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A device for adding vibration to the rising edge of the sequence pulse

A technology of sequence pulses and pulse signals, which is applied in the field of devices that add jitter to the rising edge of the sequence pulse part, to achieve the effect of excellent jitter resolution

Active Publication Date: 2019-06-14
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no technology in domestic public documents to add jitter to the sequence pulse signal to test the equipment under test.

Method used

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  • A device for adding vibration to the rising edge of the sequence pulse
  • A device for adding vibration to the rising edge of the sequence pulse
  • A device for adding vibration to the rising edge of the sequence pulse

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0034] figure 1 It is a functional block diagram of a device for adding vibration to the rising edge of the sequence pulse part in the present invention.

[0035] In this example, if figure 1 As shown, the present invention is a device for shaking the rising edge of a sequence pulse part, including: a delay compensation circuit 1 and a delay compensation circuit 2, a synchronization circuit, a signal interception circuit 1 and a signal interception circuit 2, a rising edge detection circuit and a falling edge detection circuit, address controller, jitter data storage circuit, delay circuit, head delay control circuit, edge synthesis circuit and data synthesis circuit;

[0036] Each sub-module is described in detail below:

[0037] Delay compensation circuit 1, used to receive sequence pulse signal D IN , and for the sequence pulse signal D IN Perform delay compensation so that the rising edge of the output signal of the synchronous circuit is ahead of the sequence pulse si...

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PUM

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Abstract

The invention discloses a device for adding jitter to the rising edge of the sequence pulse part, which intercepts the input sequence pulse through the synchronized gating signal to obtain the part that needs to be jittered on the rising edge and the part that does not need to be jittered outside the gating signal. For the part of the sequence pulse waveform that needs to be loaded with jitter, it is decomposed into a rising edge signal and a falling edge signal, and the jitter is converted into a delay timing control load to the rising edge. The rising edge signal is used as a trigger clock and the falling edge signal is used as a reset signal so that the sequence pulse is rising. Pull high when the edge comes, and pull low when the falling edge comes, to realize the waveform synthesis after the rising edge of the part of the sequence pulse signal is dithered, and obtain the complete part of the sequence pulse signal with the rising edge and dither.

Description

technical field [0001] The invention belongs to the technical field of digital testing, and more specifically relates to a device for adding vibration to the rising edge of a sequence pulse part. Background technique [0002] In recent years, under the background of the rapid development of electronic technology, digital equipment has also been continuously developed, and it has shown its uniqueness and shortage in the fields of communication and navigation. Judging from the current situation, the development of digital equipment is accompanied by the development of semiconductor devices, evolving towards integration and intelligence, and presents high precision, high integration, multi-functionality, human-computer interaction, and programmability. characteristics of development. At the same time, the development of semiconductor technology and integration technology has also promoted the innovation of digital technology, and the development of digital technology largely r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K5/135
CPCH03K5/135
Inventor 付在明刘航麟黄建国赵贻玖
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA