White Papers

Multiphysics Modeling of MEMS Devices

There are many excellent reasons to simulate microelectromechanical system (MEMS) devices. For example, if you're going to create a new product or process, such as a capacitive pressure sensor, you'll first want to get the concepts right. The most important decisions are often made early in the product development cycle when multiphysics simulation can give you the valuable insight you need. The benefits of multiphysics simulation can also extend easily to the design and optimization of a product by reducing the time and money spent on prototypes. And, if you integrate multiphysics simulation with manufacturing and quality assurance, you'll end up with a product that's much better understood and better characterized.

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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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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.

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Avionics Reliability – Thermal Design Considerations

Thermal design for reliability faces challenges from power dissipation demands from increased processing, sensing and communication requirements plus targets for size, weight and operation. Address thermal challenges effectively with electronics cooling simulation that brings electronic and mechanical design flows closer.

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Improving Fidelity of Noise Repetitive Signals with Signal Averaging Technology

For many high-speed data acquisition applications requiring extraction of small repetitive signals from noisy environments, such as LIDAR or optical fiber testing, minimizing the effects of noise is a challenge for system design. Signal averaging provides dependable and efficient results. The article illustrates how FPGA-based signal averaging technology processes signals and reduces noise effects, improving signal-to-noise ratio (SNR) without occupying valuable CPU bandwidth.

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Linear Guides For The Next Generation Of Medical Machines

At IKO, we offer an extensive line of miniature linear motion products that can meet the requirements of size-constrained medical applications. Among them are the world’s smallest recirculating ball linear guide, which has a track rail width of just 1-mm and a cross sectional height of 2.5-mm. We also offer a tiny ball-spline guide which has a shaft diameter of 2-mm and a cylinder diameter of 6-mm.

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