A research collaboration between European scientists has yielded a breakthrough in wideband amplifier circuit design. Researchers from University College London (UCL), UK and Chalmers University of Technology, Sweden have successfully designed and tested an amplifier that operates from low GHz frequencies to frequencies exceeding 235 GHz. The new amplifier also features a gain … [Read more...]
Amplifers
Liquid-Cooled High-Power Broadband Amplifier for EMS Testing
Rohde & Schwarz has released new liquid-cooled high-power broadband amplifiers ideal for EMS tests where high field strengths are required. Offering up to 10 kW of power in a frequency range from 9 kHz to 225 MHz, the new R&S BBL200 amplifier family is particularly suited for testing in the automotive, aerospace and defense sectors in line with standards such as MIL … [Read more...]
Amplifier Expands Voltage Range for Insulation Analysis
Electrical test and measurement equipment provider Megger has released its VAX020 high-voltage amplifier for the reliable assessment of insulation conditions using dynamic frequency response (DFR) techniques, even in extreme high-interference environments such as HVDC substations. In addition, the amplifier also eliminates the difficulties associated with testing … [Read more...]
Digital Predistortion Option Shortens Test Time and Simplifies Amplifier Evaluation
Rohde & Schwarz has announced the new R&S SMW-K541 digital predistortion option for its R&S SMW200A high-end vector signal generator. Predistortion can extend the operating range of amplifiers, says the company, but determining the right correction factors has always been a time-consuming process. The new R&S SMW-K541 digital predistortion option allows users … [Read more...]
IEC 61290-3-3 ed1.0: Optical Amplifiers – Test Methods – Part 3-3: Noise Figure Parameters – Signal Power to total ASE Power Ratio
From the International Electrotechnical Commission webstore: "IEC 61290-3-3:2013 applies to all commercially available single channel optical amplifiers (OAs), including OAs using optically pumped fibres (OFAs) based on either rare-earth doped fibres or on the Raman effect, semiconductor optical amplifier modules (SOA modules) and planar optical waveguide amplifiers (POWAs). … [Read more...]
New Millimeter Wave Amplifier for Demanding Military and Commercial Applications
API Technologies, a provider of RF/microwave, microelectronics and security solutions for critical and high-reliability applications, today announced the addition of a new standard 44 GHz millimeter wave (MMW) amplifier to its family of products. The new model BXHF1075 amplifier features an ultra-high frequency, two-stage design for high gain and medium power, and is enclosed … [Read more...]
New GaAs MMIC Distributed Amplifier
Custom MMIC, a developer of performance-driven monolithic microwave integrated circuits (MMICs), has released the CMD173P4, a GaAs MMIC distributed amplifier operating from DC to 20 GHz. Ideal for use in microwave radio systems, telecom infrastructure, test instrumentation and military electronic warfare subsystems, the CMD173P4 delivers greater than 15 dB of gain with a … [Read more...]
Patent Issued for Signal Measurement Apparatus and Beam Modulation Apparatus Used Therein
The U.S Patent and Trademark Office has awarded patent No. 8527226, “Signal Measurement Apparatus and Beam Modulation Apparatus Used Therin” to Vanderbilt University in Nashville, Tenn. According to the background information supplied by the inventors, the new patent “relates to signal measurement, and more specifically to an apparatus for signal measurement and beam … [Read more...]
Satellites Need Better Shielding from Space Weather, Say Researchers
Scientists are investigating the effects of extreme space weather on geostationary satellites with the intention of better preventing electronics failure. In a new study published in Space Weather, researchers from the Massachusetts Institute of Technology (MIT) say that solar flares, geomagnetic storms and other forms of electromagnetic radiation may be to blame for up to 26 … [Read more...]
Compact Broadband Amplifier Expands EMC Testing Frequency Range to 6 GHz
Rohde & Schwarz has released the new R&S BBA150 broadband amplifier, which expands the frequency range for EMC testing up to 6 GHz for research, engineering, communications and radar applications. The new frequency range is an addition to the already-existing range from 0.8 GHz to 3.0 GHz. Thanks to their state-of-the-art design, the amplifiers, which have been … [Read more...]
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