sandman
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hi Raja,
Thanks for your inputs. I will need to dig into the LDO references but I remember several papers on this. I will have to come back to you on this.
I am in fact not using this for my LDO, but rather as an input stage for a current mirror operating from DC to several 100's of MHz. I use the low impedance of the super-source follower as the input, so in effect, I am trying to calculate the noise performance referred back to the Base, as a voltage noise source (in series with the Base of the main transistor)! The schematic is exactly as in the link I mentioned above.
Do you think you could share your derivations here? That would be interesting.
cheers,
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