As featured in the RF Technology Certification program, this is the workbook discussing how to approximate the converison from dBm to milliwatts "in your head." You can always use the conversion formula and a calculator to go from dBm power levels to the actual milli- micro- or kilo- watt values, but it's far more useful to be able to quickly approximate the conversion intuitively. This tutorial describes the process and includes a demonstration at the end where you can type in a dBm value and see how to approximate the result using the technique explained in the text (Javascript required). Enjoy!
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