If you enjoy building radio projects you may have noticed something slightly worrying over the last few years in your component supply. Variable capacitors are no longer as plentiful as they used to ...

At the NAB Show, several consulting engineers shared with me their concerns about reliable sources of replacement mica transmitting capacitors. This prompted me to check on the always reliable ...

The author writes occasionally here about restoring vintage electronics. Vintage equipment relies on many components to run properly. Let’s focus today on what capacitors do in this process. A ...