Circuits, systems and methods for constructing a composite signal
First Claim
Patent Images
1. A translational switch operable with a system for constructing a composite signal, the translational switch comprising:
- a plurality of inputs comprising any combination of Ka band, Ku band and Intermediate Frequency (IF) band inputs, each input configured to receive a respective one of a plurality of input signals from a set of satellites;
a first plurality of outputs;
a second plurality of outputs;
circuitry for switchably outputting, with one single frequency translation on any of the first plurality of outputs, a first frequency-translated version of a first of the plurality of input signals; and
circuitry for switchably outputting, with one single frequency translation on any of the second plurality of outputs,a second frequency-translated version of the first of the plurality of input signals.
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Abstract
Circuits, systems, and methods for assembling a composite signal include a frequency translation circuit coupled to receive an input signal and operable to generate a plurality of frequency-translated versions of the input signal at a respective plurality of different frequencies, the plurality of frequency-translated input signals defining a group of frequency translated signals. The plurality of frequency translated signals may each be processed to provide a composite signal.
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Citations
15 Claims
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1. A translational switch operable with a system for constructing a composite signal, the translational switch comprising:
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a plurality of inputs comprising any combination of Ka band, Ku band and Intermediate Frequency (IF) band inputs, each input configured to receive a respective one of a plurality of input signals from a set of satellites; a first plurality of outputs; a second plurality of outputs; circuitry for switchably outputting, with one single frequency translation on any of the first plurality of outputs, a first frequency-translated version of a first of the plurality of input signals; and circuitry for switchably outputting, with one single frequency translation on any of the second plurality of outputs, a second frequency-translated version of the first of the plurality of input signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for constructing a composite signal, comprising:
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a first translational switch, comprising a first plurality of inputs, comprising Ka band, Ku band and Intermediate Frequency (IF) band inputs, configured to receive a respective first plurality of signals from a set of satellites, a first plurality of outputs, and a second plurality of outputs; wherein the first translational switch is configured to switchably output with one single frequency translation, on any of the first plurality of outputs, a first frequency-translated version a first of the first plurality of input signals, and wherein the first translational switch is further configured to switchably output with one single frequency translation on any one of the second plurality of outputs a second frequency-translated version of the first of the plurality of input signals; and a second translational switch, comprising a second plurality of inputs, comprising Ka band, Ku band and IF band inputs, configured to receive a respective second plurality of signals from the set of satellites, a third plurality of outputs, and a fourth plurality of outputs, wherein the second translational switch is configured to switchably output, with one single frequency translation, on the third plurality of outputs a first frequency-translated version of a first of the second plurality of input signals, and wherein the second translational switch is further configured to switchably output, with one single frequency translation, on the fourth plurality of outputs a second frequency-translated version of the first of the second plurality of input signals; and an IF band output combining network coupled to each of the first translational switch outputs and to each of the second translational switch outputs, the IF band output combining network operable to construct a composite signal comprising the first frequency-translated version of the first of the first plurality of input signals and the first frequency-translated version of the first of the second plurality of input signals. - View Dependent Claims (11, 12, 13, 14)
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15. A translational switch operable with a system for constructing a composite signal, the translational switch, comprising:
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a first input for receiving a first of a plurality of Ka band Ku band or IF band input signals from a set of satellites; a second input for receiving a second of the plurality of Ka band Ku band or IF band input signals from the set of satellites; a first mixer comprising; a first port coupled to receive the first of the plurality of input signals a second port coupled to receive a first mixing frequency signal, and a third port for providing a first frequency-translated version of the first of the plurality of input signals; a second mixer comprising; a first port coupled to receive the second of the plurality of input signals, a second port coupled to receive the first mixing frequency signal, and a third port for providing a first frequency-translated version of the second of the plurality of input signals; a third mixer comprising; a first port coupled to receive the first of the plurality of input signals, a second port coupled to receive a second mixing frequency signal, and a third port for providing a second frequency-translated version of the first of the plurality of input signals; a fourth mixer comprising; a first port coupled to receive the second of the plurality of input signals, a second port coupled to receive the second mixing frequency signal, and a third port for providing a second frequency-translated version of the second of the plurality of input signals; a first switch coupled to receive each of the first frequency-translated versions of the first and the second of the plurality of input signals, the first switch operable to selectively couple either;
(i) any one of the first frequency-translated versions of the first and second plurality of input signals, or (ii) a null output signal, to any one or more of a plurality of first switch outputs; anda second switch coupled to receive each of the second frequency-translated versions of the first and the second of the plurality of input signals, the second output switch operable to selectively couple either;
(i) any one of the second frequency-translated versions of the first and second plurality of input signals, or (ii) a null output signal, to any one or more of a plurality of second switch outputs,wherein the first switch and the second switch are coupled to a plurality of combiners directly coupled to a tuner to create the composite signal, and only one stage of frequency translation is performed between the composite signal and the first and second plurality of input signals.
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Specification