High Voltage Circuit Boards

High Voltage Circuit Boards

Several years ago, Sierra Circuits published a guide toward the design and manufacture of high voltage circuit boards, with potentials up to 40,000 V.  Considering Creepage and Clearance Much of the advice in that brief regards a narrow project category, and I have an...
How To Master HDI PCB Design

How To Master HDI PCB Design

High-density interconnect represents the cutting edge of the printed circuit board industry today, due to demand for more compact PCBs and stronger signal integrity discipline.But do you master HDI PCB design like you should? Previous entries in the Becoming a PCB...
How TDR Impedance Measurements Work

How TDR Impedance Measurements Work

A Few Notes about TDR I called Ken Taylor, the president of U.S. operations for Polar Instruments, regarding a question from a customer about a time-domain reflectometer my fab uses for impedance tests. Not only was the conversation very helpful, but almost...
May You Survive HDI PCB

May You Survive HDI PCB

HDI PCB manufacturing pushes boundaries with its fine lines and spaces. Add blind, buried and micro vias to the design and things can quickly go wrong. Here are some tips you will need to succeed in HDI. Hi PCB designers, today we are going to talk about HDI. In the...