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Headshot of Matthew Harms

Matthew Harms

Electrical Engineer
EMA Design Automation

Headshot of Amit Bahl

Amit Bahl

Director of Sales & Marketing
Sierra Circuits


As PCBs become more complex to keep up with today’s technology needs, designers must consider the role of critical nets and traces in order to obtain optimal signal performance of their design. A major contributor to ensuring your design is successful, is whether or not your impedance requirements are being met. This is no easy task as there are multiple design aspects that can affect your impedance, such as physical dimensions of your PCB, the chosen dielectric materials, board stack-up, and the trace and space widths as well as matching trace lengths.

In this webinar, the design and DFM experts at EMA and Sierra Circuits will help you understand how to set up your design to meet your desired controlled impedance requirements while ensuring high yield and first pass success in manufacturing.


What you will learn:

  • What steps are taken to achieve an accurate controlled impedance design, such as material selection and stack-up design
  • How to ensure your stack-up is fabricated correctly the first time by communicating all the specific requirements to your manufacturer
  • Common causes of impedance discontinuities at the manufacturing stage and how to prevent them
  • How to define your impedance requirements in your CAD tool for real-time checking
  • How to evaluate for impedance discontinuities across your entire board before sending to your manufacturer



Amit has been in the PCB industry for 20 years. He is the Director of Sales and Marketing at Sierra Circuits. His passion is to empower tech companies to achieve their visions and change the world. Rockets going into space, self-driving cars taking up the streets, cancer-fighting medical devices, protecting the country, he’s ready to build any circuit board!



Matthew Harms is an Electrical Engineer from Canada and has been with EMA as an Application Engineer since 2003 and as the Application Engineer Team Leader since 2018. At EMA, he specializes in design side issues pertaining to part management, circuit simulation, signal integrity and power integrity but is conversant in all facets of ECAD design.

Watch the Trailer
Screenshot from Steps to Get Your Controlled Impedance Right the First Time



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