[time-nuts] OT: Power level reference
Bob Camp
lists at cq.nu
Wed Dec 2 12:20:41 UTC 2009
Hi
The accuracy / flatness of the detector is only one part of the problem.
In an RF system, the match to the detector can be a significant part of the error. If some of the power is reflected it messes up the reading ....
Bob
On Dec 2, 2009, at 5:12 AM, Poul-Henning Kamp wrote:
> In message <4B163CA2.7090106 at xtra.co.nz>, Bruce Griffiths writes:
>
>> Since a levelled generator requires a detector with a flat frequency
>> response, [...]
>
> This is usually done with a built in thermal converter, like in
> the HP3335 and HP3336 products.
>
> --
> Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
> phk at FreeBSD.ORG | TCP/IP since RFC 956
> FreeBSD committer | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by incompetence.
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>
More information about the time-nuts
mailing list