An SI (signal interface) module from Microstar Laboratories lets you monitor signals from up to eight 4–20-mA current loops. Each channel of the MSXB 081 employs a 16-bit ADC to allow simultaneous ...

Editor’s note: This month we are pleased to have Colin Wells from Texas Instruments as our blogger. In modern industrial control systems, 4-20 mA current-loop transmitters remain one of the most ...

Here’s a question for you: when your PCB has a ground plane layer, where do return signals flow? It seems like a trick question, but as [Kristof Mulier] explains, there’s more to return path routing ...