![]() More advanced antenna tuner models provide operation with both unbalanced (coaxial) and symmetrical wired transmission lines or single wire antennas.Īs for the effect of the tuner on the reception, practical studies did not give positive results because the system is very broadband. Or to the coaxial cable used as the antenna feeder. Technically speaking, the antenna tuner converts the total resistance of the antenna-feeder device and leads it to the typical value inherent in your transceiver/receiver unit – 50 Ohm or 75 Ohm. The VSW in a particular transmission line depends only on the transmission line itself and the load connected to it. In reality, the antenna tuner has no effect whatsoever on the VSWR in the feeder. The antenna tuner supposedly improves the VSWR.In reality, the antenna tuner doesn’t tune the antenna, but any part of it! The antenna tuner supposedly tunes the antenna.The primary purpose of any ham radio antenna tuner is to match the passport value of the transmitter output impedance to the unknown or mismatched antenna feeder wave impedance on one or more bands to compensate for the reactance that occurs, thus increasing the efficiency of the entire system. These devices are particularly effective when fixing radio antennas and improving radio signals. A radio antenna can be strengthened using a tuner. ![]() It is very similar to a radio, but instead of being able to receive a radio station, it can pick up AM or FM signals. The Buyer’s Guide What is an Antenna Tuner?Ī tuner is a device that amplifies the signal of an antenna.
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