Does a Differential Pair Need a Return Plane?

A differential pair is any two transmission lines. When each transmission line has a return plane, its pretty clear how the differential impedance is related to the geometry. But what if there is no... [more]

Designing and Analyzing High Frequency Interconnects

High frequency PCB designs carry a unique set of challenges due to concentration of signal power in a narrow bandwidth. To design high frequency interconnects, designers must consider an entire... [more]

Best DFM Practices for Board Engineers

There is more to board design than placing parts and connecting the signals electrically. Those who design the board can make a huge impact on the ease of fabrication and assembly just by adhering... [more]

How to Fight Magnetic Noise Gremlins

Have you ever had a noise-sensitive circuit and tried to find the noise source? Even after you completely encased sensitive portions in all sorts of shielding, you still had noise? It’s very... [more]