice Hall 658 pages; $100 ISBN: 0-13-949090-6 This fourth edition has been updated to include the SIMULINK™ simulation program, a block diagram program used with MATLAB™ for the simulation of both continuous (analog) and discrete systems...
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C-, Ku- and direct broadcast satellite-band power amplifiers, which incorporate a unique multistage depressed-collector klystron that allows for a smaller, more efficient and cooler running amplifier
April 1, 2000
Klystron High Power Amplifiers for SATCOM Applications Communications & Power Industries (CPI), Satcom Division Palo Alto, CA A new family of C-band, Ku-band and direct broadcast satellite (DBS)-band compact GEN IV klystron power amplifiers (KPA) has been introduced. The new amplifiers incorporate a multistage depressed-collector (MSDC) klystron that allows...
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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
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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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
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 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
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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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
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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Performance and cost issues associated with voltage-controlled oscillator design
April 1, 2000
Technical Feature A 2.45 GHz Low Cost, High Performance VCO Jim Carlini Please click here to view the pdf file of the Technical Feature...
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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
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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The issues involved in selecting a pedestal for tracking low earth orbit (LEO) satellites
April 1, 2000
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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The relationship between single-tone and multitone saturated power of traveling-wave-tube amplifiers
April 1, 2000
Technical Feature Increasing Multitone Power Near Saturation Allen Katz Please click here to view the pdf file of the Technical Feature...
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