[time-nuts] OT: Power level reference

[Bob Camp]

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
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