Systems and methods for providing an envelope tracking supply voltage
US-11923806-B2 · Mar 5, 2024 · US
Transmitter
US9112596B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9112596-B2 |
| Application number | US-201414155663-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 15, 2014 |
| Priority date | Jan 15, 2013 |
| Publication date | Aug 18, 2015 |
| Grant date | Aug 18, 2015 |
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Abstract
Official abstract text for this publication.
Embodiments provide methods, apparatus and computer software for use in calibrating a transmitter in operative association with a variable supply voltage. A phase distortion of the power amplifier is determined for a given instantaneous power. On the basis of the determined phase distortion for the power amplifier at the given instantaneous power, the transmitter is calibrated. Examples of transmitters in respect of which embodiments may be practiced include envelope tracking transmitters, envelope elimination and restoration transmitters, and polar transmitters.
First claim
Opening claim text (preview).
We claim: 1. A method for calibrating a transmitter comprising a power amplifier in operative association with a variable supply voltage, the method comprising: determining a phase distortion of the power amplifier at a given instantaneous power by comparing a measurement of a signal supplied prior to the power amplifier to a measurement of a signal output from the power amplifier; and calibrating the transmitter on a basis of the determined phase distortion, wherein the deter…
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Classifications
- H03F1/3241Primary
Electricity · mapped topic
- H04B17/001Primary
Electricity · mapped topic
Electricity · mapped topic
- H04B17/12Primary
Electricity · mapped topic
- H04B1/0475Primary
Electricity · mapped topic
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- What does patent US9112596B2 cover?
- Embodiments provide methods, apparatus and computer software for use in calibrating a transmitter in operative association with a variable supply voltage. A phase distortion of the power amplifier is determined for a given instantaneous power. On the basis of the determined phase distortion for the power amplifier at the given instantaneous power, the transmitter is calibrated. Examples of tran…
- Who is the assignee on this patent?
- Broadcom Corp
- What technology area does this patent fall under?
- Primary CPC classification H03F1/3241. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 18 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).