How to reduce electromagnetic pollution? In a paper published in NANO, a group of researchers from Anhui University of Science and Technology have synthesized PANI/Zn ferrite composites which have shown excellent microwave absorption performance.
Huawei pleads its case in the U.S., Verizon targets competitors' broadband dominance, Seattle takes the fight to the FCC, and spectrum auction costs continue to spiral out of control, all in this edition of The Week In 5G.
Precise measurement using a continent-wide collection of National Science Foundation (NSF) radio telescopes has revealed that a narrow jet of particles moving at nearly the speed of light broke out into interstellar space after a pair of neutron stars merged in a galaxy 130 million light-years from Earth.
Scientists uncover a way to control terahertz radiation using tiny engineered particles in a magnetic field, potentially opening the doors for better medical and environmental sensors.
The SKY16602-632LF is a low-threshold (+5 dBm typical) PIN diode limiter module covering the 0.2 to 4.0GHz frequency range. It features low insertion loss, low distortion, integrated PIN limiter and Schottky diodes, and DC blocks.
Corry Micronics, Inc. (CMI) offers a wide range of cellular band high-power amplifiers operating over the 900 MHz to 2,700 MHz frequency range for use in a variety of cellular applications. This family of amplifiers features high linearity, base station quality, low noise figure, and frequency modulation in GSM, LTE, and UMTS.
The NuPower™ 12B01A broadband, high performance solid-state power amplifier delivers over 10 watts across the entire 1.0 GHz to 2.5 GHz frequency range. Ideal for broadband RF telemetry and military communication systems that require high reliability and high efficiency in a compact housing.
JFW’s 50BA-024-62 is a mini benchtop programmable attenuator assembly designed for mm-wave testing. It is configured with one solid-state programmable attenuator, and it features an attenuation range of 0 to 62 dB in 1 dB increments and 50 Ohms nominal impedance.
Qorvo offers the new QPB9329 highly integrated front-end module with operation in the 3.8 – 5.0 GHz frequency range for TDD base station, wireless infrastructure, small cell BTS, and pre-5G/5G massive MIMO applications. This LNA module integrates a two-stage LNA and a high power switch in a dual-channel configuration.
Integra Technologies introduces the C-band IGT5259CW25 transistor with GaN on SiC HEMT technology exhibiting 12 dB typical gain and 48% drain efficiency. It is ideal for applications operating in the 5.2 – 5.9 GHz frequency range. This depletion mode device is 100% high power RF tested in a 50Ω RF test fixture.
Remcom's 5G MIMO simulation software offers a unique ray tracing capability for simulating MIMO antennas for 5G, WiFi, and other technologies relevant to today's rapidly advancing technologies.
AR provides up to 500 watts of linear output power over the 0.7 to 6 GHz instantaneous frequency band in one benchtop amplifier housing when driven with a signal generator output of 0dBm. These Class A designs offer ∞:1 output protection, excellent harmonics and 100% rated power without foldback into mismatched loads. Class AB units are also available. Units have a digital display and all amplifier control functions and status indications are available. These instruments are used for EMC, wireless, or EW applications.
Role Call is a series on RF Globalnet that will explore each of these topics with a “peek behind the curtain” at different jobs and career paths in the RF and microwave industry. Our most recent subject is Trushal Vijaykumar Chokshi, the Principal Systems Design Engineer at SiTime. Trushal specializes in the development of high-throughput systems for micro-electro mechanical systems (MEMS) resonators and oscillators, relying on a background in physics and electrical engineering with a focus on MEMS and analog circuits.
The behavior of transmission lines in RF systems becomes important when the transmitted frequency’s wavelength is short enough that the length of cable becomes a significant part of a wavelength. Microstrip consists of a conducting strip separated from a ground plane by a dielectric substrate.
This white paper examines the effect of using normal Class A/B bias for kW-level GaN and LDMOS transistors used in radar and avionic systems.
The millimeter-wave (mmWave) technology market is on an upward trend, continuously adapting to new applications. This Q&A covers the basics of mmWave technology and presents what dB Control offers in this market.
Compiled by The Next Generation Mobile Networks (NGMN) Alliance’s 5G Extreme Requirements task force – which includes contributors such as Jaya Rao, Huawei; Joachim Sachs, Ericsson; Alan Stidwell, David Lister, Vodafone; and Javan Erfanian, Bell Canada -- this white paper aims to highlight what implications and trade-offs related to the delivery of new 5G services are relevant for mobile network operators.
Corry Micronics offers a series of high power RF amplifiers operating in frequencies ranging from 869 GHz to 2170 GHz, and with nominal output power of 32 W or 45 W. Signal types include GSM, LTE, and UMTS models. Control and monitoring features are available.
The Fischer Plastic Series is a family of high performance, fully insulated plastic connector bodies that are all compatible with Fischer’s metallic connectors. Key features include high reliable signal path, high signal and contact density, clear coding for easy operation, and resistance to large temperature variations.
API Technologies offers an array of integrated microwave assembly (IMA) and subsystem solutions for electronic warfare, military communications, radar, aerospace, and commercial applications. The filter-based IMAs are designed to reduce the overall mechanical footprint of the system, and deliver an improved electrical performance. Amplifier-based IMAs can achieve high power switching, and feature a digital interface, multiple outputs, and voltage sequencing. The last group of IMAs offers custom and standard building block signal generation and conversion solutions.
Skyworks offer two new front-end modules (FEMs) for GNSS/GPS/GLONASS/Galileo/Compass/QZSS radio receiver applications in the 1559 to 1606 MHz frequency range. The SKY65933-11 and the SKY65943-11 feature an integrated low noise amplifier (LNA), and a pre-filter and post-filter. Both devices use surface-mount technology (SMT) in the form of a 2.5 x 2.5 mm Multi-Chip Module (MCM) package, which allows for a highly manufacturable and low-cost solution.
Skyworks’ newest family of compact, high performance RF front-end modules (FEMs) is specifically designed for LPWAN – supporting LoRa®, SigFox and other unlicensed band technologies – as well as high-power Industrial, Scientific, Medical (ISM) applications operating in the 860-930 MHz frequency range. These new solutions deliver improved sensitivity and more than quadruple the operating range versus a standalone system-on-chip (SoC).
AR’s new COO, John Kim, gives a quick summary of the AR service oriented culture and divisions worldwide at the 2018 IEEE EMC Symposium. #AR50YearsStrong
Measure frequency vs. time using the new Transient Mode measurement option on the Berkeley Nucleonics Phase Noise Tester. This measurement mode enables both wide band and narrow band measurements with high measurement rates and long measurement spans (track drift over time). Use the wide band measurement to analyze large frequency changes. Measure and characterize a 100 uS transient period between a 1 GHz and 2 GHz signal from an RF Signal Generator. Measure and characterize a 10 kHz frequency modulation.
This video provides a short tutorial on measuring ultra-low phase noise on a 100MHz OCXO using tunable external references. Measure over a wide range, 1Hz to 50MHz offset, using just 2 cross correlations. You can also measure -182 dBc at 1MHz, -177dBC at 10kHz, and -162 dBc at 1kHz.
Qorvo ("kor-vo") enables customers to launch next-generation designs even faster. Our unique combination of talent, technology, scalability and innovation helps you eliminate barriers to bringing your most powerful ideas to market.
"We believe that our new name reflects our company's commitment to keep customers at the center of all that we do," said Bob Bruggeworth, Qorvo president and CEO. "As a new leader in RF solutions, Qorvo will offer the agility, innovation and precision customers need for success in mobile, infrastructure, and defense markets."
Skyworks is the industry’s leading wireless semiconductor company focused on RF and complete semiconductor systems for mobile communications applications...
Established in 1990, dB Control Corp., a subsidiary of the Electronic Technologies Group (ETG) of HEICO Corp., supplies mission-critical, often sole-source, products worldwide to military organizations, as well as to major defense contractors and commercial manufacturers.
Dielectric Laboratories is a global supplier of microwave and millimeter wave components for optical and wireless communications, military, medical, semiconductor, aerospace, and transportation markets. We are a manufacturer of High-Q Multi-Layer capacitors (MLC) and Single-Layer capacitors (SLC), Resonators, Filters, Broadband DC blocks, Thin Film components, and Custom ceramic components. In 2004, DLI acquired Voltronics Corporation, a world leader in precision variable capacitors.
Electronic Military & Defense was developed as a resource for engineers, program managers, project managers, and other professionals involved in the design and development of electronic and electro-optic systems for a wide range of defense and aerospace applications. Check out the digital edition of our latest issue for exclusive editorial on open architecture and standards applied to defense applications, overlooked EMC vulnerabilities, microfabrication, display technologies, and more.
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Altair has acquired SIMSOLID, a company founded by asking a simple question: “Why does the geometry used in the Design and Structural Simulation worlds have to be so different?” SIMSOLID works on full-fidelity CAD assemblies to provide fast, accurate, and robust structural simulation without requiring geometry simplification, cleanup, or meshing. Its underlying technology is based largely on the work of Dr. Victor Apanovitch, a former professor at Belarus Polytechnic University and the cofounder of SIMSOLID Corporation.
The European Space Agency joins the EU's 5G development effort, U.S. lawmakers try to meddle in Huawei's Canada dealings, Verizon hits a wall (many walls) during its 5G rollout, and more, all in this edition of The Week In 5G.
New base models up to 6 GHz, 13.6 GHz and 26.5 GHz, plus corresponding frequency extensions via software upgrades, now take spectrum analysis capability up to 31 GHz. The R&S Spectrum Rider FPH is a flexible solution for precise measurements in the field and lab at an affordable price.
Teledyne e2v HiRel Electronics, part of the Teledyne Defense Electronics Group, recently announced new, integrated module capabilities for demanding space and satcom applications.
Antennas need to cope with some of the world’s harshest and most isolated ocean environments. Intense cold, extreme corrosion, ice, rain, hail, vibration and the constant jarring force of the waves must all be overcome on a daily basis.
A new study shows that terahertz data links, which may play a role in ultra-high-speed wireless data networks of the future, aren’t as immune to eavesdropping as many researchers have assumed. The research, published in the journal Nature, shows that it is possible for a clever eavesdropper to intercept a signal from a terahertz transmitter without the intrusion being detected at the receiver.
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