Yes, the very low frequency noise of these regulators isn't anywhere near as
impressive as their high frequency noise.However for some RF circuits the low
frequency power supply noise may not be as significant as other effects.
Bruce
On Thursday, 8 December 2016 2:59 PM, Gerhard Hoffmann <[email protected]>
wrote:
Am 08.12.2016 um 01:20 schrieb Scott Stobbe:
> Yes, the short hand I like to use is 4 nV*sqrt(R/1000).
>
> 2 nV/rthz off a bandgap is pretty darn impressive, that includes a delta
> vbe gained up ~10x.
>
Methinks the advantage comes from converting their reference (whatever
that may be)
to a really high impedance current source where a few uF help
tremendously in cleaning things up.
regards, Gerhard
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