IoT connectivity is a hot topic, but it’s not a new idea, except for the “Internet” aspect. Industrial and some commercial applications have been connecting all sorts of sensors and transducers to ...

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 ...

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 ...