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its needed to boost for normal usage all outputs. (check the haible schematics - wiring guide, the original design is with a switch to choose SAW or pulse, if you want separate outputs you need a addional OPamp)
i left 4 pcbs, feel free to ask me if you want one for 7€ (material costs)thats what i build..
BOM:
you need 1x MOTM header and 4x MTA 100 - 4pin (for power wiring if needed)
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PCB Photo
reference designators
i left 4 pcbs, feel free to ask me if you want one for 7€ (material costs)