David A. Weston, EMC Consulting, Inc., Merrickville, Ontario, Canada INTRODUCTION This paper shows that the antenna factor of the receiving rod antenna and the E field incident on it, from a standard source of radiation, both change when the counterpoise of the rod is either isolated from the ground plane on the table (new MIL-STD-461F set up), or connected, as per … [Read more...]
Amplifers
New Solid-State Amplifiers from AR Pack More Power into Smaller Packages – Free Datasheet
AR RF/Microwave Instrumentation has introduced a family of new solid-state amplifiers that are more compact, more efficient, and more powerful than previous models. The new “S” Series covers 0.8 – 4.2 GHZ and powers up to 800 watts. These models employ a new design that delivers more than twice the power of older models. With these improvements, AR has maintained the superior … [Read more...]
Field Generation Test System Is Fully-Shielded To Prevent EMI Interference
AR RF/Microwave Instrumentation has designed a complete field generation test system that is fully shielded, making it ideal for use in an anechoic chamber without being susceptible to or causing interference.Model AS18013 houses a variety of field generation equipment in two air-conditioned EMI-shielded equipment racks. Among the included equipment is the SC1000M3 system … [Read more...]
Solid State Broadband High Power RF Amplifier
Ophir’s Model 5088 is a 600 Watt broadband amplifier that covers the 0.01–200 MHz frequency range. This amplifier utilizes Class A/AB linear power that provides high output power and is one of the smallest RF power amplifiers in this power and frequency range. See a datasheet from Ophir. … [Read more...]
New Class D Amplifier Solves EMI Issues
Silicon Laboratories Inc.’s new class D amplifier effectively mitigates electromagnetic interference, bringing affordable fidelity to consumer audio electronics. The first member of Silicon Labs’ Class D amplifier family, the new Si270x amplifier can be used in a wide range of price- and noise-sensitive consumer audio products, including smart phone docking stations, tabletop … [Read more...]
Full-Wave EM Simulation Models Components and Systems
EM-Supreme 10.0 is a 3D/2.5D full-wave electromagnetic simulation that can model virtually any circuit including active components, passive components, and complete RF modules and systems. EM-Supreme includes electromagnetics, circuit, and transistor-based models into one-package allowing unique and unsurpassed accuracy and capabilities. EM-Supreme can model power amplifiers, … [Read more...]
Electromagnetic Attacks Case Studies on Non-Protected and Protected Cryptographic Hardware Accelerators
Laurent Sauvage, Olivier Meynard, Sylvian Gulley and Jean-Luc Danger, Institut TELECOM, TELECOM ParisTech, Secure-IC S.A.S., Paris, France ABSTRACT Electromagnetic analysis (EMA) is an important class of attacks against cryptographic devices. In this article, we present two attacks to disclose the key of cryptographic implementations in FPGAs by taking advantage of EMA. The … [Read more...]
Toroid Kit Includes Four Materials for Inductive Applications
Fair-Rite offers a high-frequency Toroid Kit that features eight sizes and four materials. The Toroids supplied in the kit are based on the most common industry sizes and the materials are selected for optimized performance for power conversion and low loss applications.Potential users who will benefit most from this kit are companies involved in radio frequency amplifiers, … [Read more...]
System Designed to House Field Generation Equipment
The AS40006 AR System has been specially designed to house, in two, air-conditioned, EMI shielded equipment racks, the AR field generation equipment listed below. An additional control room rack cabinet of desk configuration is provided to house the field measurement and antenna height control equipment. This configuration provides a convenient tabletop location for the control … [Read more...]
New Energy Efficient RF Transistors Provide High-Reliable ESD Protection
Infineon Technologies has launched new RF transistors with electrostatic discharge protection for design of reliable, high sensitivity wireless communications devices. When used as the Low Noise Amplifier (LNA) stage of the RF signal chain, the new transistors reduce the risk of electrostatic discharge that can lead to failure or damage of the wireless system. The new energy … [Read more...]
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