Bump...
Seems this thread has been inactive for some time, but I stumbled across it, and it has piqued my interest.
@Fenris, @agdr, if you are around I'd appreciate any comments on the schematic. Others too.
Seems this thread has been inactive for some time, but I stumbled across it, and it has piqued my interest.
@Fenris, @agdr, if you are around I'd appreciate any comments on the schematic. Others too.
I don't think that will work. Your gain stage has what looks like two 2540s configured as constant current sources one on the source and one on the drain. Change Q5 to a resistor or LED string, something with LOW dynamic resistance rather than the very high impedance of a CCS.
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