Distortion cancellation for low noise amplifier (LNA) non-linear second order products

US9178473B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9178473-B2
Application numberUS-201314133719-A
CountryUS
Kind codeB2
Filing dateDec 19, 2013
Priority dateDec 19, 2013
Publication dateNov 3, 2015
Grant dateNov 3, 2015

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Abstract

Official abstract text for this publication.

A device includes a main low noise amplifier (LNA) stage configured to amplify a single-ended communication signal, an auxiliary LNA stage coupled to the main LNA stage, the auxiliary LNA stage configured to cancel non-linear second order products generated by the main LNA stage, and a load circuit configured to receive an output of the main LNA stage and an output of the auxiliary LNA stage, the load circuit configured to convert the single-ended communication signal to a differential signal.

First claim

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What is claimed is: 1. A device, comprising: a main low noise amplifier (LNA) stage configured to amplify a single-ended communication signal; an auxiliary LNA stage coupled to the main LNA stage, the auxiliary LNA stage configured to cancel non-linear second order products generated by the main LNA stage; and a load circuit configured to receive an output of the main LNA stage and an output of the auxiliary LNA stage, the load circuit configured to convert the single-ended co…

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What does patent US9178473B2 cover?
A device includes a main low noise amplifier (LNA) stage configured to amplify a single-ended communication signal, an auxiliary LNA stage coupled to the main LNA stage, the auxiliary LNA stage configured to cancel non-linear second order products generated by the main LNA stage, and a load circuit configured to receive an output of the main LNA stage and an output of the auxiliary LNA stage, t…
Who is the assignee on this patent?
Qualcomm Inc
What technology area does this patent fall under?
Primary CPC classification H03F1/223. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Nov 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).