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Jitter injection method and device and storage medium

An injection device and target technology, applied in transmission monitoring, electrical components, transmission systems, etc., can solve the problem of low accuracy of jitter injection, and achieve the effect of improving accuracy

Active Publication Date: 2022-02-08
ZHONGXING LIANHUA TECH BEIJING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a jitter injection method, device and storage medium, which are used to solve the defect of low jitter injection accuracy in the prior art, and achieve the purpose of improving the jitter injection accuracy

Method used

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  • Jitter injection method and device and storage medium
  • Jitter injection method and device and storage medium
  • Jitter injection method and device and storage medium

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] Combine below Figure 1-Figure 2 Describe the jitter injection method of the present invention.

[0034] In one embodiment, such as figure 1 As shown, a jitter injection method is provided, including the following steps:

[0035] Step 102, in the set of candidate jitter injection strategies, obtain a set of target jitter injection strategies.

[0036] Wherein, the target jitter inj...

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Abstract

The invention provides a jitter injection method and device and a storage medium, and the method comprises the steps: obtaining a target jitter injection strategy set from a candidate jitter injection strategy set; obtaining a target jitter set based on each target jitter injection strategy in the target jitter injection strategy set; injecting each target jitter in the target jitter set into a jitter adjusting circuit in a multi-channel form according to the jitter frequency range to obtain a reference clock frequency; generating a high-speed code stream according to the reference clock frequency; and inputting the high-speed code stream into a target circuit, so that the target circuit performs a jitter tolerance test by using the high-speed code stream. By adopting the method, the aim of improving the jitter injection accuracy can be achieved.

Description

technical field [0001] The present invention relates to the technical field of integrated circuits, in particular to a jitter injection method, device and storage medium. Background technique [0002] With the development of integrated circuit technology, its application has spread in almost all fields. Integrated circuits have to undergo various tests before they leave the factory or are officially put into use. One of the important tests is the jitter tolerance test. By injecting jitter into the integrated circuit, it can Judging the tolerance of the integrated circuit to jitter, so as to determine the performance of the integrated circuit. [0003] The jitter injection method in the prior art is generally implemented in the form of a delay line. Since the noise floor level of the delay line is poor, the jitter injection method using the delay line will also deteriorate the quality of the output signal without adding jitter. The problem of low accuracy of jitter injection...

Claims

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Application Information

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IPC IPC(8): H04B17/364
CPCH04B17/364
Inventor 尹项托程军强
Owner ZHONGXING LIANHUA TECH BEIJING CO LTD