[Debraj] needed a simple signal generator for a project he was working on, but didn’t have one handy. He found that the easiest and cheapest way to get clean, reliable signaling was by using something ...

A very simple thyristor signal generator circuit which uses a single thyristor, two resistors, a capacitor and a mini-loudspeaker. Once the circuit is switched ti a current source, current flows ...

How to create a wide range of complex signals using simple, cheap microcontrollers. A simple process for generating complex signals utilizing standard software tools. Often during product development, ...

This simple circuit generates narrow pulses at about 700-800Hz frequency. The pulses, containing harmonics up to the MHz region, can be injected into audio or radio-frequency stages of amplifiers, ...

Here is a circuit that will allow you to trigger your oscilloscope on specific lines in a video signal. This is a feature found in either very specialized or very expensive scopes and is a must for ...