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

[ilkka.kontola@nokia.com]

> 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