
The Karplus Strong Modular Synthesizer board has the following subcircuits combined together to create an analog circuit version of the algorithm:
Subcircuits
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-VCO with Expo Converter
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-VCF with Expo Converter
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-Jan’s Level Shifter
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-Summing Amp
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-Bucket Brigade Device
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-Output Amplifier
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-5 Volt Regulator