Audio Synthesis Ep001: Super-Simple Noise Source
Channel: Kludges from Kevin's Cave
Date: 2024-04-05

A super-simple white noise generator.

00:00 Intro
00:30 A Zener diode generates noise
00:59 A transistor B-E junction is a noisy Zener diode
02:12 Output buffering
04:34 Testing the circuit
06:08 Viewing the output on an oscilloscope
07:04 Evaluating the results
08:32 Outro


Schematic and calculation script available: https://github.com/kennykb/kevins-cave-kludges/blob/main/Synth/Ep001_noise_generator/README.md


Credits:

"Splortch!"  OpenClipArt user 'dominiquechappard'
https://openclipart.org/detail/133501/sprlotch-in-color
Creative Commons Zero 1.0 License

"Pacific Morning" © 2010 by Paul Bica
https://www.flickr.com/photos/dexxus/4714207610
Creative Commons Attribution 2.0

2N4401 datasheet courtesy of ON Semiconductor