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US 7,072,430 B2Granted
Techniques to provide increased voltage swings in oscillators
AssigneeIntel Corporation
InventorKenn Christensen
Life of this patent
Estimating the term…
Abstract
Briefly, an oscillator device with impedance elements to prevent premature improper biasing of transistor nodes and to increase the maximum possible peak-to-peak signal swing.
Claims21
A system comprising:
- a signal retimer device to regenerate a first signal based on a clock signal, wherein the signal retimer device comprises a clock generator to provide the clock signal and wherein the clock generator comprises:
- a first transistor device including first, second, and third terminals,
- a second transistor device including first, second, and third terminals,
- a first impedance device to couple the second terminal of the second transistor device to the first terminal of the first transistor device, and
- a second impedance device to couple the second terminal of the first transistor device to the first terminal of the second transistor device, wherein the first
- impedance device comprises a capacitive element and a resistive element, wherein each of the capacitive element and the resistive element includes first and second terminals, wherein the first terminal of the capacitive element and the first terminal of the resistive element are each coupled to the second terminal of the second transistor device, and wherein the second terminal of the capacitive element and the second terminal of the resistive element are each coupled to the first terminal of the first transistor device, and
- the second impedance device comprises a capacitive element and a resistive element, wherein each of the capacitive element and the resistive element includes first and second terminals, wherein the first terminal of the capacitive element and the first terminal of the resistive element are each coupled to the second terminal of the first transistor device, and wherein the second terminal of the capacitive element and the second terminal of the resistive element are each coupled to the first terminal of the second transistor device;
- a data processor to receive the regenerated first signal;
- and
- an interface device to exchange signals with the data processor.
7 more elements
A system comprising:
- an optical-to-electrical converter to convert optical signals to electrical format and provide a first signal in electrical format;
- a signal retimer device to regenerate the first signal based on a clock signal, wherein the signal retimer device comprises a clock generator to provide the clock signal and wherein the clock generator comprises:
- a first transistor device including first, second, and third terminals,
- a second transistor device including first, second, and third terminals,
- a first impedance device to couple the second terminal of the second transistor device to the first terminal of the first transistor device, and
- a second impedance device to couple the second terminal of the first transistor device to the first terminal of the second transistor device, wherein the first impedance device comprises a capacitive element and a resistive element, wherein each of the capacitive element and the resistive element includes first and second terminals, wherein the first terminal of the capacitive element and the first terminal of the resistive element are each coupled to the second terminal of the second transistor device, and wherein the second terminal of the capacitive element and the second terminal of the resistive element are each coupled to the first terminal of the first transistor device, and
- the second impedance device comprises a capacitive element and a resistive element, wherein each of the capacitive element and the resistive element includes first and second terminals, wherein the first terminal of the capacitive element and the first terminal of the resistive element are each coupled to the second terminal of the first transistor device, and wherein the second terminal of the capacitive element and the second terminal of the resistive element are each coupled to the first terminal of the second transistor device;
- a data processor to receive the regenerated first signal;
- an interface device to exchange signals with the data processor;
- and
- a switch fabric communicatively coupled to the interface device.
8 more elements
Dependencies are inferred from the claim text.