Circuits and methods for varying the linearity of a low noise amplifier
AssigneeSkyworks Solutions, Inc.
InventorsSabah Khesbak, Peihua Ye, Thomas Obkircher, Mark Alan Richey
Life of this patent
Estimating the term…
Abstract
A wireless device has an antenna and a radio frequency front-end including a variable low noise amplifier with a plurality of linearity configurations. The radio frequency front-end is configured to vary the linearity configuration corresponding to a variable status of a plurality of statuses of the wireless device.
Claims20
A device including a radio frequency front-end, the device comprising:
- an antenna;
- and
- a radio frequency front-end including a variable radio frequency amplifier in a linearity configuration of a plurality of linearity configurations for the variable radio frequency amplifier, the radio frequency front-end configured to vary the linearity configuration for the variable radio frequency amplifier corresponding to a variable status of a plurality of statuses of the device.
A method of operating a device including a variable radio frequency amplifier, comprising:
- determining whether the device is in a first status or in a second status of a plurality of statuses for the device;
- and
- based on whether the device is in the first status or the second status, varying a linearity configuration for the variable radio frequency amplifier corresponding to a variable status of a plurality of statuses of the device.
A variable radio frequency amplifier configured to amplify a radio frequency input signal to generate an radio frequency output signal according to a linearity configuration of a plurality of linearity configurations for the variable radio frequency amplifier, the variable radio frequency amplifier comprising a plurality of inputs, the plurality of inputs including:
- a first input configured to receive the radio frequency input signal;
- and
- a second input configured to receive a signal corresponding to a variable status of a plurality of statuses of a device.
Dependencies are inferred from the claim text.