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Beyond Design: Microstrip Coplanar Waveguides
The classic coplanar waveguide (CPW) is formed by a microstrip conductor strip separated from a pair of ground planes pours, all on the same layer, affixed to a dielectric medium. In the ideal case, the thickness of the dielectric is infinite. But in practice, it is thick enough so that electromagnetic fields die out before they get out of the substrate. CPWs have been used for many years in RF and microwave design as they reduce radiation loss, at extremely high frequencies, compared to traditional microstrip. And now, as edge rates continue to rise, they are coming back into vogue. This month, I will look at how conformal field theory can be used to model the electromagnetic effects of microstrip coplanar waveguides.
















  

Let's Talk Testing: You’re in for a (Thermal) Shock!
Printed circuit board history stretches back to the early 1900s, with real promise shown in the industry after World War II. Through the 1940s, 1950s, and 1960s, PCB construction really started to progress when fiberboard and wood were replaced with resins and laminates, and rivets replaced early plated through-holes.

Whitepaper: Secrets to First Pass Rigid Flex Success - Flexible PCBs(flex/rigid-flex) make it possible to create a variety of products that require small form factors and light weight, such as wearable, mobile, military, and medical devices. As flexible PCB fabrication technology has matured in response to demands for smaller, lighter products, new design challenges have emerged. This paper discusses some of the key challenges to address and also introduces a new PCB design approach that enhances productivity through in-design inter-layer checks required to ensure correct-by-construction design. Download Whitepaper Now.

 

Standard of Excellence: The Advantages of Flex and Rigid-Flex Circuits
Since their introduction, flexible and rigid-flex circuits have been steadily moving from the fringe of electronic interconnection towards its center. Today, flex and rigid-flex circuits are found in countless products from the very simple to the highly complex. The reasons for this shift to the center are numerous; most of them are related to the advantages they offer. An examination of some of the benefits and advantages will make this clear.

  


TTM Shines a Light on Optical Interconnect
Are embedded optics on PCBs set to make a breakthrough in the upcoming years? According to Dr. Craig Davidson, VP of Corporate Technology at TTM, it might be closer than you’d expect. In a recent interview with the I-Connect007 team, Craig outlines TTM’s current pursuit of high-volume manufacturing lines able to deliver embedded optical interconnect, what that would mean for the PCB industry, and why he thinks there will be manufacturing production capability by 2020.

 

Design News & Additional Information


EMA Introduces E-Learning and OrCAD Certification
EMA Design Automation has just released a new E-Learning training platform and an OrCAD certification program to help OrCAD users improve their proficiency with the toolset and earn a certification to demonstrate their level of knowledge.


Full Video Coverage of NEPCON China 2017 Now Available
If you didn't make it to NEPCON China 2017, don't despair. I-Connect007 brings you complete video coverage of this annual event. Check out our Real Time With...NEPCON China video interviews with the biggest names in the industry.


Mentor Graphics’ HyperLynx Webinar: Making Analysis More Accessible
From analysis novices to guru-level experts, Mentor Graphics’ HyperLynx has something for everyone to ensure that PCB designs are free from problems with signal integrity, power integrity, and radiated emissions. The presenter is Patrick Carrier, a technical marketing engineer specializing in analysis products, including signal and power integrity, EMC, and thermal design.


IMPACT Washington 2017 Just Around the Corner
IPC's Government Relations team has worked around-the-clock to ensure that IMPACT Washington D.C. 2017 is the best yet. During this two-and-a-half day event, executives from IPC-member companies will have the opportunity to speak with leaders in Congress and the Administration in support of our common priorities.

For all the latest Printed Circuit Board Design news and information, go to PCBDesign007 right now!




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