RF Design Magazine

January 2004

Cover Story

Temperature compensation enhances piezoelectric substrate's performance 
Jan 1, 2004 12:00 PM, By Robert Markunas
Contemporary SAW filter performance is sensitive to temperature fluctuations because the filter is fabricated on a single piezoelectric substrate......
Editorial

Expanding role of RF and microwave frequencies in the commercial world 
Jan 1, 2004 12:00 PM, Ashok Bindra, Editorial Director
RF and microwave frequencies have given us many gadgets over the years that I cannot imagine living without. And that dependence has only increased with...
Features — Signal Processing

Understanding the Discrete Fourier Transform 
Jan 1, 2004 12:00 PM, By R. N. Mutagi
Discrete Fourier Transform (DFT) is used extensively in signal processing applications such as communications, broadcasting, entertainment and many other...
Features — Time and Frequency

Combline filter design simplified 
Jan 1, 2004 12:00 PM, By Anurag Bhargava
The range of filters that can be used in 200 MHz to 1 GHz band is limited, and this range becomes even narrower if a sharp rejection profile is needed....
Features — Tx/Rx

CDMA2000 RF system design software and spreadsheets 
Jan 1, 2004 12:00 PM, By Anitha Swaminathan
Today's complex designs, particularly with the advent of digital communications standards such as code-division multiple access (CDMA2000), require a...
News

High-power Ka-band TWT amplifier exploits microfabrication techniques 
Jan 1, 2004 12:00 PM
InnoSys Inc., a Salt Lake City, Utah-based manufacturer of RF/microwave and millimeter wave devices for wireless, broadband and communication markets,...
Australia Telescope National Facility selects AWR Microwave Office Design Suite 
Jan 1, 2004 12:00 PM
Applied Wave Research Inc. (AWR), El Segundo, CA., has finalized an agreement with the Australia Telescope National Facility (ATNF) Engineering Development...
Lead-Free FCLGA package eyes height-sensitive wireless applications 
Jan 1, 2004 12:00 PM
Singapore-based ST Assembly Test Services Ltd. (STATS) has qualified a new environmentally friendly version of its Flip Chip Land Grid Array (FCLGA) package....
Philips launches unique plug-in-play tuner 
Jan 1, 2004 12:00 PM
Royal Philips Electronics, Eindhoven, The Netherlands, has launched a digital cable plug-n-play tuner. It enables digital TV manufacturers to easily meet...
RFIC supplier announces production shipment of PA modules 
Jan 1, 2004 12:00 PM
RF Micro Devices Inc., Greensboro, NC, a supplier of proprietary radio frequency integrated circuits (RFICs) for wireless communications applications,...
Real-time spectrum analyzers enable in-depth analysis of cutting-edge RF applications 
Jan 1, 2004 12:00 PM
Tektronix, Inc., Beaverton, Oregon, has announced a new series of real-time spectrum analyzers that provide the first complete measurement package for...
Product of the Month

Monolithic VCO tackles triple bands 
Jan 1, 2004 12:00 PM
Trimming the single-chip PLL + VCO solution introduced last spring, National Semiconductor Corp. has developed a new family of monolithic RF voltage-controlled...
Product Focus

Semiconductors 
Jan 1, 2004 12:00 PM
Silicon digital TV IF amplifier IC Developed specifically for IF amplification in VSB and QAM tuners, the new 3.3 V ISG510067 from ISG Broadband combines...
Products

Products 
Jan 1, 2004 12:00 PM
Amplifiers 100-W amplifier EM Power RF has introduced an amplifier rated at 100 W over the band 0.8-4.2 GHz. Model 2030 is suitable for RF immunity testing,...
Design Tip

Optimizing LDMOS transistors' bias control 
Jan 1, 2004 12:00 PM, By Jim Pflasterer, director of applications engineering, Xicor Milpitas, CA
LDMOS transistors are used for RF power amplification in numerous communications applications, with the most popular being cellular base stations. These...