Why I Still Love Using the HP 8640B Signal Generator
I recently spent a whole afternoon tinkering with an old hp 8640b, and it reminded me why these machines are so legendary among RF hobbyists and engineers alike. Even though we live in an era of tiny, digital, USB-powered signal generators that can fit in a shirt pocket, there is something incredibly satisfying about firing up this massive "boat anchor." It's not just about nostalgia; there are some very practical reasons why this 50-year-old piece of test equipment still occupies a prime spot on many workbenches. ...