Month October 2023
So, you want and oscillator? Something that makes piercing, high-frequency tones to annoy your neighbors? Have I got a circuit for you! Ok, lets break this down. We have a NOT gate, feeding back into itself, with a capacitor and… Continue Reading →
Audio feedback (also known as acoustic feedback, simply as feedback) is a positive feedback situation that may occur when an acoustic path exists between an audio input (for example, a microphone or guitar pickup) and an audio output (for example,… Continue Reading →
A strange name, with a simple premise. A ‘normal’ microphone captures changes in pressure in the air. What if we used a device that captures changes in electromagnetic fields? This may sound complicated, but its quite simple. In fact, this… Continue Reading →
Victorian Synthesizer: a term that brings to mind all manner of glowing tubes, Bakelite knobs and brass casing. In reality, nothing quite so visually impressive. The Victorian synthesizer (invented by John Bowers) is quite a simple phenomenon at heart; a… Continue Reading →