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Hitex

Automated Mutation Testing of Embedded Software: How good are your test cases?

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Mutation testing checks the quality of your test cases. Automated mutation testing is the most important new functionality in the new main version V4.3 of TESSY, the tool for automated unit / module and integration testing of embedded software. What is the purpose of such code mutations and how does mutation testing...

Published: Mar 02, 2021
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AMS AG

Designing a Feedback ANC headset

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Feed-forward headsets typically are more easily developed because the design engineer usually does not have to deal with stability issues. A major drawback of this topology, however, is wind noise, since the ANC microphones are directly exposed to the ambient. An alternative that overcomes this drawback is the use of a...

Published: Nov 01, 2018
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National Instruments

Automotive Research User Handbook

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Within the next 10 years, we will see remarkable change in the automotive industry. From improved engine efficiency to autonomous vehicles to electrification, innovation will begin in academic institutions around the world. NI solutions integrate hardware and software to help automotive scientists and engineers take...

Published: No Date
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National Instruments

Advanced Driver Assistance Systems - Test Solutions

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As advanced driver assistance systems (ADAS) introduce new technology into vehicles, they need adaptable, futureproof test systems. NI offers a single, software-defined platform approach to automotive test that can natively integrate all the I/O types you need to test today’s and tomorrow’s ADAS technology....

Published: Jun 05, 2019
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Bourns Inc

Designing Cost-Effective, Low Power Galvanic Isolation Solutions for Power Supplies

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Standard industrial interfaces such as RS-485 and RS-232 are commonly used for unidirectional and bidirectional data transfer in a range of applications that encompass everything from medical monitoring to test and measurement equipment. This paper presents the reasons for galvanic isolation in board designs that...

Published: Jul 23, 2018
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AMS AG

Challenges in True Wireless Audio Systems

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The audio market for wireless Bluetooth headsets is growing rapidly. People have gotten used to wireless audio systems, and the mobile phone industry is pushing towards a world without audio connectors and cables. Most of the average users who think about Bluetooth audio picture clumsy over-ear headsets with very little...

Published: Nov 01, 2018
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Rohde & Schwarz

Power supply control loop response measurements (Bode plot)

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To ensure the stability of voltage regulators and switchedmode power supplies, the control loop behavior must be measured and characterized. A well compensating voltage controller enables stable output voltages and reduces the influence of load changes and supply voltage variations. The quality of this control circuit...

Published: Jun 04, 2020
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Rohde & Schwarz

Designing for EMI testing (step-by-step guide): Improve your time to market with oscilloscopes

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Today, R&D engineers face challenging time-to-market goals. Extending the product development schedule and delaying the product launch can prove to be extremely costly in terms of opportunity cost and lost market share. Nearly 50% of products fail EMC compliance the first time. Every day spent on debugging, isolating...

Published: Jun 04, 2020
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National Instruments

Selecting an Approach to Build Flexible, Cost-Effective ECU Production Test Systems

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ECUs became a standard component in most vehicles. As a computer designed to solve a very specific problem, the ECU is a fundamental component in an automobile. Modern vehicles can contain over 100 ECUs with many different purposes. This white paper explores different approaches to test automotive electronic control...

Published: Feb 19, 2020
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National Instruments

Fundamentals of Building a Test System

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Most organizations do not consider production test a top priority, but it is a necessity to prevent major quality issues in the products that represent the company brand in the hands of customers.The costs, however, can be significant and are often greatly misunderstood, especially when there’s no...

Published: Feb 19, 2020
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Rohde & Schwarz

EMC Test Solutions on The Cutting Edge

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Upcoming technologies such as 5G for wireless communications and the increasing amount of integrated electronic systems in modern vehicles require new solutions for EMC testing. In addition, manufacturers are looking for time saving test routines and intuitive test software that enable fast precompliance and compliance...

Published: Sep 23, 2020
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3M

Evolution of Weatherproofing Solutions for the Cell Site

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Weatherproofing options for coaxial connections at cell sites have changed and expanded along with the cell sites themselves. Today’s more complex cell site designs demand a new type of weatherproofing solution to protect vulnerable connection points at the antenna and the remote radio unit (RRU). This paper...

Published: Jul 26, 2018
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National Instruments

Engineer’s Guide to 5G Semiconductor Test

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This Whitpaper paper focuses on the new challenges of testing semiconductor devices for wideband 5G applications.The enhanced mobile broadband (eMBB) use case points to supporting greater user data rates and increased system capacity. Departing from legacy 3G and 4G cellular standards, ...

Published: Nov 04, 2019
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Rohde & Schwarz

Practical Tips For Accurate Bode Plot Measurements

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To investigate the stability of a switched-mode power supply, a Bode plot created with an oscilloscope is ideal for checking the critical phase margin and gain margin values. The factors that determine how satisfactory the results from Bode plot measurements will be, need to taken into consideration as part of the preparation....

Published: Jun 04, 2020
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