Microwaves and RF January 2012 Magazine: Issue Contents

Dec. 16, 2011

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Microwaves and RF

People

Global Semiconductor Alliance (GSA)Has appointed David Bell, President and Chief Executive Officer of Intersil Corp., to its board of directors. Bell is filling one of the board's semiconductor positions, dedicated to fabless and ......More
Jan. 25, 2012

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Microwaves and RF

Acquisition Merges Package And Lid Sources 2

Thanks to a recent acquisition, a greater variety of hermetic lids can be made for the semiconductor, microelectromechanical-systems (MEMS), medical, and optical markets. Customers are increasingly looking for complete ......More
Jan. 19, 2011

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Microwaves and RF

Kudos

AGILENT TECHNOLOGIES, INC.MORAY RUMNEY, the Lead Technologist specializing in Long Term Evolution (LTE) at Agilent, won the Informa LTE North America 2010 award for individual contribution to LTE development. Rumney's work is centered on ......More
Jan. 25, 2012

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Microwaves and RF

Biosensor Pajamas Give Newborn Caretakers Peace Of Mind

By taking advantage of biosensor and wireless communication technologies, a wireless-transmitter device on infant pajamas provides a biophysical approach to baby monitoring. Soon, parents and caregivers also will be able to obtain such ......More
Jan. 25, 2012

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Microwaves and RF

Wireless Trends Are Revealed For The New Year

Due to the economic pressures of the past few years, budgets are still tight in the microwave and RF industry. Many firms continue to put their money toward R&D for highly "safe" (i.e., profitable) markets and take a "wait-and-see" attitude ......More
Jan. 25, 2012

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Microwaves and RF

Smart Connector Could Cut Revenue Losses

The Smart Connector, a new sensor device, is installed in the connecting units of coaxial cable assemblies to provide real-time information about primary failure modes in RF cables. In telecommunications systems, connector and equipment ......More
Mar. 14, 2012

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Microwaves and RF

Market Quote

According to a recent analysis by the Population Reference Bureau, the science and engineering (S&E) workforce in the United States appears to have stalled. In 2010, S&E workers accounted for just 4.9% of the total workforcedown from 5.3% in 2000, ......More

Jan. 25, 2012

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Microwaves and RF

Perfect A PLL LTE Synthesizer

This analysis of a phase-lock-loop frequency synthesizer highlights the importance of the loop filter in final synthesizer performance, and how to analyze the noise contributions of the synthesizers component parts....More
Jan. 25, 2012

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Microwaves and RF

Broadside Coupler Channels 1 To 10 GHz

The combined use of two leading microwave simulators helped to create this broadband 90-deg. coupler which features two 19-section broadside couplers as part of a tandem structure....More
Jan. 25, 2012

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Microwaves and RF

Bandpass Filters Feature Dual Bands

This filter achieves dual passbands with high selectivity in a compact size by using asymmetrical separated spirals resonators embedded in microstrip transmission lines....More
Jan. 25, 2012

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Microwaves and RF

Predict Mixer Noise Behavior

These mathematical expressions can help calculate the effective input noise temperature using the proposed behavioral model of an RF/microwave frequency mixer....More

Jul. 14, 2011

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Microwaves and RF

Inside Track

With Chuck Davo, Owner and President of MECA Electronics, Inc....More
Jan. 25, 2012

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Microwaves and RF

Forget Old Vs. New - Find The Test Solution That Works For You

Despite a dizzying number of new options ranging from modular approaches to USB, test and measurement equipment still must be chosen according to application and performance needs....More
Jan. 25, 2012

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Microwaves and RF

USB Reigns In Power Measurements

Engineers involved in design and manufacturing have long sought RF/microwave measurement solutions with greater simplicity, cost effectiveness, speed, and accuracy. High on that list are simple but accurate power measurements. Although RF/microwave ......More
Jan. 25, 2012

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Microwaves and RF

Taking On Broadband Measurement Needs

The broadband channels that now characterize many modern communications standards have challenged test-equipment suppliers to generate and analyze more complex signals....More

Jan. 25, 2012

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Microwaves and RF

Look For Positive Changes

Nancy K. Friedrich Editor-in-Chief Counterfeit parts. Factories in poor countries, where wages are minimal and working conditions are terrible. Nefarious customers, who may be working to acquire technology for harmful end goals like ......More

Jan. 25, 2012

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Microwaves and RF

Grateful For Germanium

In your December 2012 issue, in the story "Transistors Pick Up Speed With GaAs" on page 50, I noticed a major error. Being an antique semiconductor engineer, I must let you know that almost all transistor were made with germaniumsome with germanium as a ......More
May 17, 2012

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Microwaves and RF

Editor's Note

Apologies to all of our friends at Mini-Circuits for the omission of the company name from the front cover, as well as from the first figure of the Cover Feature article. Although the company name was not on the front cover, it did appear within the ......More
Mar. 14, 2012

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Microwaves and RF

Revisit Our 50th

Our special 50th Anniversary issue has gotten a tremendous amount of reader feedback. Now, find all of its content online at ......More

Jan. 25, 2012

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Microwaves and RF

Approach Cuts Costs Of Performing Radar Simulations

Radar systems and radar-cross-section (RCS) measurements were once associated only with military applications. But the expansion of radar technologies to consumer and commercial applications has created a need for lower-cost RCS measurement approaches to ......More
Jan. 25, 2012

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Microwaves and RF

Probes Promise Precise On-Wafer Measurements At THz Frequencies

Terahertz-frequency integrated circuits (ICs) offer tremendous promise in terms of available bandwidth for short-range communications. Although such devices have been fabricated for use at frequencies through 3000 GHz (3 THz), the on-wafer commercial ......More
Jan. 25, 2012

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Microwaves and RF

Indium Phosphide Technology Yields Sources To 0.57 THz

Emerging millimeter-wave applications require the development of suitable low-noise oscillators for use as local oscillators (LOs) in receivers. To answer that call, researchers Munkyo Seo, Miguel Urteaga, Jonathan Hacker, Adam Young, Zach Griffith, ......More

Jan. 25, 2012

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Microwaves and RF

RF Chip Inductors Stay Ahead Of EMI

RF chip inductors are critical to many tuning and filtering circuits. Used in a variety of electronic systems, these essential circuit elements cut or eliminate electromagnetic-interference (EMI) noise on the printed-circuit board (PCB). They provide ......More
Jan. 25, 2012

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Microwaves and RF

Overcome LTE-A Carrier-Aggregation Issues

The emerging wireless communications standard, Long Term Evolution-Advanced (LTE-A), is specified as part of Release 10 of the Third-Generation Partnership Project (3GPP; www.3gpp.org) specifications. Though largely building upon existing LTE ......More

Jan. 25, 2012

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Microwaves and RF

Device Tester Emulates Wireless Networks

This advanced test system can generate and analyze all of the different signaling conditions experienced by a modern wireless network, aiding the design and evaluation of cellular phones and other wireless devices....More
Jan. 25, 2012

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Microwaves and RF

Cables Connect Test Equipment

A large number of suppliers offer custom configurations and standard lengths of low-loss coaxial cables for use with test equipment, many with online calculators to predict performance....More
Jan. 25, 2012

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Microwaves and RF

Synthesizers Span 0.6 To 20.0 GHz

This family of frequency synthesizers features generous output-power levels with low spurious and phase-noise levels and versatile remote-control capabilities, all in compact housings....More

Jan. 25, 2012

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Microwaves and RF

Power Sensor Detects To 150 W

Model MA24105A from Anritsu Co. is a standalone in-line peak power sensor that provides power measurement capability from 350 MHz to 4 GHz. It has a power range from 2 mW to 150 W and can measure forward and reverse power. The sensor's dual-path ......More
Jan. 25, 2012

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Microwaves and RF

Isotropic Antenna Grabs NFC Signals

A new three-dimensional-coil, isotropic magnetic antenna has been developed for near-field communications (NFC) at 13.56 MHz. Model 3DC15-HF is a surface-mount antenna formed of nickel-zinc (NiZn) ferrite core material with resistance of greater than 10 ......More
Jan. 25, 2012

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Microwaves and RF

Free Software Aids EMC Measurements

The latest version of the SW1007 electromagnetic-compatibility (EMC) test software is now available free of charge from AR RF/Microwave Instrumentation. The software now features military standard (MIL STD) emissions capabilities, along with its legacy ......More
Jan. 25, 2012

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Microwaves and RF

VCO Runs From 3750 to 3800 MHz

Model CVCO55CC-3750-3800 is a voltage-controlled oscillator (VCO) that operates from 3750 to 3800 MHz using control voltages of about 0.5 to 16.0 V. Ideal for applications such as digital radio equipment, fixed wireless access, satellite communications ......More
Jan. 25, 2012

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Microwaves and RF

GaN Amplifier Powers 3 GHz

The AMFG family of gallium-nitride (GaN) power amplifiers from MITEQ now includes the model AMFG-3F-00030300-60-33P-HS-12V with an internal DC/DC converter for simple operation from a 12-V supply.It operates from 30 MHz to 3 GHz with more than 40-dB gain ......More

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