Measuring PCB, Cable and Interconnect Impedance, Dielectric Constant, Velocity Factor, and Lengths

February 25, 2019| Steve Sandler| 0 Comment

Controlled impedance PCBs often include a measurement “coupon”, which typically includes sample traces, 6 inches long and constructed as part of the printed circuit board panel. They are measured to

Rick Hartley talks about signal integrity.

Rick Hartley – The State of Signal Integrity

November 8, 2018| Lucy Iantosca| 0 Comment

We met with Rick Hartley during PCB West 2018 to discuss signal integrity, controlled impedance and other PCB designers’ pain points. What can you do to improve your designs? Listen

Geoffrey Hazelett talks about impedance and Polar Instruments tools

Geoffrey Hazelett – Impedance and Polar Instruments Tools

October 29, 2018| Lucy Iantosca| 0 Comment

During PCB West, we met with Geoffrey Hazelett to discuss one of the most important PCB topics: impedance. Vice President Sales at Polar Instruments, he also explained the importance of

How Impedance Discontinuities Affect Signal Integrity

June 25, 2018| Atar Mittal| 2 Comments

A transmission line should have a uniform characteristic impedance. Any variation or discontinuities to the impedance causes signal reflection and distortion.

How to Analyze a PCB Transmission Line?

March 27, 2018| Atar Mittal| 0 Comment

After establishing what a PCB transmission line is and talking about signal speed and propagation delay, and the critical length, the controlled impedance, and the rise/fall time of a PCB transmission

PCB Transmission Line: Critical Length, Controlled Impedance and Rise/Fall Time

March 21, 2018| Atar Mittal| 0 Comment

After explaining the importance of the signal speed and propagation delay in a PCB transmission line, we are now going to talk about the transmission line effects, the critical length,