In message: <[EMAIL PROTECTED]>
"jmfranke" <[EMAIL PROTECTED]> writes:
: It is read V divided by the square root of Hertz.
Doh! rt == root. I feel silly now.
warner
: John
: ----- Original Message -----
: From: "M. Warner Losh" <[EMAIL PROTECTED]>
: To: <[email protected]>; <[EMAIL PROTECTED]>
: Sent: Thursday, October 26, 2006 1:57 PM
: Subject: Re: [time-nuts] Comparison of Logic Standards for Clock
: Distribution
:
:
: > In message: <[EMAIL PROTECTED]>
: > Dr Bruce Griffiths <[EMAIL PROTECTED]> writes:
: > : But the input voltage noise of the MAX477 is 5nV/rtHz, the corresponding
: > : value for a discrete transistor circuit may be as low as 1nV/rtHz.
: >
: > rtHz is a new one for me (I'm mostly a software dude). A quick google
: > search shows that this appears in lots of spec sheets as a measure of
: > noise (which I get from this context), but what is that exactly?
: >
: > http://www.ic-designs.com/ICDTechBrief1.pdf gives a nice detailed
: > account of how to calculate this number (V/RTHZ it says), but doesn't
: > define the base unit. I get the 'Hz' part, but not the 'rt' part.
: > Can someone provide a good reference?
: >
: > Warner
: >
: >
: >
: > _______________________________________________
: > time-nuts mailing list
: > [email protected]
: > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
: >
:
:
:
: _______________________________________________
: time-nuts mailing list
: [email protected]
: https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
:
:
_______________________________________________
time-nuts mailing list
[email protected]
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
