Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1976-04-19
1977-09-06
Gensler, Paul L.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
333 21R, 333 21A, 343756, 343786, H01P 116, H01P 520
Patent
active
040471284
ABSTRACT:
A system filter for double frequency utilization, including a broadband polarization filter in conjunction with frequency filters for separating two different frequency bands with each frequency band being doubly orthogonally polarized. The broadband polarization filter of singly symmetrical construction includes a doubly polarizable waveguide section which is axially divided by means of a partition into two symmetrical partial waveguides and the two frequency bands of the wave which is polarized parallel to the partition are each coupled out through a respective coupling window in two oppositely disposed walls of the waveguide section into a respective waveguide tee. The higher frequency band of the decoupled wave is available at the sum arm of a magic tee which has two symmetrical arms each connected via a respective highpass filter to a respective arm of one of the waveguide tees, while the lower frequency band is available at the sum arm of a further magic tee which has two symmetrical arms each connected via a respective bandpass filter to a respective arm of one of the waveguide tees. The orthogonally polarized wave is divided into the two further frequency bands in a further frequency filter which is connected in series with the doubly polarizable waveguide section via a transition piece.
REFERENCES:
patent: 2961618 (1960-11-01), Ohm
patent: 3566309 (1971-02-01), Ajioka
patent: 3731236 (1973-05-01), DiTullio et al.
Gensler Paul L.
LICENTIA Patent-Verwaltungs-G.m.b.H.
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