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## Re: [Amps] Watts to DBM??

 To: Re: [Amps] Watts to DBM?? "Jim Forsyth" Mon, 5 Oct 2009 06:05:28 -0700 mailto:amps@contesting.com>
 ```Output Power = 100((2x2)/(.6x.6)) = 1111 Watts Jim, AF6O -------------------------------------------------- From: "Steve Flood" Sent: Monday, October 05, 2009 3:59 AM To: Subject: Re: [Amps] Watts to DBM?? > So, I am using an oscilloscope with an RF sampler to measure output power. > > With barefoot 100 watts, I read 0.6 volts p-p on the scope. > With the amp in line, I read 2.0 volts p-p on the scope. > What is my output power? > > 20 log (2.0/0.6) = 10.46 dB > > I divide 10.46 dB by 10 and get 1.46 dB. > I take 10 to the 1.46 power and get 11.11. > I multiply by 100 and get 1111 watts output. > > Is that correct? > > Steve, KK7UV > _______________________________________________ > Amps mailing list > Amps@contesting.com > http://lists.contesting.com/mailman/listinfo/amps > > _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps ```
 Current Thread Re: [Amps] Watts to DBM??, Steve Flood Re: [Amps] Watts to DBM??, Jim Forsyth <= Re: [Amps] Watts to DBM??, Bill, W6WRT