2009 PDF Archives

JANUARY 2009
Vol. 8 No. 1

Is the 5th Harmonic Still Useful for Predicting Data Signal Bandwidth?—Mark Johnson

An Improved Design Method for Stepped Line Microwave Filters with Broad Stop Bands—Piotr Dyderski

Tutorial: An Introduction to Broadband Impedance Transformation for RF Power Amplifiers—Anthony J. Bichler

Editorial: 2009 New Year's Resolution: Get Back to Basics—Gary Breed

Technology Report: Recent Developments in High Frequency Component Modeling

Design Notes: Two Wires, Many Uses

FEBRUARY 2009
Vol. 8 No. 2

Noise Parameter Measurement Verification by Means of Benchmark Transistors—Cesar A. Morales-Silva, Lawrence Dunleavy, and Rick Connick

AWR and Anritsu Integrate EDA Software with a New Vector Network Analyzer—Dr. Michael C. Heimlich

The Nuts and Bolts of Tuning Varactors—Rick Cory

Tutorial: Design Issues with High Speed Digital Interconnections—Gary Breed

Editorial: Short Range Wireless Design Activity Looks Strong—Gary Breed

Technology Report: News of Recent Activity in RF MEMS

Design Notes: Common Radio Propagation Impairments

MARCH 2009
Vol. 8 No. 3

Multi-Section Crystal Bandstop Filter Design—Mark Mell & William B. Lurie

Reflection/Transmission Measurements Using USB Power Detectors—Richard Hawkins

RF Testing During the Installation and Maintenance of Wireless Base Stations —Giovanni D'Amore

Tutorial: The Fundamentals of Patch Antenna Design and Performance—Gary Breed

Editorial: Early Indicators of High Frequency Industry Strength—Gary Breed

Technology Report: Government and Military Research News

Design Notes: Pyroelectric Thermometer as a mm-Wave Detector

APRIL 2009
Vol. 8 No. 4

High Bit Rate Data Transmitting System for Remote Sensing Satellites—V. Sambasiva Rao and Surendra Pal

Broadband Active Filters Solve Signal Processing Accuracy and Matching Problems—James Wong

Tutorial: Defining Signal Integrity: The Characteristics of High Speed Digital Signals—Gary Breed

Editorial: Hands-On Engineering: It Works for Newbies, Not Just Old-Timers!—Gary Breed

Technology Report: An Update on Short Range Wireless Technology—Rich Howell

Design Notes: A Bit of Radio History

MAY 2009
Vol. 8 No. 5

Linearity Improvement Techniques for Wireless Transmitters: Part 1—Andrei Grebennikov

High-Power, High-Efficiency GaN HEMT Power Amplifiers for 4G Applications—Simon Wood, Ray Pengelly, Don Farrell, Carl Platis, and Jim Crescenzi

Compact Antennas with Reduced Mutual Coupling for Wireless Sensor Networks—Constantine Kakoyiannis, Penelope Gika, and Philip Constantinou

Tutorial: Behavioral Models Improve Accuracy in Simulation and Linearization—Gary Breed

Editorial: Engineering Education Needs to Cover Large, Complex Systems—Gary Breed

Technology Report: Recent Developments in mm-Wave Technology and Applications

Design Notes: Where Have the Spaces Gone?

JUNE 2009
Vol. 8 No. 6

IP2 and IP3 Nonlinearity Specifications for 3G/WCDMA Receivers—Chris Liu and Morten Damgaard

3-D EM Simulator is Integrated with ADS to Lower the Cost of Design—How-Siang Yap and Hee-Soo Lee

Linearity Improvement Techniques for Wireless Transmitters: Part 2—Andrei Grebennikov

Tutorial: Guidelines for Choosing RF/Microwave Coaxial Cable Assemblies—Gary Breed

Editorial: 3G/4G Technology: Does the Standard Really Matter?—Gary Breed

Technology Report: Developments in Packaging: RFIC, MMIC, LTCC, SiP, SoC

Design Notes: Feedback and Comments on "Where Have the Spaces Gone?"

JULY 2009
Vol. 8 No. 7

Adjustable Gain Cascode Low Noise Amplifier—Chin-Leong Lim

Coupled Magnetic Probes Compare EMI Absorber Materials—David Pacholok and Paul Rick

Integrated Receiver Simplifies the Analog Side of Digital Predistorition—Todd Nelson

Compact Ultra-Wideband Microstrip Bandpass Filter Using SIR Approach—Kamaljeet Singh and K. Nagachenchaiah

Tutorial: Fundamentals of OFDM: Orthogonal Frequency Division Multiplexing—Gary Breed

Editorial: Magazines and Electronics—We're in This Together—Gary Breed

Technology Report: Broadband Wireless News: 3G, 4G, WiMAX and More

Design Notes: High Speed Digital Notes from the HFE Archives

AUGUST 2009
Vol. 8 No. 8

Antenna Environment Impacts Efficiency and Radiation Pattern—Gerald R. DeJean and Sean Mercer

Taxonomical and Heuristic Studies on UWB Antenna Design Strategies—Anatoliy O. Boryssenko

Tutorial: Power Management Issues in High Frequency Circuits and Systems—Gary Breed

Editorial: Giving a Little Thought to How We Think—Gary Breed

Technology Report: A Review of Activities in VXI, LXI and PXI Test Systems

Design Notes: Lowpass-like Bandpass Filters—George Szentirmai

SEPTEMBER 2009
Vol. 8 No. 9

Techniques for Low Voltage Power Amplifier Matching—Peter Topham and Mark Bolt

Practical Developments Using Today's Fractional Synthesizers—Jim Carlini

Tutorial: Five Things to Consider When Selecting Test Equipment—Gary Breed

Editorial: The "Mindset List" for the Class of 2013—Gary Breed

Technology Report: News Updates on Standards and Regulations

Design Notes: Modifying the Load to Achieve Matching

OCTOBER 2009
Vol. 8 No. 10

Precoding and Spatially Multiplexed MIMO in 3GPP Long-Term Evolution—Randall T. Becker

Selecting High-Linearity Mixers for Wireless Basestations—Stephanie Overhoff

Tutorial: A Summary of Connector Specifications for RF and Other Applications—Gary Breed

Editorial: Technologies May Come and Go, but Knowledge is Forever—Gary Breed

Technology Report: EDA Tools for RFIC Design: Business and Product News

Design Notes: Applying Engineering Knowledge to Everyday Life

NOVEMBER 2009
Vol. 8 No. 11

Accurate Measurement of On/Off Time for 802.11 b/g WLAN/WiMAX LNAs—Ahmad H. Abdelmajid

Multi-Rate Harmonic Balance Provides a New Solution for Nonlinear Simulation—Ville Karanko and Taisto Tinttunen

Design and Characterization of a 1-Watt Driver Amplifier for Wireless Infrastructure—Chin-Leong Lim

Tutorial: Transmission Line and Lumped Element Quadrature Couplers—Gary Breed

Editorial: Products Have More Than Just the High Frequency Circuitry—Gary Breed

Technology Report: Military Technology: Business and Product News Update

Design Notes: The Amazing Mr. Maxwell

DECEMBER 2009
Vol. 8 No. 12

A High-Efficiency Transmission-Line GaN HEMT Class E Power Amplifier—Andrei Grebennikov

Microstrip Circuits with a Modified Ground Plane—Leo G. Maloratsky

A 128 MHz Pulse Amplifier Using the ARF475FL RF MOSFET—Richard Frey

Tutorial: Options for Continuing Your Engineering Education—Gary Breed

Editorial: 2009: Learn Our Lessons and Move on to Next Year—Gary Breed

Technology Report: Digital Signals: News and Product Developments

Design Notes: Quantifying Accuracy of Balanced Circuits