Brian,
That is the rms value of two "uncorrelated" ac voltage
sources.
For noise, this is the way uncorrelated noise power adds.
- Robert -
Robert A. Macy, PE .. [email protected]
408 286 3985 . . . .. . . fx 408 297 9121
AJM International Electronics Consultants
101 E San Fernando, Suite 402
San Jose, CA 95112
On Thu, 18 Dec 2003 07:50:17 -0800
"Brian O'Connell" <[email protected]> wrote:
> Good People
>
> What is the basis of this formula for working voltage ?
>
> sqroot(a^2 + b^2)
>
> thanks,
> Brian
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