FL2K replace MT34TL/AS11D buck chip with LDO

Sylvain Munaut 246tnt at gmail.com
Fri Feb 8 06:59:25 UTC 2019


Hi,

> Has anyone tried replacing the MT34TL/AS11D buck converter/supply
> chip with a LDO regulator as Steve Markgraf suggested - my goal is to
> remove the harmonics, for HF tx.

Remove the harmonics ? The fl2k will always have harmonics, that's
just the way it is. Only way to get rid of theses is to post-filter.
What a clean supply does is remove the spurs.

Cheers,

    Sylvain


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