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Military, Aerospace & Hi-Rel

August 2017
Composite Connectors Deliver up to 40 Percent Weight Savings Over Similar Aluminum Devices
Composite Connectors Deliver up to 40 Percent Weight Savings Over Similar Aluminum Devices
Aerco is now stocking TE Connectivity (TE)’s DEUTSCH MIL-DTL-38999 series next generation ACT composite connectors which deliver up to 40 percent weight savings over similar aluminum devices. TE’s DEUTSCH group created one of the original composites in 1990, and its ACT series shells are not only very lightweight, th
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Date:
08/31/2017
Littelfuse will acquire IXYS for $750 million
IXYS is a global pioneer in the power semiconductor and integrated circuit markets with a focus on medium to high voltage power control semiconductors across theindustrial, communications, consumer and medical markets. IXYS has a broad customer base, serving more than 3,500 customers through its direct salesforce an
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Date:
08/30/2017
250W Power Device Covers the Frequency Range up to 3.0GHz
250W Power Device Covers the Frequency Range up to 3.0GHz
Wolfspeed, a Cree company, has extended its family of 50V unmatched GaN HEMT RF power devices by adding a 250W part with a frequency range up to 3.0GHz and the highest efficiency of any comparably-rated GaN device available, enabling RF design engineers to use fewer components to design smaller and lighter linear am
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Date:
08/25/2017
IVT-S measures current in the Fraunhofer development platform foxBMS

Image 1: Isabellenhütte’s high-precision current measurement system, IVT-S, measures current in the foxBMS development platform at the Fraunhofer IISB, Erlangen.

IVT-S measures current in the Fraunhofer development platform foxBMS
The Fraunhofer Institute for Integrated Systems and Device Technology (IISB), Erlangen, is using Isabellenhütte’s shunt-based management system IVT-S for precision current measurement in battery management systems in its foxBMS development platform. The Isabellenhütte IVT series offers precise, temperatu
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Date:
08/24/2017
CDM Now Stocks TopFlite Components’ Military and Commercial-Equivalent Connector and Accessory Solutions
CDM Now Stocks TopFlite Components’ Military and Commercial-Equivalent Connector and Accessory Solutions
Turnersville, NJ - CDM Electronics announced the availability of TopFlite Components' extensive portfolio of commercial-grade, military-equivalent backshells and adapters, protective covers, connector accessories, harsh environment connectors, and shield termination products.  The robust parts are specifica
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Date:
08/23/2017
Noise Sensitive Applications Want Ultralow Noise LDO Regulators
Amit P. Patel, Senior Design Engineer, Power Products & Steve Knoth, Senior Product Marketing Engineer – Power Products, Linear Technology Corporation

Linear Regulators are integrated circuits that step a voltage down from a higher voltage to a lower voltage without the need of an inductor. The low dropout linear regulator (LDO) is a special type of linear regulator in which the dropout voltage – the differential between the input-to-output voltages needed to
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Date:
08/21/2017
Determining the State of Health of Batteries Quickly and Precisely
Dipl.-Ing. Andreas Mangler, Rutronik, Dr.-Ing. Olfa Kanoun and Dipl.-Ing. Thomas Günther, Chemnitz University of Technology

When Li-ion batteries age, their performance drops. Current methods still require complex instrumented laboratory-based tests to determine how quickly and to which degree this occurs. In contrast, a procedure developed by Chemnitz University of Technology now enables quick and precise diagnosis. It ensures the re
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Date:
08/21/2017
PSDcast - Protecting Transformers From Solar Storms
PSDcast - Protecting Transformers From Solar Storms
In this episode of the PSDCast, we're talking to Doble Engineering about space weather -- more specifically, protecting transformers from geomagnetically-induced currents triggered by solar storms 
Date:
08/17/2017
Power Systems Design (PSD) Hosted & Moderated a PCIM Europe Podium Session - A Special Report

Kevin Parmenter, PSD Contributor

Power Systems Design (PSD) Hosted & Moderated a PCIM Europe Podium Session - A Special Report
Opening Statements by Panel Moderator: Kevin Parmenter, PSD Contributor It was my distinct pleasure to chair a podium session at PCIM in Nuremburg Germany in May. The subject of the session was enabling next generation power and the panelists were from the AMP, or Architects of Modern Power, organization. The
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Date:
08/11/2017
Magnetic Encoder Displacement Sensor Achieves Higher Durability, Reliability Over Hall Effect Potentiometers
Magnetic Encoder Displacement Sensor Achieves Higher Durability, Reliability Over Hall Effect Potentiometers
MALVERN, Pa. — Vishay Intertechnology, Inc. introduced a new magnetic position sensor that delivers accuracy comparable to Hall effect devices while offering higher reliability and better durability. The one-time programmable (OTP) Vishay Sfernice RAME027 provides accuracy of ± 0.33 % at 25 °C in a small 27 mm
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Date:
08/09/2017
Precise Power Integrity Measurements

Figure 1. Power rail voltages and tolerances required by ICs continue to decrease. These dynamics challenge traditional oscilloscope measurement approaches as the noise of the scope and probe system impairs the ability to make accurate measurements of small signals.

Precise Power Integrity Measurements
Joel Woodward, Strategic Oscilloscope Planner at Rohde & Schwarz in Munich

Development teams face increasing power integrity challenges. FPGAs, ASICs, and standard components semiconductor devices continue to increase in gate count. Each of the millions of gates on an integrated circuit requires current to switch. As devices can consume tens of amps and total power must be managed, DC
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Date:
08/09/2017
Probing Tips for High-Performance, Low-Power Circuits

Figure 1. Extending the frequency and voltage range of a probe requires a front-end network of resistors and capacitors.

Probing Tips for High-Performance, Low-Power Circuits
Andy Heltborg, Tektronix

Low-power circuits combine high speed and low-power consumption in a single component, presenting a number of probing and testing challenges. Since many low-power devices are also high-speed systems, there is a need to test and verify their performance. Testing the low-power components for compliance with industry st
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Date:
08/09/2017
Accurate Power Measurement: The Key to Energy Efficiency
Anoop Gangadharan, Yokogawa

In response to pressures to optimise energy efficiency throughout industry, a number of trends are emerging across the power landscape: · In the automotive sector, we are seeing increased electrification of the power train and the growing adoption of hybrid, electric, plug-in and fuel-cell based transportation
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Date:
08/09/2017
18-75V Ultra-wide Input Voltage DC/DC Converter URF48xxQB-100WR3 Series

MORNSUN new 100W DC/DC converter—URF48xxQB-100WR3 series

18-75V Ultra-wide Input Voltage DC/DC Converter URF48xxQB-100WR3 Series
Along with the upgrading of traditional manufacturing and increasing input in industrial automation, traditional industries such as industrial control and communication industries increase their demand for medium-power DC/DC power supply. Following the trend, MORNSUN introduces a new 100W DC/DC converter—URF48xxQB-1
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Date:
08/08/2017
RF MLCCs Offer Reliability and Design Flexibility With Industry's First Operating Temps to 200°C
RF MLCCs Offer Reliability and Design Flexibility With Industry's First Operating Temps to 200°C
MALVERN, Pa. — Vishay Intertechnology, Inc. introduced the industry's first surface-mount multilayer ceramic chip capacitors (MLCCs) for high frequency RF and microwave applications to offer an operating temperature range to +200 °C. For telecom base stations and military communication systems, the Vishay Vit
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Date:
08/08/2017
Testing Anti-Drone Solutions (Ranging From Clever to Overkill)
Jason Lomberg, Editor, North America, PSD

In a world where many people would rather discharge shotguns at UAVs flying anywhere near their property than tolerate a drone delivery service, it’s hardly surprising that drone defense is a hot topic. So a comprehensive evaluation of some of the most ingenious (and hyperbolic) anti-drone devices was in order. Se
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Date:
08/08/2017
Navy Grant to Allow UTA Researcher to Study Challenges of High-Power, Intermittent Energy

David Wetz, associate professor of electrical engineering at The University of Texas at Arlington, is studying energy storage for the US Navy.

Navy Grant to Allow UTA Researcher to Study Challenges of High-Power, Intermittent Energy
University of Texas at Arlington

There is a continuing effort by the U.S. Navy to integrate energy storage throughout their fleet of vessels. Many batteries may be used to supply high power to intermittently operated loads and it is important to have a way to test how those batteries will perform under operational conditions before the ship
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Date:
08/03/2017
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