RECEIVER STAGE INCORPORATING PROVISION FOR SEPARATING ORTHOGONAL POLARIZATION SIGNALS OF TWO FREQUENCY BANDS Russian patent published in 2000 - IPC

Abstract RU 2149484 C1

FIELD: radio-relay and satellite communication systems operating in superhigh-frequency band. SUBSTANCE: receiver stage designed for simultaneous reception of two frequency bands and separation of reception and transmission frequencies has round waveguide section; connected to the latter through waveguide adapter with four side outputs uniformly arranged over cross-sectional area circumference are waveguide of smaller diameter and polarized selector; it also has low-noise amplifiers connected to them, their quantity corresponding to that of side outputs; amplifier outputs are connected through rectangular waveguide sections to inputs of coaxial waveguide series-and-shunt tees. EFFECT: improved noise figure in receive mode. 1 dwg

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RU 2 149 484 C1

Authors

Somov A.M.

Tikhonjuk A.I.

Dates

2000-05-20Published

1998-12-24Filed