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New program. TRANCOIL

Discussion in 'Electronic Design' started by Reg Edwards, Mar 25, 2006.

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  1. Reg Edwards

    Reg Edwards Guest

    A loading coil inserted in an antenna, or a close-wound helical, can
    be considered to be a transmission line. It behaves as such.

    From a coil's physical dimensions, program TRANCOIL calculates the
    line's distributed Inductance, Capacitance and Resistance including
    radiation resistance.

    Also Characteristic Impedance, Phase-shift, Propagation Velocity and
    Attenuation.

    Should the coil be used as an antenna, the resonant frequencies are
    found, also the feedpoint impedance, R+jX, versus test frequency.

    Input data can be varied via the keyboard to observe how the coil
    performs versus length, diameter, number of turns and frequency.

    The program is both educational and practical.

    Download program TRANCOIL in a few seconds from website below and run
    immediately.
    ----
    ............................................................
    Regards from Reg, G4FGQ
    For Free Radio Design Software go to
    http://www.btinternet.com/~g4fgq.regp
    ............................................................
     
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