Test & Measurement

August 2018

A Quick Guide to Automotive DC-DC Converter Test

Figure 1. Block Diagram

A Quick Guide to Automotive DC-DC Converter Test

Larry Sharp, Chroma Systems Solutions

An automotive DC-DC converter receives high-voltage battery output and converts it to a lower voltage to power on board devices such as the instrumentation panel, entertainment system, sensors, LED lighting, and any other on board devices requiring low voltage DC power. Manufacture’s strategies in DC-DC co

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Date:

08/31/2018

Using 3D Printing to Explore the Boundaries of the Constitution

Using 3D Printing to Explore the Boundaries of the Constitution

Jason Lomberg, North American Editor, PSD

Quick – how do you feel about gun control? How about a printable gun with no serial number that’s immune to metal detectors? Still certain? One of the hottest test and measurement themes is rapid prototyping, and while medical applications might pay the bills, 3D-printed guns have dominated public discourse

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Date:

08/31/2018

Squaring the Circle

Figure 1: Hardly larger than a conventional sensor, but with unparalleled dynamic range: the R&S NRQ6 frequency selective power sensor.

Squaring the Circle

Dr. Georg Schnattinger, Michael Kaltenbach, Marcel Thränhardt, Rohde & Schwarz

It may sound obvious, but for precise power measurements with RF signals the instrument of choice is an RF power meter. Two power detection technologies have become established: thermal measurements and diode measurements. Thermal power sensors determine power based on the heat generated by an input signal in a

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Date:

08/30/2018

Picking the Right Hipot Tester for the Job

Figure 1. Hipot is applied to both conductors and leakage is measured in return circuit through the ground connection

Picking the Right Hipot Tester for the Job

Kevin Clark, CEO, Vitrek Inc.

Hipot testers offer a range of capabilities starting with dielectric withstand and insulation resistance testing but also, in many instances, providing accurate low-resistance measurements and low-resistance/high-current outputs to test ground resistance and ground bond integrity. Selecting the right one for

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Date:

08/30/2018

Battery Testing with an Electronic Load

Figure 1 – Battery Application mode on RIGOL’s DL3000 Series Electronic Load

Battery Testing with an Electronic Load

Daniel Monforte and Malcom Armstrong, Rigol Technologies

As the electronics industry continues to grow, so does the need for better batteries, and battery technology that reduces their size, improves their reliability, and increases their capacity. Engineers require an instrument that is capable of testing batteries to ensure they can meet the requirements of th

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Date:

08/30/2018

E-Commerce Platform Allows CAD Visualization of Components

E-Commerce Platform Allows CAD Visualization of Components

Plano, TX – The e-commerce platform www.rutronik24.com has launched a new feature enabling developers to choose between different CAD models of the components available on the site and download them for use in their own design programs. To achieve this, Rutronik24 has partnered with Ultra Librarian. Rutronik24 is workin

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Date:

08/29/2018

Power Test Solutions Available From 6kVA to 150kVA

Power Test Solutions Available From 6kVA to 150kVA

For an unparalleled selection of precision AC and DC power sources at power levels from 6kVA to 150kVA, look no further than Pacific Power's AFX Series. Now available in a new 2018 A version with expanded frequency and voltage ranges. Fully programmable and capable of AC, DC or any combination of AC plus

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Date:

08/21/2018

Miniature Coaxial Connector Offered With 40GHZ SMP Interface

Miniature Coaxial Connector Offered With 40GHZ SMP Interface

DOWNERS GROVE, ILLINOIS -- Hirose has launched a series of MIL compliant coaxial connectors that deliver excellent high frequency performance up to 40Ghz. The SMP Series mmWave connector features a user-friendly push-on lock and is available in wide variations including plug, jack, adapter and terminator. Offer

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Date:

08/21/2018

µModule Regulator with Digital Power System Management

µModule Regulator with Digital Power System Management

NORWOOD, MA - Analog Devices announces the Power by Linear LTM4686, a dual 10A or single 20A ultrathin step-down µModule regulator with a PMBus interface housed in a 16mm x 11.9mm x 1.82mm LGA package. The 1.82mm package height allows the LTM4686 to be placed on a PC board very close to its load such as an FP

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Date:

08/15/2018

Micrometer Features Integrated Wireless Data Transmission

PROVIDENCE, RI – Mahr Inc. announced a new family of Micromar 40EWRi-L digital micrometers with high-speed measuring spindle positioning. The digital micrometers, with the latest MarConnect interface, allow measurements that are 10 times faster than a standard micrometer, saving the operator time when numerous

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Date:

08/07/2018

Fast, Cheap, and Colorful 3D Printing

This brightly colored dragon was produced by 3D printing, using gold nanorods as photosensitizers.

Fast, Cheap, and Colorful 3D Printing

People are exploring the use of 3D printing for wide-ranging applications, including manufacturing, medical devices, fashion and even food. But one of the most efficient forms of 3D printing suffers from a major drawback: It can only print objects that are gray or black in color. Now, researchers have tweaked th

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Date:

08/02/2018

High-voltage analog input module added to OpreX lineup

High-voltage analog input module added to OpreX lineup

Yokogawa Electric Corporation has announced the development of the GX90XA-10-V1 high-voltage analog input module. The new product will be released on July 9th as part of the OpreXTM Data Acquisition family of data collection and control solutions. The GX90XA-10-V1 module enables Yokogawa recorders and data

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Date:

08/02/2018

New CMOS op-amp delivers class-leading low-noise

New CMOS op-amp delivers class-leading low-noise

ROHM today announced the availability of a CMOS op-amp featuring the lowest noise in the industry optimized for industrial applications requiring high-accuracy sensing, such as accelerometers used in sonar systems, and optical sensors that handle ultra-small signals. In recent years, in addition to IoT devic

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Date:

08/02/2018

TTI, Inc. Acquires Compona AG of Switzerland

TTI, Inc. Acquires Compona AG of Switzerland

TTI, Inc announced the acquisition of privately held Compona AG of Switzerland and the company’s German subsidiary Cosy Electronics GmbH. Both Compona and Cosy are specialty distributors of interconnect products and provide services such as in-house assembly of specific connector ranges and full support on cu

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Date:

08/02/2018

Industrial Magnetometer and eCompass for Precision Motion Sensing

Industrial Magnetometer and eCompass for Precision Motion Sensing

Geneva -- With industrial-grade longevity that assures availability for 10 years, the STMicroelectronics IIS2MDC magnetometer and ISM303DAC eCompass enable both reliable, low-power tamper detection for smart meters and precision motion and distance sensing in applications from industrial automation and robotics to sma

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Date:

08/01/2018

Simplifying Complex Measurements With a Source Measure Unit

Figure 1. The use of one SMU channel on the input terminal and another on the output terminal replaces several instruments.

Simplifying Complex Measurements With a Source Measure Unit

Tom Ohlsen, Tektronix

In today’s fast paced world of electronics design, complexity represents evil and must be avoided at all cost while simplicity represents all that is right and good. Ok, maybe it’s not quite that extreme, but when it comes to test and measurement, simplicity is the engineer’s best friend because it saves ti

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Date:

08/01/2018

One Giant Leap for the Power Industry

One Giant Leap for the Power Industry

Ally Winning, European Editor, PSD

Welcome to the July/August edition of Power Systems Design. Traditionally, things quieten down a bit over the summer period and we get a chance to take some well deserved rest and relaxation. This year that rest is even more welcome as things seemed to increase in intensity as the year went on. Things came to a

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Date:

08/01/2018

Board-to-Board Connector Delivers High Transmission Speeds

Board-to-Board Connector Delivers High Transmission Speeds

DOWNERS GROVE, ILLINOIS -- Hirose has developed a miniature board-to-board connector that combines a rugged design with high-speed transmission speeds of more than 10Gpbs to support a number of industrial applications. Featuring a pitch of only 0.8mm pitch, the ER8 Series contacts are optimized for signal integrity

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Date:

08/01/2018

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