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Interference Technology

For EMI / EMC Engineers

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Amplifers

New Solid State Amplifier Features an Improved Noise Figure and Compact Design

 

The new Model 500A250A from AR RF Microwave Instrumentation is the first in a planned series of new “A” RF amplifiers. This first model covers 10 kHz to 250 MHZ and provides a minimum of 500 watts swept power when used with an RF sweep generator. A compact, innovative design has created a smaller size and reduced weight as compared to existing products. In fact, Model 500A250A … [Read more...]

MILMEGA to make presentation to South Eastern Michigan EMC chapter

 

USA Sales Manager Tom Mullineaux will be making a presentation to the South Eastern Michigan IEEE EMC Chapter on generating and calibrating 600v/m automotive test fields in an ALSE chamber.Scheduled for March 19th 2009, the presentation looks at possible antenna /amplifier combinations for generating 600 v/m @1m test distance, and looks at field calibration methods that avoid … [Read more...]

Microwave Amplifier Range Utilizes GaAS FET and MMIC Technologies

 

The Series 2000 4.0- to 8.0-GHZ broadband amplifiers from MILMEGA utilizes the latest GaAs FET and MMIC (monolithic microwave integrated circuit) technologies. They feature an array of input/output and sample port options and cost-effective power or bandwidth upgrades. Other product features include gain variation with temperature ofP1 dB, harmonics of -20 dBc minimum, and … [Read more...]

High-Power Amplification Available Across Multi-Octave Bandwidths

 

The GT-1000A microwave power amplifier from Giga-tronics offers linear high-power amplification across multi-octave bandwidths. Via a special agreement with CAP Wireless, that firm’s Spatium™ broadband spatially combined power amplifier technology has been incorporated into the GT-1000A. This device can be paired with Giga-tronics’ 2400B or 2500A frequency synthesizer to … [Read more...]

MORE AMPLIFIER PRODUCTS

 

TWT Amplifiers Meets Demands HIRF EMC Testing in Commercial AircraftA series of new high-power, pulsed TWT (traveling wave tube) instrumentation microwave amplifiers has been introduced by UK-based TMD Technologies, Ltd. These amplifiers have been optimized to meet the latest stringent demands of high intensity RF (HIRF) EMC testing. The PTC6000 and the PTC7000 TWTAs between … [Read more...]

EM Pioneer Dies at 92

 

Professor Emeritus John Roy Whinnery, former dean of engineering at the University of California, Berkeley, and a distinguished innovator in the field of electromagnetism and communication electronics has died at the age of 92. Whinnery’s earliest work focused on understanding discontinuities in electromagnetic wave devices. His research led to innovations in microwave … [Read more...]

Building a State-of-the-Art 5-Meter Chamber

 

An efficient shield room for automotive testing progresses from design to finished structure Michael Koffink, Bob Mitchell Intertek ETL Semko Littleton, MA Four years ago, we noticed a growing demand for EMC testing from the automotive industry. As cars and trucks now feature myriad on-board electronic devices, they are increasingly susceptible to stray emissions while … [Read more...]

Reverberation Chamber for EMC Testing

 

The reverberation chamber provides the most realistic simulation/equivalency for electronics functioning within a cavity Er-Ping Li, Ph.D.; Xing-Chang Wei, Ph.D., Electromagnetic Labs, Singapore National Institute of High Performance Computing Singapore Introduction The problem is familiar, but growing. The widespread and ever-growing use of electronic devices with high-speed … [Read more...]

Expanded Amplifier Line Delivers Reliable Performance in Demanding Environments

 

Five new broadband power amplifiers from Teseq operate from 0.8 GHz to 3.1 GHz and from 2 GHz to 6 GHz with power levels ranging from 30 W to 450 W. Three Class A models are based on gallium arsenide (GaAs) integrated circuit (IC) technology and offer significantly better compression characteristics and increased efficiencies than earlier silicon-based low power amplifiers. The … [Read more...]

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