Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the same
First Claim
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1. A switch arrangement comprising:
- (a) a plurality of MEMS switches arranged on a substrate about an axis through said substrate, each MEMS switch being disposed on a common imaginary circle centered on said axis, and each MEMS switch being spaced equidistantly along the circumference of said imaginary circle;
(b) a conductive via in said substrate arranged parallel to and on said axis; and
(c) connections for connecting a RF port of each one of said plurality of MEMS switches with said conductive via.
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Abstract
A switch arrangement comprises a plurality of MEMS switches arranged on a substrate about a central point, each MEMS switch being disposed on a common imaginary circle centered on the central point. Additionally, and each MEMS switch is preferably spaced equidistantly along the circumference of the imaginary circle. Connections are provided for connecting a RF port of each one of the MEMS switches with the central point.
116 Citations
40 Claims
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1. A switch arrangement comprising:
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(a) a plurality of MEMS switches arranged on a substrate about an axis through said substrate, each MEMS switch being disposed on a common imaginary circle centered on said axis, and each MEMS switch being spaced equidistantly along the circumference of said imaginary circle;
(b) a conductive via in said substrate arranged parallel to and on said axis; and
(c) connections for connecting a RF port of each one of said plurality of MEMS switches with said conductive via. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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- 12. A switch arrangement comprising a plurality of switch units, each switch unit having at least two MEMS switches coupled to a central point, the at least two MEMS switches of the switch unit being arranged to couple selectively at least two transmission line ports to said central point, and at least a third MEMS switch coupled to said central point and adapted to be connected to a central point associated with an adjacent one of said plurality of switch units.
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15. A switch arrangement comprising:
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(a) a plurality of MEMS switches arranged on a substrate about a central point, each MEMS switch being disposed on a common imaginary circle centered on said central point, and each MEMS switch being spaced equidistant ly along the circumference of said imaginary circle; and
(b) connections for connecting a RF port of each one of said MEMS switches with said central point. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method of making a switch arrangement comprising:
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(a) disposing a plurality of MEMS switches on a substrate in a circular pattern about a point;
(b) disposing a plurality of RF lines disposed in a radial pattern relative to said point on said substrate; and
(c) connecting said plurality of RF strip lines to a common junction point at said point on said substrate via said plurality of MEMS switches whereby operation of a one of said plurality of MEMS switches couples a one of said plurality of RF strip lines to said common junction. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A switch arrangement comprising:
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(a) a plurality of MEMS switches arranged on a substrate about a common RF port, the RF port having a centerline and each MEMS switch being disposed spaced equidistantly from the centerline of said RF port; and
(b) connections for connecting a RF contact of each one of said MEMS switches with said common RF port. - View Dependent Claims (39, 40)
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Specification