Net Power: Difference between revisions

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<math> 50 \ dBm = 10^{\frac{50}{10}} \ mW = 100\ W</math>
<math> 50 \ dBm = 10^{\frac{50}{10}} \ mW = 100\ W</math>
<math> 30 \ dBm = 10^{\frac{30}{10}} \ mW = 1\ W</math>
<math> 30 \ dBm = 10^{\frac{30}{10}} \ mW = 1\ W</math>



Revision as of 13:40, 13 June 2008

Net Power defined as Forward Power minus the Reflected Power This document describes how you should calculate the Net Power correctly.

Given information
Frequency (MHz) Forward Power (dBm) Reflected Power (dBm)
201,973 50 30

Question: What is the Net Power?

Answer: 49,95635195 dBm

The calculation[edit]

First you calculate the dBm values to linear values.

Subtract the linear values

Convert the value to dBm again: