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33 results for «Impedance»

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  1. Tools

    Ohm’s law & power

    RF impedance, resistance changes with temperature and component ratings are not calculated.

  2. Learning

    Planning a half-wave dipole

    A straight installation and an inverted V are not identical either: the angle changes feed-point impedance and radiation behaviour, among other things.

  3. President

    George II

    Antenna impedance

  4. President

    Randy III+

    Antenna impedance

  5. Learning

    Quarter wave, radials and counterpoise

    Radial count and slope affect feed-point impedance and the field.

  6. Retevis

    RHD-771

    Impedance

  7. Guides

    SWR too high?

    Check frequency range, power, reference impedance and connection direction.

  8. Zetagi

    B-47

    Impedance

  9. Zetagi

    MM-27

    It changes the impedance presented to the transmitter to improve matching of the connected antenna system.