A new power supply for the Sprague 600A Interference Locator
Many years ago, I was blessed to get a Sprague 600A Interference Locator from the estate of my Elmer, WB9KHR. As an EMI Engineer, this was just COOL. It was…
Revisiting the cable modem spectrum analyzer
I actually hit the front page of hackaday writing about this one, and I’m still being honest that this was NOT my discovery, I just made a few observations about…
EMI – some basics…
I’ve been an electromagnetic interference (EMI) engineer for… well… a bunch of years at this point. As such, I’ve learned a lot about how to tackle problems, and how to…
Mobile Install 3.0… Ground versus return…
So…. this is as good a place as any to discuss this concept. In many professional applications, the power harness for the radio has a long positive lead that is…