Question

Asked Jan 25, 2020

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Convert 50 mW power into dBm. Please show detailed steps for this conversion.

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Step 1

If *P _{T}* is the power transmitted by an antenna in watts (W), then the power transmitted by the antenna in dBm can be obtained using the following relation:

In short, dBm is a logarithmic unit of power where the reference power is taken as 1 mW.

Step 2

In this case, the value of the power is given as 50 mW.

Plugging this value into equation (1), the value of the power in dBm will become

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