VHF-UHF Yagi Antenna Feed Design

 VHF-UHF Yagi Antenna Feed Design
    Balanced feed line are readily available in various impedances 75/300/450 ohms, but the use of a balanced feedline presents some physical requirements that are not easy to get around
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post 16 Sep 2026



Antenna for UHF VHF Links →

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Antenne for satellie meteosat sheme
    Since the impedance on the power point is not adapted to that of the coaxial, it is necessary to insert an impedance transformer consisting of a piece of 75 ohm coaxial cable of a quarter of a wavelengthv

    Antenna collineare cavo coassiale RG.213
      Il guadagno dichiarato da Nuova Elettronica è di 6dB, senza specificare se dBi o dBd; l'antenna consta di tre mezze lunghezze d'onda, messe in fase con lo scambio che, da uno spezzone all'altro, avviene tra filo coassiale e calza irradiante


    Antenne verticale Topfkreis
      La costruzione è del tutto simile a quella descritta per la Sperrtopf, con l'unica variante del fissaggio del bocchettone


    Antenna for turnstile 144.00mhz
      Rielaborazione delle antenne turnstile per le bande vhf/uhf


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