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Recruit Or Retain Report

In our recent Perfect Fit Survey, Aerotek found that the majority of hiring managers are happy with their last hire and many remain optimistic about finding the right candidate. However, results published in the January 2013 issue of The Quarterly Journal of Economics showed the average time to fill a position rose to 23 days in December 2012 compared to a low of 15.4 days in July 2009. The rhetoric of a historic skills gap has painted a negative picture of job seekers, but is there more to the story?

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Overcome Challenges of Your Highly Constrained PCB Designs

Layout constraints are an essential part of a PCB design. As the technology in modern electronic devices has become more complex (e.g. increasing speed, decreasing rise time and supply voltage values), signal integrity issues have become a primary concern. For many designs, this means a large percentage of nets require PCB layout constraints to meet signal integrity requirements. This brings two major challenges: creating a proper set of layout constraints for your design and applying those constraints during the PCB layout design process. This paper shows how to address the challenges of highly constrained designs.

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Removing the Gap Between ECAD and MCAD Design

For ECAD and MCAD to collaborate in “real-time” a direct method of communication that facilitates a shared flow of data back and forth between design teams is required. This flow must support “what-if” scenarios of design baselines and change proposals along with the ability to counter-propose changes. Once design agreements are made, the flow must also dynamically update the design databases. This unique ECAD-MCAD (EDMD) collaborative environment has not been available until now. This desktop PCB design provides a real-time integrated ECAD-MCAD collaboration environment that enables Electrical and Mechanical design teams to work together throughout the entire design process.

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Developing Smart and Affordable Intelligence, Surveillance and Reconnaissance Technologies: Five Trends to Watch

The demand for intelligence, surveillance and reconnaissance (ISR) technology and infrastructure is growing significantly. For example, in the 10 years from 2002 to 2011, U.S. Defense spending on ISR grew by a factor of six, compared with relatively flat defense spending overall [House Permanent Select Committee on Intelligence, 2012]. Similar patterns of spending can be seen around the globe. Simulation-based engineering has long played a role in advancing ISR technology development — from unmanned systems to antennas to systems and embedded software. The value proposition has long been proven.

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Synthetic Sapphire: Extreme Performer

Sapphire, the single crystal form of alumina (Al2O3), was first synthesized more than a century ago, but the most exciting advances associated with this versatile material are taking place today. Shaped by the dual forces of application demands and technological advances in the fabrication and finishing process, synthetic sapphire is often the material of choice for design engineers dealing with extreme conditions of high temperature, high pressure and harsh chemical environments.

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The Basics Of Pressure Regulators

Pressure regulators are found in many common home and industrial applications. For example, pressure regulators are used in gas grills to regulate propane pressure, in home furnaces to regulate natural gas, in medical/dental equipment regulate oxygen and anesthesia gases, in pneumatic automation systems to regulate compressed air, in engines to regulate fuel pressure, and in fuel cells to regulate hydrogen. Although the applications vary considerably, the pressure regulators provide the same function. Pressure regulators reduce a supply pressure to a lower outlet pressure and they maintain this outlet pressure regardless of inlet pressure fluctuations. This reduction in pressure is the key characteristic of pressure regulators; outlet pressure is always at a pressure below the inlet pressure.

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Performance Characteristics of Digital Frequency Discriminators

Digital frequency discriminators are key components of instantaneous frequency measurement (IFM) receiver systems as well as many other complex electronic warfare (EW) systems. However, to obtain optimum results it is essential to match DFD performance levels to a specific application. DFDs are integral components of IFM receiver systems; they may also be imbedded into a wide range of military systems such as radar warning receivers (RWRs), electronic countermeasures (ECM) systems, and electronic support measures (ESM) platforms, where they help provide instantaneous frequency measurement capability.

Posted in: Electronics & Computers, White Papers, White Papers

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