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Compensation circuit and method for input and output voltage swing linearity

An output voltage and voltage swing technology, which is applied in the field of compensation circuits for input and output voltage swing linearity, and can solve the problems of high power consumption and the inability of input and output voltage swing linearity to reach a completely ideal state.

Active Publication Date: 2022-05-13
NEWCOSEMI BEIJING TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This analog method usually requires high power consumption and cannot achieve perfect input and output voltage swing linearity

Method used

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  • Compensation circuit and method for input and output voltage swing linearity
  • Compensation circuit and method for input and output voltage swing linearity

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Embodiment Construction

[0021] This application provides a compensation circuit and method for the linearity of input and output voltage swings. The purpose of the invention is: how to make the output voltage meet the linearity requirements of the input and output voltage swings while reducing power consumption, so as to ensure that the input and output voltages The swing linearity is completely ideal.

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0023] In order to make the above-mentioned purpose, features and advantages of the present application...

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Abstract

The invention provides an input and output voltage swing linearity compensation circuit and method, and the circuit comprises a sound monitor, a control module, and a driver. The monitor monitors the voltage swing to be sent by the sending end, then the control module obtains a control instruction for adjusting the voltage swing according to the linearity requirement of the input and output voltage swing, and finally the driver adjusts the output voltage swing according to the control instruction. And the output voltage meeting the input and output voltage swing linearity requirement is obtained. According to the invention, nonlinearity caused by devices in a digital control compensation circuit is utilized, so that the input and output voltage swing linearity can reach a completely ideal state; and appropriate excessive compensation can also be carried out, so that the output voltage processed by a post-stage device of the circuit also meets the input and output voltage swing linearity requirement.

Description

technical field [0001] The present application relates to the technical field of electronic circuits, in particular to a compensation circuit and method for linearity of input and output voltage swings. Background technique [0002] Electronic circuit systems generally have requirements for the output voltage swing, and the output voltage swing is related to the circuit structure, device size, power supply voltage, speed, gain, etc. The input and output voltage swing linearity is often an important indicator of electronic circuit systems. Therefore, how to make the linearity of the input and output voltage swings meet the requirements is a problem that needs to be considered in the design of electronic circuits. [0003] In the current prior art, the method of adjusting the analog design in the circuit is mainly used to adjust the linearity of the input and output voltage swings, so as to meet the requirement of the linearity of the input and output voltage swings. This an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/625
CPCG05F1/625
Inventor 郑慧皮德义朱炳强
Owner NEWCOSEMI BEIJING TECH CO LTD