Multiple pole multiple throw switch device based on composite right and left handed metamaterial structures
First Claim
Patent Images
1. A device, comprising:
- a plurality of branches, each of the branches comprising;
a Composite Right/Left-Handed (CRLH) metamaterial Transmission line (TL) having a first end and a second end; and
a switch coupled to the first end of the CRLH metamaterial TL;
a plurality of terminals coupled to the plurality of branches, the plurality of terminals to enable signal communications with the plurality of branches; and
a common point coupled between two or more of the CRLH metamaterial TLs, the common point coupled to a second end of each of the two or more CRLH metamaterial TLs;
wherein a signal pathway from any particular one of the terminals to the common point along a corresponding one of the branches passes through the switch for the corresponding one of the braches.
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Abstract
Techniques, apparatus and systems for a multiple pole multiple throw (MPMT) RF switch device based on composite left and right handed (CRLH) metamaterial structures.
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Citations
23 Claims
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1. A device, comprising:
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a plurality of branches, each of the branches comprising; a Composite Right/Left-Handed (CRLH) metamaterial Transmission line (TL) having a first end and a second end; and a switch coupled to the first end of the CRLH metamaterial TL; a plurality of terminals coupled to the plurality of branches, the plurality of terminals to enable signal communications with the plurality of branches; and a common point coupled between two or more of the CRLH metamaterial TLs, the common point coupled to a second end of each of the two or more CRLH metamaterial TLs; wherein a signal pathway from any particular one of the terminals to the common point along a corresponding one of the branches passes through the switch for the corresponding one of the braches. - View Dependent Claims (2, 3, 4, 5)
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6. A device, comprising:
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a plurality of branches, each of the branches comprising; a Composite Right/Left-Handed (CRLH) metamaterial Transmission line (TL) having a first end and a second end; and a switch coupled to the first end of the CRLH metamaterial TL; a plurality of terminals coupled to the plurality of branches, the plurality of terminals to enable signal communications with the plurality of branches; and a common point coupled between two or more of the CRLH metamaterial TLs, the common point coupled to a second end of each of the two or more CRLH metamaterial TLs; wherein each of the plurality of branches has an electrical length of zero degrees for a corresponding operating frequency for single-band operation.
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7. A device, comprising:
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a plurality of branches, each of the branches comprising; a Composite Right/Left-Handed (CRLH) metamaterial Transmission line (TL) having a first end and a second end; and a switch coupled to the first end of the CRLH metamaterial TL; a plurality of terminals coupled to the plurality of branches, the plurality of terminals to enable signal communications with the plurality of branches; and a common point coupled between two or more of the CRLH metamaterial TLs, the common point coupled to a second end of each of the two or more CRLH metamaterial TLs; wherein each of the plurality of branches has a first electrical length A at a first operating frequency and a second electrical length B at a second operating frequency, where A≠
B, for dual-band or multi-band operations; andwherein A=180°
*k1, and B=180°
*k2, where k1 and k2 are integers and k1≠
K2.
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8. A device, comprising:
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a plurality of branches, wherein each of the branches comprises; a CRLH metamaterial TL coupled to a one end of a branch; a switch coupled to the CRLH metamaterial TL; and a common point coupling the plurality of branches, wherein each switch of the plurality of branches is coupled to a terminal for signal transmission, and wherein a plurality of control signals controls the switches to enable signal transmissions from a terminal or a combination of terminals. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A device, comprising:
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a plurality of branches, wherein each of the branches comprises; a CRLH metamaterial TL coupled to a one end of a branch; a switch coupled to the CRLH metamaterial TL; and a common point coupling the plurality of branches, wherein each switch of the plurality of branches is coupled to a terminal for signal transmission, wherein a plurality of control signals controls the switches to enable signal transmissions from a terminal or a combination of terminals, and wherein each of the plurality of branches has an electrical length of zero degrees for a corresponding operating frequency for single-band operations.
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19. A device, comprising:
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a plurality of branches, wherein each of the branches comprises; a CRLH metamaterial TL coupled to a one end of a branch; a switch coupled to the CRLH metamaterial TL; and a common point coupling the plurality of branches,. wherein each switch of the plurality of branches is coupled to a terminal for signal transmission, wherein a plurality of control signals controls the switches to enable signal transmissions from a terminal or a combination of terminals, wherein each of the plurality of branches has a first electrical length A at a first operating frequency and a second electrical length of B at a second operating frequency, where A≠
B, for dual-band or multi-band operations; andwherein A=180°
*k1, and B=180°
*k2, where k1 and k2 are integers and k1≠
k2.
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20. A method for managing signal flow, comprising:
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providing a plurality of transmission lines, wherein at least two of the plurality of transmission lines (a) is a composite right and left handed (CRLH)-based structure (b) includes a communication terminal, and (c) includes a switch; coupling the plurality of transmission lines to a common point; applying control signals to the switches of the at least two transmission lines; wherein signal flow over the plurality of transmission lines and through the common point is controlled by the actuation of the switches by the control signals. - View Dependent Claims (21, 22, 23)
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Specification