[time-nuts] Totally unrelated, but..

Bob Camp kb8tq at n1k.org
Wed Dec 7 23:49:11 EST 2016


> On Dec 7, 2016, at 11:36 PM, jimlux <jimlux at earthlink.net> wrote:
> On 12/7/16 4:20 PM, Scott Stobbe wrote:
>> 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.
>> On Wed, Dec 7, 2016 at 7:03 PM Bob Camp <kb8tq at n1k.org> wrote:
>>> H
> the cool thing about those parts is that their PSRR extends up to several MHz.  A lot of LDOs have good PSRR to kHz.

Which to bring it back to noise in radios ….. could be the issue there. The device isn’t oscillating, it’s just not blocking
the crud from upstream.


> Someone at LT did a good job on that design.
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