Symmetrically-configured variable ratio power combiner using septum polarizer and quarterwave plate

Claim 2

A microwave power combiner for combining microwave energy that is coupled to first and second input ports and supplying combined energy to an output port comprising: a septum polarizer having first and second input ports for receiving microwave energy from first and second sources and an output port; first waveguide means including a quarterwave plate coupled to the output port of said septum polarizer; and second waveguide means, coupled to said first waveguide means for supplying combined energy therefrom in accordance with the degree of rotation of said quarter waveplate relative to its coupling to the output port of said septum polarizer.

Claim 3

A microwave power combiner according to claim 1, wherein said second waveguide means comprises an orthogonal mode transducer having an input port and first and second output ports orthogonally disposed with respect to each other, the input port of said transducer being coupled to said first waveguide means.

Claim 4

A microwave power combiner according to claim 2, wherein said septum polarizer comprises first and second waveguide sections first ends of which form the first and second input ports thereof and second ends of which are joined together at a third waveguide section in which a septum is provided to form the output port thereof.

Claim 5

A microwave power combiner according to claim 3, wherein said septum polarizer input is T-shaped, with the first and second waveguide sections thereof being joined back-to-back to provide said T-shape and thereby permitting symmetrical coupling of microwave energy sources to said combiner.

Claim 6

A microwave power divider for providing controllable amounts of microwave energy at first and second output ports comprising: an input waveguide adapted to receive linearly polarized microwave energy; first waveguide means serially coupled to said input waveguide for converting said linearly polarized microwave energy into circularly polarized microwave energy; and symmetrically configured output waveguide transducer means having an input port and a pair of output ports symmetrically disposed with respect to the input port thereof, which input port is coupled to receive circularly polarized microwave energy converted by said first waveguide means, so that at said pair of output ports there are provided respective amounts of microwave energy in accordance with the circular polarization conversion action of said first waveguide means.

Claim 7

A microwave power divider for providing controllable amounts of microwave energy at first and second output ports comprising: an input waveguide adapted to receive linearly polarized microwave energy; first waveguide means serially coupled to said input waveguide for converting said linearly polarized microwave energy into circularly polarized microwave energy; and symmetrically configured output waveguide transducer means having an input port and a pair of output ports symmetrically disposed with respect to the input port thereof, which input port is coupled to receive circularly polarized microwave energy converted by said first waveguide means, so that at said pair of output ports there are provided respective amounts of microwave energy in accordance with the circular polarization conversion action of said first waveguide means.

Claim 8

A microwave power divider according to claim 5, wherein said input waveguide comprises an orthogonal mode transducer.

Claim 9

A microwave power divider according to claim 5, wherein said output waveguide transducer means comprises a T-shaped septum polarizer.

Claim 10

A microwave power divider according to claim 7, wherein said input waveguide comprises an orthogonal mode transducer.

Claim 11

A microwave power divider according to claim 5, wherein said first waveguide means comprises a rotatable quarterwave plate.

Claim 12

A microwave power combiner for combining microwave energy that is coupled to first and second input ports and supplying combined energy to an output port comprising: a symmetrically configured input waveguide transducer means having a pair of input ports symmetrically disposed with respect to an output port thereof, said pair of symmetrically disposed input ports forming the first and second input ports of said power combiner; first waveguide means serially coupled to the output port of said symmetrically configured input waveguide transducer means for converting circularly polarized microwave energy into linearly polarized microwave energy; and an output waveguide transducer means adapted to receive said linearly polarized microwave energy.

Claim 13

A microwave power combiner for combining microwave energy that is coupled to first and second input ports and supplying combined energy to an output port comprising: a symmetrically configured input waveguide transducer means having a pair of input ports symmetrically disposed with respect to an output port thereof, said pair of symmetrically disposed input ports forming the first and second input ports of said power combiner; first waveguide means serially coupled to the output port of said symmetrically configured input waveguide transducer means for converting circularly polarized microwave energy into linearly polarized microwave energy; and an output waveguide transducer means adapted to receive said linearly polarized microwave energy.

Claim 14

A microwave power combiner according to claim 10, wherein said output waveguide transducer means comprises an orthogonal mode transducer.

Claim 15

A microwave power combiner according to claim 10, wherein said symmetrically-configured input waveguide transducer means comprises a T-shaped septum polarizer.

Claim 16

A microwave power combiner according to claim 10, wherein said first waveguide means comprises a rotatable quarterwave plate.

Claim 17

A microwave power combiner according to claim 13, wherein said symmetrically-configured input waveguide transducer means comprises a T-shaped septum polarizer.

Claim 18

A microwave power combiner according to claim 14, wherein said output waveguide transducer means comprises an orthogonal mode transducer.

Claim 19

A microwave power distribution arrangement for combining microwave energy that is coupled to first and second input ports and selectively distributing combined energy to first and second output ports comprising: a symmetrically-configured input waveguide transducer means having a pair of input ports symmetrically disposed with respect to an output port thereof, said pair of symmetrically disposed input ports forming the first and second input ports of said arrangement; first waveguide means serially coupled to the output port of said symmetrically configured input waveguide transducer means for converting circularly polarized microwave energy into linearly polarized microwave energy; second waveguide means serially coupled to said first waveguide means for converting linearly polarized microwave energy into circularly polarized microwave energy; and a symmetrically-configured output waveguide transducer means having a pair of output ports symmetrically disposed with respect to an input port thereof, said pair of symmetrically disposed output ports forming the first and second output ports of said arrangement, the input port of said symmetrically-configured output waveguide transducer means being coupled to said second waveguide means.

Claim 20

A microwave power distribution arrangement for combining microwave energy that is coupled to first and second input ports and selectively distributing combined energy to first and second output ports comprising: a symmetrically-configured input waveguide transducer means having a pair of input ports symmetrically disposed with respect to an output port thereof, said pair of symmetrically disposed input ports forming the first and second input ports of said arrangement; first waveguide means serially coupled to the output port of said symmetrically configured input waveguide transducer means for converting circularly polarized microwave energy into linearly polarized microwave energy; second waveguide means serially coupled to said first waveguide means for converting linearly polarized microwave energy into circularly polarized microwave energy; and a symmetrically-configured output waveguide transducer means having a pair of output ports symmetrically disposed with respect to an input port thereof, said pair of symmetrically disposed output ports forming the first and second output ports of said arrangement, the input port of said symmetrically-configured output waveguide transducer means being coupled to said second waveguide means.

Claim 21

A microwave power distribution arrangement according to claim 16, wherein said symmetrically-configured input waveguide transducer means comprises a T-shaped septum polarizer.

Claim 22

A microwave power distribution arrangement according to claim 17, wherein said first waveguide means comprises a rotatable quarterwave plate.

Claim 23

A microwave power distribution arrangement according to claim 17, wherein said symmetrically-configured output waveguide transducer means comprises a T-shaped septum polarizer.

Claim 24

A microwave power distribution arrangement according to claim 19, wherein each of said first and second waveguide means comprises a rotatable quarterwave plate.

Claim 25

A microwave power combiner for combining microwave energy that is coupled to first, second, third and fourth input ports and supplying combined energy to an output port comprising: a plurality of microwave energy combining arrangements each of which includes a symmetrically-configured input waveguide transducer means having a pair of input ports symmetrically disposed with respect to an output port thereof; first waveguide means serially coupled to the output port of said symmetrically-configured input waveguide transducer means for converting circularly polarized microwave energy into linearly polarized microwave energy; and output waveguide transducer means adapted to receive said linearly polarized microwave energy; and wherein the respective input ports of said ones of said plurality of combining arrangements form said first, second, third and fourth input ports of said power combiner; the respective output waveguide transducer means of said first and second ones of said plurality of combining arrangements are coupled to the pair of input ports of a third one of said plurality of combining arrangements; and the output waveguide transducer means of said third one of said plurality of combining arrangements is coupled to the output port of said combiner.

Claim 26

A microwave power combiner for combining microwave energy that is coupled to first, second, third and fourth input ports and supplying combined energy to an output port comprising: a plurality of microwave energy combining arrangements each of which includes a symmetrically-configured input waveguide transducer means having a pair of input ports symmetrically disposed with respect to an output port thereof; first waveguide means serially coupled to the output port of said symmetrically-configured input waveguide transducer means for converting circularly polarized microwave energy into linearly polarized microwave energy; and output waveguide transducer means adapted to receive said linearly polarized microwave energy; and wherein the respective input ports of said ones of said plurality of combining arrangements form said first, second, third and fourth input ports of said power combiner; the respective output waveguide transducer means of said first and second ones of said plurality of combining arrangements are coupled to the pair of input ports of a third one of said plurality of combining arrangements; and the output waveguide transducer means of said third one of said plurality of combining arrangements is coupled to the output port of said combiner.

Claim 27

A microwave power combiner according to claim 21, wherein said output waveguide transducer means comprises an orthogonal mode transducer.

Claim 28

A microwave power combiner according to claim 21, wherein said symmetrically-configured input waveguide transducer means comprises a T-shaped septum polarizer.

Claim 29

A microwave power combiner according to claim 21, wherein said first waveguide means comprises a rotatable quarterwave plate.

Claim 30

A microwave power combiner according to claim 24, wherein said symmetrically-configured input waveguide transducer means comprises a T-shaped septum polarizer.

Claim 31

A microwave power combiner according to claim 25, wherein said output waveguide transducer means comprises an orthogonal mode transducer.