Tunable oscillator
AssigneeGeneral Atomics
InventorGerald D. Rogerson
Life of this patent
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Abstract
An oscillator includes a common logic circuit and a plurality of delay lines. Each delay line is configured to receive a state transition at its input terminal and to output a corresponding state transition at its output terminal after a corresponding delay. An output terminal of each delay line is in electrical circuit with a corresponding input terminal of the common logic circuit, and the input terminal of each of the delay lines is in selectable electrical circuit with the output terminal of the common logic unit. The common logic circuit is configured to output a state transition at its output terminal in response to a state transition at any one of the input terminals of the common logic circuit.
Claims32
An oscillator comprising:
- a common logic circuit having an output terminal and a plurality n of input terminals;
- and
- a plurality n of delay lines, each delay line having an input terminal and an output terminal,
- wherein each delay line is further configured to receive a state transition at its input terminal and to output a corresponding state transition at its output terminal after a corresponding delay, and
- wherein an output terminal of each delay line is in electrical circuit with a corresponding input terminal of the common logic circuit, and
- wherein the input terminal of each of the delay lines is in selectable electrical circuit with the output terminal of the common logic unit, and
- wherein the common logic circuit is configured to output a state transition at its output terminal in response to a state transition at any one of the plurality of input terminals of the common logic circuit.
A burst generator comprising:
- an oscillator including:
- a common logic circuit having an output terminal and a plurality n of input terminals;
- and
- a plurality n of delay lines, each delay line having an input terminal and an output terminal, and
- a gate configured to control an amplitude of an output of the oscillator to produce a burst,
- wherein each delay line is further configured to receive a state transition at its input terminal and to output a corresponding state transition at its output terminal after a corresponding delay, and
- wherein an output terminal of each delay line is in electrical circuit with a corresponding input terminal of the common logic circuit, and
- wherein the input terminal of each of the delay lines is in selectable electrical circuit with the output terminal of the common logic unit, and
- wherein the common logic circuit is configured to output a state transition at its output terminal in response to a state transition at any one of the plurality of input terminals of the common logic circuit, and
- wherein a bandwidth of the burst is at least two percent of the center frequency of the burst.
A transmitter comprising:
- an oscillator including:
- a common logic circuit having an output terminal and a plurality n of input terminals;
- and
- a plurality n of delay lines, each delay line having an input terminal and an output terminal,
- a gate configured to control an amplitude of an output of the oscillator to produce a burst, and
- a signal launcher configured to transmit the burst over a transmission medium,
- wherein each delay line is further configured to receive a state transition at its input terminal and to output a corresponding state transition at its output terminal after a corresponding delay, and
- wherein an output terminal of each delay line is in electrical circuit with a corresponding input terminal of the common logic circuit, and
- wherein the input terminal of each of the delay lines is in selectable electrical circuit with the output terminal of the common logic unit, and
- wherein the common logic circuit is configured to output a state transition at its output terminal in response to a state transition at any one of the plurality of input terminals of the common logic circuit, and
- wherein a bandwidth of the burst is at least two percent of the center frequency of the burst.
Dependencies are inferred from the claim text.