The New Power Brokers: High Voltage RF Devices

David Vye, Editor, Microwave Journal; Leonard Pelletier, Freescale Semiconductor; Steven Theeuwen, NXP Semiconductors; Dave Aichele, RFMD; Ray Crampton, Nitronex; Ray Pengelly, Cree Inc.; Brian Battaglia, HVVi Semiconductors

Industry experts weigh in on the state of LDMOS, GaN, SiC and HV-FETs

Career Corner

Isaac Mendelson, ElectromagneticCareers.com

The Puzzler - June 2009

MWJ Staff

Backfire Disk-on-rod Antenna for Long-range Point-to-point Communications

Georgi S. Kirov, Technical University of Varna, Bulgaria; Hristo D. Hristov and Rodolfo Feick, Universidad Técnica Federico Santa Maria, Valparaiso, Chile

Design, construction and experimental study of a 4λ backfire disk-on-rod antenna for the WLAN/ISM frequency band

PIN Diode Performance Tradeoffs Across Package and Process Types

Kevin Harrington and Scott Vasquez, M/A-COM Technology Solutions, Lowell, MA

Exploration and comparison of three PIN diode technologies in determining overall performance

Theory and Proposed Method for Determining Large-signal Return Loss or "Hot S₂₂" for Power Amplifiers

Patrick Naraine and Chandra Mohan, Skyworks Solutions Inc., Woburn, MA

Description of a simple and cost-effective solution for determining the return loss of a power amplifier under actual output power drive levels

Ka-band Bandpass Filter Using a CPW Structure Technology with Copper on an Al₂O₃ Substrate

Chia-Song Wu and Hsing-Chung Liu, Vanung University, Taiwan, ROC; Hsien-Chin Chiu and Yi-Feng Lin, Chang Gung University, Taiwan, ROC

Performance results of a coplanar waveguide structure on an Al₂O₃ substrate in a Ka-band bandpass filter with a copper interconnection

Design of Source Degenerated Cascode Dual Functionality LNA/PA for IEEE 802.15.4 (ZigBee)

Ali M.T. Abuelma'atti and Ian Thayne, University of Glasgow, Glasgow, Scotland; Muhammad Taher Abuelma'atti, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia

Presentation of a design methodology for source degenerated cascode dual functionality low noise amplifier and power amplifier for the ZigBee standard

Network Analysis Duo Offers Extended Features

Rohde & Schwarz, Munich, Germany

Introduction to a network analyzer and an extension unit combined to form a solution adaptable to user requirements

An Omni-directional Antenna for Industrial and Transportation Applications

HUBER+SUHNER AG, Herisau, Switzerland

Development of a rugged omni-directional multiband antenna for GSM 900/1800/1900, UMTS, 2.4 GHz band and GPS/Galileo