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Uploaded by Limhes on Jun 24, 2007
My first theremin! Tonie's birthday present. Sounds like ***, but is still in production! Two oscillators using OPA134, automatic gain control w/ OPA2132, mixer MPY634, low pass filter uA741.
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Why do you need automatic gain control?
madamerotten 3 years ago
guess i just added it to have constant amplitude (for the oscillators), so i knew what to deal with...
Limhes 3 years ago
I am thinking that you're using relaxation oscillators instead of L-C types.
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Why do you need automatic gain control?
madamerotten 3 years ago
guess i just added it to have constant amplitude (for the oscillators), so i knew what to deal with...
Limhes 3 years ago