Method for achieving analog-to-digital conversion, and associated apparatus

A technology of analog-to-digital conversion and analog-to-digital converter, applied in the direction of analog-to-digital converter, analog/digital conversion, code conversion, etc., can solve the problems of expensive tool manufacturing costs and labor costs, reduce related costs and expenses, and achieve high-speed analog The effect of number conversion

Inactive Publication Date: 2010-07-07
MEDIATEK INC +1
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  • Abstract
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  • Claims
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However, using traditional methods req

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  • Method for achieving analog-to-digital conversion, and associated apparatus
  • Method for achieving analog-to-digital conversion, and associated apparatus
  • Method for achieving analog-to-digital conversion, and associated apparatus

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[0018] Certain terms are used throughout the specification and claims to refer to particular elements. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same element. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. "Includes" mentioned throughout the specification and claims is an open-ended term, so it should be interpreted as "including but not limited to". Additionally, the term "coupled" herein includes any direct as well as indirect means of electrical connection. Therefore, if it is described that the first device is coupled to the second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0019] Please refer to figure 1 , fig...

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Abstract

The invention provides a method for achieving analog-to-digital conversion and associated apparatus. The analog-to-digital conversion apparatus comprises a digital module for receiving the digtal outputS of a plurality of pipelined analog-to-digital converters (ADC) that perform analog-to-digital conversion on a same analog signal. In addition, the digital module comprises a plurality of digital calculation pathes respectively corresponding to the pipelined ADCs, wherein each digital calculation path corresponding to an associated pipelined ADC of the pipelined ADCs is electrically connected with the associated pipelined ADC. The digital module performs digital calculations on the digital outputs to generate a calibrated digital output. The method and apparatus can realize high-speed analog-to-digital conversion without reducing the precision of analog-to-digital conversion not by high-precision low-speed ADC as the tool.

Description

technical field [0001] The present invention relates to an analog-to-digital conversion method and an analog-to-digital conversion device, in particular to an analog-to-digital conversion method and an analog-to-digital conversion device that can realize high-speed analog-to-digital conversion without reducing precision. Background technique [0002] According to the prior art, an analog-to-digital converter (analog-to-digital converter, hereinafter referred to as ADC) with high precision usually needs to be implemented with highly complex circuits. In addition, the analog-to-digital conversion rates of high-precision ADCs are often too low to meet the needs of many applications. In order to realize a high-speed and low-complexity ADC, a traditional method usually uses a high-precision low-speed ADC as a tool to calibrate the low-complexity ADC. However, using the conventional method requires expensive tool manufacturing costs as well as labor costs. Therefore, there is a ...

Claims

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Application Information

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IPC IPC(8): H03M1/62
CPCH03M1/44H03M1/1042H03M1/0695
Inventor 洪立翰李泰成
Owner MEDIATEK INC
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