General > General Technical Chat

What's the minimum (physics first) to get an oscillator?

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jonpaul:
Simple answer:
Loop gain > 1

Works for any osc, mechanical, electric, electronic.



Jon

SiliconWizard:
Everything is an oscillator.

The Electrician:
There was a lady on the Coast to Coast radio show: https://en.wikipedia.org/wiki/Coast_to_Coast_AM

the other night who informed the listeners that everything in the universe has a frequency.  There must be a lot of oscillators keeping it all going.

AndyBeez:
Is white noise oscillation?

TimFox:
No, it is "variation".
Inherent in the term "oscillation", starting with the physics of harmonic oscillators and the engineering of feedback oscillators is that the action be periodic.

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