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US 2022/0345089 A1Published application
Configurable phase tuned multi-gain lna architecture
AssigneepSemi Corporation
InventorsEmre AYRANCI, Phanindra YERRAMILLI
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Abstract
Methods and systems for a multi gain LNA architecture achieving minimum phase discontinuity between all the different active and passive gain modes that uses different LNA configurations and settings for single and multi-stage LNAs by a configurable combined output matching and phase adjusting circuitry.
Claims22
A device comprising:
- a first gain path with a first gain and a first circuit component;
- a second gain path with a second gain different than the first gain and a second circuit component separate from the first circuit component;
- a phase shift sub-circuit on the second gain path wherein the phase shift sub-circuit includes the second circuit component and the second circuit component performs output matching for the device on the second gain path;
- wherein the first gain path comprises a first low noise amplifier with a first active device, or the second gain path comprises a second low noise amplifier with a second one active device, or the first gain path comprises the first low noise amplifier with the first active device and the second gain path comprises the second low noise amplifier with the second one active device.
1 more element
A method for adding a phase matching sub-circuit to a circuit with multiple gain paths, the method comprising:
- selecting a gain path of the multiple gain paths;
- determining a phase shift to match a phase of the gain path to phases of other gain paths of the multiple gain paths;
- determining a circuit component on the gain path to include in the phase matching sub-circuit;
- selecting a topology of the phase matching sub-circuit based on the phase shift and the circuit component;
- including the phase matching sub-circuit to the circuit.
2 more elements
Dependencies are inferred from the claim text.