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ratio detector

  1. MikeMl

    Circuit wanted: Antenna Current lead or lagging Antenna Voltage?

    I need a circuit which will produce a DC level proportional to the jX term at the feedpoint of an antenna. The frequency range is 1 to 20MHz. The circuit should work with RF levels from ~10W to 1000W. The antenna impedance range: 5<R<500, -500<jX<500 Ohms. I am building an Arduino-based...

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