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PRODUCT FEATURES A Versatile Multilevel Amplifier for PCS Applications AML Communications Inc. Camarillo, CA C ommunication amplifier designers today are challenged with rapidly bringing to market a qualified product in a mature form factor, while meeting strict spectral regrowth requirements. Combine this with varying power level and gain requirements...

PRODUCT FEATURES A Vector Modulator to Convert Analog Signal Generators to Digital Formats IFR Systems Inc. Wichita, KS T here is much capital money invested in analog signal generators within today's research and development laboratories and manufacturing floors. Yet the trend in wireless technology is to use complex digital...

COVER FEATURE The Next Level of Design Automation Applied Wave Research Inc. (AWR) El Segundo, CA M icrowave Office 2000 Version 4.0 begins shipping in December of this year. The latest release of the popular electronic design automation (EDA) suite includes revolutionary new capabilities for automating the high frequency...

PRODUCT FEATURES A VSWR Meter Using a Power Sensing Termination EMC Technology Inc. Cherry Hill, NJ T ransmitted power detection is important in wireless basestation applications in order to insure proper geographical coverage and to meet radiated power regulations. If the power detection is done between the transmitter and...

PRODUCT FEATURES A Low Loss LTCC System for Wireless Applications Heraeus Inc. W. Conshohocken, PA A new low temperature co-fired ceramic (LTCC) material system has been developed to address emerging new communications market demands such as wireless telephones, automotive components and Bluetooth modules. Unlike other materials for microwave applications,...

PRODUCT FEATURES A Voltage Variable Attenuator Using Silicon PIN Diodes and a Passive GaAs MMIC in a Plastic SMT Package RF& MW Components Group, M/A-COM Inc. Lowell, MA A unique voltage variable attenuator (VVA) has been developed for the commercial wireless market. The device has linear operating power and...

TECHNICAL NOTES A Simple Gain Equalizer for a PCS-band Amplifier Barney Arntz Philips Semiconductors Mansfield, MA A simple distributed network is described, which has the effect of flattening the frequency response of an amplifier or system by reducing its gain in a particular frequency range. Operating with a quarter-wave...

TECHNICAL FEATURES Improving Accuracy and Reliability of Microwave On-wafer Silicon Device Measurements Troels Emil Kolding Aalborg University, RISC Group Denmark Aalborg, Denmark This article summarizes recent research findings and general guidelines for microwave on-wafer measurement of devices fabricated using silicon technologies. Issues specific to low resistivity substrates and low...

TECHNICAL FEATURES Extending Gold Thick-film Technology through Materials and Process Development Meg Tredinnick and David Malanga Heraeus Inc., Circuit Materials Division West Conshohocken, PA New powder and screen technologies have allowed for the development of a thick-film gold paste that meets a difficult list of requirements. This new Au...

TECHNICAL FEATURES Time Domain Analysis of a Printed Circuit Board Via Brock J. LaMeres Agilent Technologies Colorado Springs, CO T.S. Kalkur University of Colorado, Department of Electrical and Computer Engineering Colorado Springs, CO This article describes the time domain analysis of a printed circuit board via connecting two semi-infinitely-long...