As this edition of the eNews is being prepared, the European Parliament is slated to hear an address urging precautionary measures regarding exposure to man-made electromagnetic fields and their impact on human health. Belgian Liberal Member Frédérique Ries is scheduled to address the full European Parliament and to deliver her report on mobile phone safety. Reportedly, Ms. … [Read more...]
Antennas
- Free EMC Formulas & Equations: dBm, Volts, Watts Conversion
- Free EMC Formulas & Equations: Antenna Factor and Gain Calculations
- Free EMC Resource: VSWR vs. Return Loss Cheat Sheet
- Free Article: The Importance of Antenna Beamwidth in RF Testing
- Free Article: 4 Reasons To Get A Bilogical Antenna First For Device Testing
A Real-life Story
The Sharp (and Painful) Relationship between Market and Economic Trends and One’s Engineering Field of Expertise and Career Choices In this month’s column I have chosen to bring up a real-life story received from one of our readers (name withheld). In summary, it tells the story of an RF engineer who strayed to programming fields and has a hard time coming back. The … [Read more...]
SE Michigan Section Slates Speaker on Antennas and RF Sensors
The Southeastern Michigan Section of the IEEE Society has slated a session for Monday, March 16, 2009 at 3:30 pm. This event is part of the Section’s “Chapter IV” Speaker Series and will feature John L. Volakis, a professor in Ohio State University’s School of Electrical and Computer Engineering. Prof. Volakis will discuss “Antennas and RF Sensors: Changing the Way We Live.” … [Read more...]
TV and Radio Frequencies
The antenna experts at A.H. Systems provide a table of the VHF, UHF, and FM frequencies present in the ambient environment.READ MORE … [Read more...]
Table of Television and Radio Frequencies
The antenna experts at A.H. Systems provide a table of the VHF, UHF, and FM frequencies present in the ambient environment.Click here to sign in. … [Read more...]
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...]
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...]
Lithium-zinc Ferrite for the Suppression of Electromagnetic Noise
Studies show that Li-Zn ferrites can successfully suppress EMI N.C. Joshi, S.S. Islam, Ph.D., Jamia Islamia University Jamia Nagar Anjali Verma, Ph.D., Indian Institute of Technology New Delhi, India Recent technological development has been characterized by an unprecedented proliferation of digital technology in information and communications equipment. The worldwide … [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...]
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