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Kenneth Wyatt provides practical advice on designing the power input filter using the EMZER EMScope to display the differential mode and common mode noise currents in addition to the conducted emissions. 

Reduction of microstrip FEXT plays an important role in microwave engineering, as microstrip coupled line backward couplers suffer from poor directivity when not compensated. In this article, Henning Mextorf presents a general approach to improve directivity which does not require a modification of the dimensions of the coupled line structure and provides closed form solutions for optimum capacitor values.

In this article covering next-generation USB technology, Keysight reviews IP/PHY development kits, simulation solutions, and T&M solutions that serve as the foundation for silicon and system integrators to design compliant USB4 Version 2.0 products that meet strict interoperability requirements in the vast Type-C ecosystem.

PCB connector suppliers are often tasked with providing connectors that meet today’s high-speed and high-density requirements. In many cases, these connectors also need to maintain signal integrity under harsh conditions. Such models make it possible to simulate how the connector will interface and perform in its surrounding environment. IEH has partnered with Modelithics to offer 3D geometry models for various IEH hyperboloid connector products.

In this article, Bert Simonovich explores how to avoid “garbage in, garbage out” with field solvers by building an understanding of the nuances of PCB fabrication processes, the interpretation manufacturers’ data sheets, and the tool’s user interface.

Eric Bogatin takes a closer look at the potential consequences of the widening gap between industry demand and the supply of engineers with signal integrity design skills, and poses potential solutions to inspire future generations of signal integrity engineers.

In this article, Donald Telian supplies a reference point for making the task of implementing via impedances, thus removing via impedance discontinuities, less daunting. Read on to find out how he can help.

In part three of the Ultra-Fine Line Design Guide series, previously introduced methodology is used to explore the design space for a differential pair when the return plane is far enough away that coupling to it is negligible. Read on.