v1.1 : Simple DC offset fix

echolevel / open-amiga-sampler

Open source schematics, parts lists and documentation for building generic mono Amiga sampler cartridges

MIT License

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Open gwEm303 opened 2 years ago

gwEm303 commented 2 years ago

The circuit as I built it had a noticeable DC offset.

This can be addressed by substituting the 1K resistors R5 and R6 for 100K in the same positions. This reduces bias current through the op-amp.

BOM 2 of 100K resistor