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Nonlinear Calibration Method and Device

A calibration method and technology of a calibration device are applied in the field of performance control of nonlinear systems, which can solve the problems that traditional ADC cannot quickly reach a state that can be used by the system, increase the chip area, and have complex algorithms, and achieve the effect of shortening the waiting time.

Inactive Publication Date: 2015-08-19
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example: the algorithms of related technologies may be too complex, resulting in a substantial increase in chip area
Another example: After the power of the system containing the traditional ADC is turned on, the above-mentioned traditional ADC cannot quickly reach a state that can be used by the system
In summary, related technologies seem to be unable to propose a truly effective solution without any side effects, so a novel method is needed to perform nonlinear calibration on nonlinear systems to remove the influence of nonlinear characteristics

Method used

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  • Nonlinear Calibration Method and Device
  • Nonlinear Calibration Method and Device
  • Nonlinear Calibration Method and Device

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Embodiment Construction

[0015] Certain words are used in the specification and claims to refer to specific elements. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish elements, but use differences in functions of elements as a criterion for distinguishing. The "including" mentioned in the entire specification and claims is an open term, so it should be interpreted as "including but not limited to." In addition, the term "coupling" here includes any direct and indirect electrical connection means. Therefore, if the text describes that the first device is coupled to the second device, it means that the first device can be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connecting means.

[0016] Please refer to Figure 1A , Figure 1A It is a schematic diagr...

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Abstract

A method for performing nonlinearity calibration includes the steps of: obtaining temporarily values of a plurality of compensation parameters by performing a perturbation-based calibration process on a nonlinear system with at least one predetermined input being applied to the nonlinear system; and updating the compensation parameters by performing the perturbation-based calibration process in an online manner, wherein the temporarily values are utilized as initial values of the compensation parameters for the step of updating the compensation parameters. In addition, the compensation parameters are utilized for controlling a compensation response of the perturbation-based calibration process. An associated apparatus is also provided.

Description

Technical field [0001] The present invention relates to a method of performance control of a nonlinear system, and particularly relates to a method of non-linearity calibration and related devices. Background technique [0002] The nonlinear characteristics of a component, such as an analog-to-digital converter (ADC), is an important issue for some applications. In related technologies, although there are some solutions proposed due to nonlinear characteristics, there may still be other problems. For example: the algorithm of the related technology may be too complicated, resulting in a substantial increase in chip area. For another example, after the power of the system including the traditional ADC is turned on, the above-mentioned traditional ADC cannot quickly reach a state that can be used by the system. In summary, related technologies seem to be unable to provide a truly effective solution without any side effects. Therefore, a novel method is needed to calibrate the non...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03M1/10
CPCH03M1/1033G01R35/005G01R19/25
Inventor 钟勇辉
Owner MEDIATEK INC