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[Amps] Homemade attenuator or sampler for 1+kW?

To: <amps@contesting.com>
Subject: [Amps] Homemade attenuator or sampler for 1+kW?
From: ilkka.kontola@nokia.com (ilkka.kontola@nokia.com)
Date: Fri, 24 May 2002 09:04:12 +0300
> I use an HP 778D  20dB directional coupler for this application.  1kW
> applied yields 10W at the -20dB decoupled port, then I just 
> use an ordinary
> 20W attenuator (Bird, Narda, HP, whatever -- lots of them 
> available) plugged
> into the spectrum analyzer.  

I thought the power rating for HP 778D is 50 W average 500 W peak. 
Usually HP peak rating is for 1 microsecond or shorter pulses
and average power rating is average over one second.

Thank you for the tip anyway.

Ilkka OH3NJC

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