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baluns courant - Ve2azx.net

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BALUNS COURANTDipole λ/2Alimentation avec un câble coaxial d’un dipoleRλ/4IMPEDANCE DIPOLE VS DU LOAD DIPÔLER50 % OFFSET Z dipole at resonance33 % OFFSET Z dipole at resonanceDIPOLEGAINAVERAGEMOYENGAIN VSDULOADDIPÔLER50 % OFFSET Z dipole at resonance33 % OFFSET Z dipole at resonanceΩ14012010080Feeder à 33%dB321Feeder au centreFeeder à 33%60Feeder au centre040-120R en Ω01.00E+02 1.00E+03 1.00E+04 1.00E+05 1.00E+06100 1000 10 000 100 000 1M-2R en Ω-31.00E+02 1.00E+03 1.00E+04 1.00E+05 1.00E+06100 1000 10 000 100 000 1MAlimentation au centre (50%): R > 1000 ohmsAlimentation à 33% du bout: R > 10000 ohmsOn a intérêt à alimenter l’antenne au centre électriqueVE2AZX 24

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