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Tīmeklis4.)λ⅝ Strahler mit Radialen ist eine gute DX-Antenne mit flacher Abstrahlung. Durch die eigenen Radiale ist die echte λ⅝ recht unabhängig von den Erdbedingungen. Bei zu … A quarter-wave impedance transformer, often written as λ/4 impedance transformer, is a transmission line or waveguide used in electrical engineering of length one-quarter wavelength (λ), terminated with some known impedance. It presents at its input the dual of the impedance with which it is terminated. The … Skatīt vairāk At radio frequencies of upper VHF or higher up to microwave frequencies one quarter wavelength is conveniently short enough to incorporate the component within many products, but not so small that it cannot be manufactured … Skatīt vairāk 1. ^ Matthaei et al, pp.144-149. 2. ^ Bhat & Koul, p.686. 3. ^ Bhat & Koul, pp.601-602. 4. ^ A 2-element-kind network is one consisting of only two kinds of elements, that is, Skatīt vairāk A transmission line that is terminated in some impedance, ZL, that is different from the characteristic impedance, Z0, will result in a wave being reflected from the termination back to the source. At the input to the line the reflected voltage adds to the incident … Skatīt vairāk Similar properties can be realized using either a "T" or "PI" network consisting of lumped elements each of which has a reactance equal to the Zo of the simulated one-quarter Skatīt vairāk http://lambdahalbe.de/drahtantennen/kw-5--band-dx-antenne/index.html hideout\\u0027s gt