This circuit uses an 18 MHz crystal to generate 36 MHz signals. We found it in an 80's documentation. The circuit has an input for frequency modulation.
This simple 1 transistor circuit was found in an American documentation from the 60's. The...
This solid-state relay circuit (SSR) or shield is from a 1995 Electronics Now. With it we can...
This circuit was published in an article in Electronics Now magazine in October 1995. The circuit...