1.Understand the purpose of an SWR meter:An SWR (Standing Wave Ratio) meter is a device that measures the efficiency of your radio’s antenna system by indicating the ratio between transmitted power ...
This antenna tuning unit (ATU) enables half-wavelength or longer wire antennas to be matched to the 50-ohm antenna input of 27-MHz Citizens’ Band (CB) rigs. The ATU is useful in those cases where a ...
The purpose of this article is to explain, in detail, the process involved in building and tuning a high-frequency (HF) RFID antenna, which would operate at 13.56 MHz. Some concepts will be explained ...
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