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A compensation circuit and method for linearity of input and output voltage swing

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: 2022-07-01
NEWCOSEMI BEIJING TECH CO LTD
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  • Description
  • Claims
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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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  • A compensation circuit and method for linearity of input and output voltage swing
  • A compensation circuit and method for linearity of input and output voltage swing

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Embodiment Construction

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

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0023] In order to make the above objects, features and advanta...

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Abstract

The present application provides an input and output voltage swing linearity compensation circuit and method, wherein the compensation circuit includes: a monitor, a control module and a driver; the monitor is used to monitor the voltage swing to be sent by the sending end, and then the The control module obtains a control command for adjusting the voltage swing according to the input and output voltage swing linearity requirements, and finally the driver adjusts the output voltage swing according to the control command to obtain an output voltage that meets the input and output voltage swing linearity requirements. . In this application, the nonlinearity caused by the device in the digital control compensation circuit can be used to make the input and output voltage swing linearity reach a completely ideal state; it can also be appropriately excessively compensated so that the output voltage processed by the latter-stage device of the circuit also satisfies the input and output voltage swing. Amplitude linearity requirements.

Description

technical field [0001] The present application relates to the technical field of electronic circuits, and in particular to a circuit and method for compensating the linearity of input and output voltage swings. Background technique [0002] Electronic circuit systems generally have requirements on output voltage swing, which is related to circuit structure, device size, power supply voltage, speed, and gain. The input and output voltage swing linearity is often an important indicator of electronic circuit systems. Therefore, how to make the input and output voltage swing linearity meet the requirements is a key issue that needs to be considered in electronic circuit design. [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 to meet the requirements of the linearity of the input and output voltage swings. This analog approach typically requires high power c...

Claims

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Application Information

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