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Method and system for testing data signal amplifier having output signal power dependent upon multiple power control parameters

A technology for signal amplifiers and control parameters, applied in the field of test data signal amplifiers, can solve problems such as equipment differences, test operations that cannot accurately simulate normal operations, etc.

Inactive Publication Date: 2012-02-22
LITEPOINT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While expected amplifier temperatures can be simulated, there are still differences between devices
Also, due to the rapid power changes implemented during the test, the internal temperature of the amplifier 10 may have changed during these changes, while the system temperature measured at different locations within the device was not significantly affected by the rapid test
Therefore, test operation does not accurately simulate normal operation

Method used

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  • Method and system for testing data signal amplifier having output signal power dependent upon multiple power control parameters
  • Method and system for testing data signal amplifier having output signal power dependent upon multiple power control parameters
  • Method and system for testing data signal amplifier having output signal power dependent upon multiple power control parameters

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Embodiment Construction

[0044] The following detailed description is of exemplary embodiments of the presently claimed invention given with reference to the accompanying drawings. Such description is intended to be illustrative, not limiting of the scope of the invention. Such embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, it being understood that other embodiments may be practiced with variations without departing from the spirit or scope of the invention.

[0045] Throughout this disclosure, it should be understood that the various circuit elements described may be singular or plural in number, if no apparent contradiction appears from the context. For example, the terms "circuitry" and "wiring" may include a single component or multiple components that are active and / or passive and connected or coupled together (eg, as one or more integrated circuit chips) to provide the described functionality. Additionally, the term "signal" may refe...

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Abstract

A method and apparatus for testing a data signal amplifier having an output signal power dependent upon multiple signal power control parameters, e.g., signal gain control and amplifier bias current control.

Description

technical field [0001] The present invention relates to methods and systems for testing data signal amplifiers, and more particularly to methods and systems for testing data signal amplifiers capable of multiple output signal power levels in order to minimize power consumption. Background technique [0002] Contemporary (3G) cellular telephones provide, among other things, faster connection speeds to the Internet. These higher connection speeds are achieved through more complex modulation and stricter requirements for precise signal power levels. At the same time, since such devices are usually powered by batteries, these devices also need to minimize their power consumption. [0003] Therefore, to meet these conflicting requirements for high performance while consuming the lowest possible amount of power, these devices use a number of techniques to minimize power consumption, including minimizing current consumption in radio frequency (RF) circuits. Some examples include ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/28G01R31/316
CPCH04B17/102
Inventor C·V·欧拉加德W·艾尔-哈桑C·安德森
Owner LITEPOINT CORP