Reverse Engineering PCBs: How to Recreate a Lost Design

Maintaining a product is very difficult when: The source files aren’t available Only Gerber files and maintenance documents are available Making a revision to a company-owned product with no... [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]

Mechanical Design to Control EMI

As most engineers and designers are aware, EMI occurs because some mechanical structure, within or attached to our system, is capable of resonating and radiating electromagnetic field energy. Those... [more]

PC Board Grounding to Control Noise, EMI and Signal Integrity

When time-varying (AC) signals travel in the transmission lines of a board, state-changing electric and magnetic fields are present. These fields, when not controlled, are the source of noise and... [more]