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]

PCB Problem Solving – PCB 102

This course will address advanced problem solving of printed wiring board defects. Some defects, such as interconnect separation, delamination, wedge voids, plating folds, micro-voids, surface... [more]

Manufacturing by Design is the New DfM

Today’s SMT and PTH assembly processes are driven by component packaging technology and functional design requirements. These requirements are driving manufacturing/test toward “build right” and... [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]