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M17-Project / Module_17

M17 modem board for 9600-baud capable radios
CERN Open Hardware Licence Version 2 - Weakly Reciprocal
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Change OpAmp supply to 5V #5

Closed mathisschmieder closed 1 year ago

mathisschmieder commented 2 years ago

MCP602 (and others, probably) limit the common mode input voltage to Vsupply - 1.2V. We need clippy-free operation up to 3.3V to utilize all them bits, so we should supply the OpAmps with 5V.

sp5wwp commented 1 year ago

Can this be closed?

mathisschmieder commented 1 year ago

VAA was tied to 5V in 0.1d+