Power combiners and dividers based on composite right and left handed metamaterial structures
First Claim
Patent Images
1. A power transforming device, comprising:
- a plurality of transmission lines, wherein at least one of the plurality of transmission lines is a composite right and left handed (CRLH)-based structure; and
a port coupled to the plurality of transmission lines,wherein each of the plurality of transmission lines has an electrical length corresponding to a phase of 0 degrees at an operating signal frequency.
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Abstract
Techniques, apparatus and systems that use composite left and right handed (CRLH) metamaterial structures to combine and divide electromagnetic signals at multiple frequencies. The metamaterial properties permit significant size reduction over a conventional N-way radial power combiner or divider. Dual-band serial power combiners and dividers and single-band and dual-band radial power combiners and dividers are described.
24 Citations
27 Claims
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1. A power transforming device, comprising:
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a plurality of transmission lines, wherein at least one of the plurality of transmission lines is a composite right and left handed (CRLH)-based structure; and a port coupled to the plurality of transmission lines, wherein each of the plurality of transmission lines has an electrical length corresponding to a phase of 0 degrees at an operating signal frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A power transforming device, comprising:
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a plurality of transmission lines, wherein at least one of the plurality of transmission lines is a composite right and left handed (CRLH)-based structure; and a port coupled to the plurality of transmission lines, wherein each of the plurality of transmission lines has an electrical length corresponding to a phase of ±
180*N degrees at a first frequency range and a phase of ±
180*M degrees at a second frequency range, wherein M=N−
1 and N is any integer including zero. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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24. A method for a power combiner, comprising:
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receiving a plurality of power levels from a plurality of transmission lines, wherein at least one of the plurality of transmission lines is a composite right and left handed (CRLH)-based structure; and combining the plurality of power levels to a single power level at a port coupled to the plurality of transmission lines, wherein the each of the plurality of transmission lines has an electrical length corresponding to a phase of 0 degrees.
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25. A method for a power divider, comprising:
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receiving a single power level at a port; and distributing the single power level from the port to a plurality of transmission lines, wherein each of the plurality of transmission lines is coupled to the port and at least one transmission line is a composite right and left handed (CRLH)-based structure, wherein the each of the plurality of transmission lines has an electrical length corresponding to a phase of 0 degrees.
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26. A method for a power combiner, comprising:
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receiving a plurality of power levels from a plurality of transmission lines, wherein at least one of the plurality of transmission lines is a composite right and left handed (CRLH)-based structure; and combining the plurality of power levels to a single power level at a port coupled to the plurality of transmission lines, wherein each of the plurality of transmission lines has an electrical length corresponding to a phase of ±
180*N degrees at first frequency range and a phase of ±
180*M degrees at a second frequency range, wherein M=N−
1 and N is an integer including zero.
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27. A method for a power divider, comprising:
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receiving a single power level at a port; and distributing the single power level from the port to a plurality of transmission lines, wherein each transmission line is coupled to the port and at least one transmission line is a composite right and left handed (CRLH)-based structure, wherein each transmission line has an electrical length corresponding to a phase of ±
180*N degrees at first frequency range and a phase of ±
180*M degrees at a second frequency range, wherein M=N−
1 and N is an integer including zero.
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Specification