Multiple-input switch design
First Claim
Patent Images
1. A switch arrangement for electromagnetic radiation applications, comprising:
- a plurality of inputs, each structured for receiving electromagnetic radiation signal having a wavelength λ
;
a plurality of switches, each coupled to a respective input from the plurality of inputs;
a main conductor coupled to an output lead;
a plurality of leg conductors, each coupled at one end to the main conductor and at its other end to a respective switch from the plurality of switches, each of the leg conductors having a length substantially equal to nλ
/2, wherein n is a whole natural number.
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Abstract
A switch designs having very low insertion loss, in which the insertion loss remains the same regardless of the number of inputs. A plurality of inputs are structured for receiving electromagnetic radiation signal having a wavelength λ. A plurality of switches, e.g., PIN diode switches, are coupled to a respective input. A main conductor is coupled to an output. A plurality of leg conductors are coupled at one end to the main conductor and at other end to a respective switch from the plurality of switches, wherein each of the leg conductors has a length substantially equal to nλ/2, wherein n is a whole natural number.
22 Citations
18 Claims
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1. A switch arrangement for electromagnetic radiation applications, comprising:
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a plurality of inputs, each structured for receiving electromagnetic radiation signal having a wavelength λ
;a plurality of switches, each coupled to a respective input from the plurality of inputs; a main conductor coupled to an output lead; a plurality of leg conductors, each coupled at one end to the main conductor and at its other end to a respective switch from the plurality of switches, each of the leg conductors having a length substantially equal to nλ
/2, wherein n is a whole natural number. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A switch arrangement for electromagnetic radiation applications, comprising:
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a plurality of inputs, each structured for receiving electromagnetic radiation signal having a wavelength λ
;an insulative substrate; a main conductive trace formed on the insulative substrate and coupled to an output lead; a plurality of switches affixed to the insulative substrate, each coupled to a respective input from the plurality of inputs; a plurality of conductive leg traces formed on the insulative substrate, each coupled at one end to the main conductive trace and at its other end to a respective switch from the plurality of switches, each of the leg traces having a length substantially equal to nλ
/2, wherein n is a whole natural number. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method for fabricating a switch arrangement for electromagnetic radiation applications, comprising:
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determining a wavelength λ
of the electromagnetic radiation;providing an insulative substrate; forming a main conductive trace on the insulative substrate; coupling an output terminal to the main conductive trace; affixing a plurality of switches to the insulative substrate; coupling a plurality of input terminals, one to each respective switch from the plurality of switches; forming a plurality of conductive leg traces on the insulative substrate, and coupling each at one end to the main conductive trace and at its other end to a respective switch from the plurality of switches, wherein each of the leg traces is formed to have a length substantially equal to nλ
/2, wherein n is a whole natural number. - View Dependent Claims (15, 16, 17)
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18. A method for operating a plurality of radiation sources for steering a radiation beam from a receiver, comprising:
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activating a switch to couple a first radiation sources to the receiver and decoupled all other radiation sources from the receiver, and receiving radiation solely from the first radiation source; activating the switch to couple a second radiation source to the transceiver without decoupling the first radiation source from, the transceiver, and receiving radiation from the first and second radiation sources in additive mode; decoupling the first radiation source from the receiver, and receiving radiation solely from the second radiation source.
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Specification