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RF Power Measuring - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


antenna_ant
 Post subject: RF power measuring
Posted: Mon Aug 22, 2005 3:47 pm 
Hi,

Are there any RF power measuring instruments that can measure upto 200kw power in pulse mode?

thanx.


 
  
 
Graham
 Post subject:
Posted: Fri Sep 02, 2005 8:37 pm 
 
Colonel
 

Joined: Fri Sep 02, 2005 7:25 pm
Posts: 34
Location: Hampshire UK
OK - the easy way to measure high power is to let it rip into the dummy load via a high loss coupler, or maybe off the "isolated" port of a ring combiner. 200kW sounds like a radar pulse. Anyway, step 1 is to get a suitable sample of a sane size.

Next is the frequency. If the scope is up to it, a direct measure will do. Otherwise, use a diode detector, and then a lower bandwidth scope can deliver the pulse envelope.

Unless..maybe I misunderstand. Are you thinking of some sort of stand-alone instrument that connects via a thru-sample head, and delivers the answer on a display?




Posted  11/12/2012

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