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[Yaesu] From millivolts to milliwatts.

To: <yaesu@contesting.com>
Subject: [Yaesu] From millivolts to milliwatts.
From: vr2bg@harts.org.hk (VR2BrettGraham)
Date: Fri, 01 Mar 2002 01:12:51 +0000
XE1KIM asked:

>Does anyone know a formula to convert millivolts to milliwatts ??
>I have 1 Volt comming out from the RF Unit to PA Unit on a FT1000
>But I need to know in milliwatts not in volts......so looking at the PA
>Will know if power comming out from RF unit is ok..

 From the laminated cheat sheet I still have in my wallet as some 10
years on I _still_ can't remember myself & usually don't have a
calculator handy:

1000 mV into 50 ohms = 120 dBuV = 13 dBm

Buena suerte.

73, VR2BrettGraham

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