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white noise generator:
https://www.electro-tech-online.com/threads/white-pink-noise-generator-on-a-9v-supply.105819/
im a cheeky b@st@rd. ;-)
if you have any lm386's (which are audio amps and not really op-amps) you can do a whole mess of things.
Square wave generators. Oscillators. ipod speaker amp. etc.
Check out the datasheet of the lm386 for some simple ideas.
Try the datasheet for a 741.
Or check out "ic op-amp cookbook" by Walter G. Jung.
TONS OF IDEAS AND APPLICATIONS!!!
What is white noise?
White noise is random noise that has a uniform power spectrum over frequency, rather like white light (limited, of course, by the bandwidth of the system). If you look at it with a spectrum analyzer, it will give the same output at all frequencies within the bandwidth (flat line).What is white noise?
but learning about it isn't. ;-)
Not really... After you learn, you get jailed. Then you can't learn anymore...