You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The idea was to have an oscillator and measure the grid current as it coupled ...

Before Tesla devised beautifully simple rotary machinery, he explored other methods of generating alternating current. One of those was the mechanical oscillator, and [Integza] had a go at replicating ...

Oscillator is an electronic circuit that makes a repetitive electronic signal, frequently a sine wave or a square wave. It is essential in many different types of electronic equipment. Like a quartz ...