Ever heard of a power JFET? I hadn't (at least by that name) until I ran across The Power JFET Amplifier, a simple low-power DIY power amp project based around a single power JFET device. As it turns ...

There are great presents, and then there are truly awesome presents: this home-built vacuum tube iPod amplifier and speakers falls most definitely into the latter category. Given to Peter Redmer by ...

When building a radio transmitter, unless it’s a very small one indeed, there’s a need for an amplifier before the antenna. This is usually referred to as the power amplifier, or PA. How big your PA ...