Wideband balun realized by equal-power divider and short circuit

Details Wideband balun realized by equal-power divider and short circuit Wideband balun realized by equal-power divider and short circuit

1986-03-28

1988-02-16

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

333128, 333136, H01P 510

Patent

active

047257920

ABSTRACT:
A balun comprises a one-to-two, equal-power, matched power divider having branch transmission lines whose lengths differ by 1/2 wavelength at a design frequency. The shorter of these two branch transmission lines has two 1/4 wavelength long, shorted stub transmission lines branching therefrom 1/4 wavelength apart.

REFERENCES:
patent: 2238438 (1941-04-01), Alford
patent: 2897456 (1959-07-01), Geppert
patent: 3245009 (1966-04-01), Buschbeck
patent: 4204168 (1980-05-01), Brown
patent: 4275366 (1981-06-01), Schwarzmann
patent: 4460877 (1984-04-01), Sterns
patent: 4484163 (1984-11-01), de Ronde
Jacques, Roger and Meignant, Didier, "Novel Wideband Microstrip Balun", Proceeding of 11th European Microwave Conf., Amsterdam, Netherland, 7-11, Sep. 1981, pp. 839-843.

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