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US 4,302,733 AGranted
Microwave hybrid couplers
OwnerEdward Salzberginventor
Life of this patent
Estimating the term…
Abstract
Microwave hybrid coupler combinations using magic tees in which the symmetrical arms are used for output ports in power combining and the nonsymmetrical arms are used for output ports in power dividing.
Claims13
A microwave hybrid tee transfer switch using magic tee hybrid couplers comprising:
- (a) a first hybrid tee having two symmetrical arms terminating in first and second output ports, an E-plane arm and an H-plane arm;
- (b) a second hybrid tee having two symmetrical arms terminating in first and second input ports, an E-plane arm and an H-plane arm;
- (c) a variable phase shifter connected between the E-plane arm of one of said first hybrid tee and said second hybrid tee and the H-plane arm of the other;
- and
- (d) a phase shifting device connected between the H-plane arm of said one and the E-plane arm of said other, whereby microwave power fed to one of said input ports can be fed to one of said output ports and switched between said output ports by varying said variable phase shifter.
2 more elements
A microwave hybrid tee power divider/combiner combination comprising:
- (a) a first hybrid tee having two symmetrical arms terminating in first and second input ports, an E-plane arm and an H-plane arm terminating in first and second output ports respectively;
- (b) a second hybrid tee having two symmetrical arms terminating in second and third output ports, an E-plane arm and an H-plane arm terminating in third and fourth input ports respectively;
- (c) a controllable phase shifter connected between the E-plane arm of one of said first hybrid tee and said second hybrid tee and the H-plane arm of the other;
- and,
- (d) a fixed phase shift connection between the remaining E-plane arm and the remaining H-plane arm, said connection having similar response characteristics to said phase shifter over the design frequency band.
2 more elements
A combinatino of microwave hybrid junctions comprising:
- (a) first, second, third and fourth substantially identical hybrid junctions each having two symmetrical arms and two nonsymmetrical arms, the nonsymmetrical arms of each junction consisting of one E-plane and one H-plane arm;
- (b) a plurality of connections coupling the E-plane arm of said first junction directly to the E-plane arm of said second junction, the H-plane arm of said first junction to the H-plane arm of said third junction, the E-plane arm of said third junction directly to the E-plane arm of said fourth junction and the H-plane arm of said fourth junction directly to the H-plane arm of said second junction;
- and,
- (c) a switchable phase shift device terminating each of the symmetrical arms of said second junction and said third junction.
1 more element
Dependencies are inferred from the claim text.