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A time-delay adjustor

The technology of an adjuster and a delay module is applied to the delay adjustment of multi-band and wide-range data codes. It can solve the problems of low precision and narrow working frequency range of the delay adjuster, and achieve the effects of low system power consumption, expanding the frequency range, the adjustment range of the delay, and the simple adjustment of the delay.

Active Publication Date: 2015-08-05
GUILIN UNIV OF ELECTRONIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the existing delay adjuster has the problems of narrow working frequency range and low precision, and a delay adjuster is provided, which is used for wide range and high-precision delay adjustment of input data codes

Method used

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Embodiment Construction

[0029] In order to make the purpose, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] A delay adjuster such as figure 1 As shown, it is mainly composed of a frequency band A mode delay module, a frequency band B mode delay module, a frequency band C mode delay module, a frequency band D mode delay module, a total data selector module and an output buffer module. The input of the band A mode delay module forms the input of the delay adjuster. An output end of the frequency band A mode delay module is connected to the input end of the frequency band B mode delay module, an output end of the frequency band B mode delay module is connected to an input end of the frequency band C mode delay module, and the frequency band C mode delay module An output end of the frequency band D mode delay module is connected to the input end....

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Abstract

The invention discloses a time-delay adjustor, wherein an input end of a frequency band A mode time-delay module thereof is used for forming an input end of the time-delay adjustor, and one output end of the frequency band A mode time-delay module is connected with an input end of a frequency band B mode time-delay module, and one output end of the frequency band B mode time-delay module is connected with an input end of a frequency band C mode time-delay module, and one output end of the frequency band C mode time-delay module is connected with an input end of a frequency band D mode time-delay module; the other output ends of the frequency band A mode time-delay module, the frequency band B mode time-delay module, the frequency band C mode time-delay module, the frequency band D mode time-delay module are connected with an input end of a total data selector module; an output end of the total data selector module is connected with an input end of an output buffer module; an output end of the output buffer module is used for forming an output end of the time-delay adjustor. The time-delay adjustor of the invention can be used for performing wide-range, high-precision delay adjustment to an input data code.

Description

technical field [0001] The invention relates to a delay adjuster, in particular to a delay adjustment of multi-band wide-range data codes. Background technique [0002] With the rapid development of electronic technology, people have higher and higher requirements on the speed of signal transmission, and in the process of testing high-speed digital systems, it is often necessary to adjust the delay of two or more signals in order to achieve related testing , the delay adjuster is an important unit of the test process, and the test results are largely restricted by the delay adjuster. [0003] At present, there are various structures of delay adjusters, such as bypass capacitor structure, current non-compensated inverter structure, and variable resistance structure. However, the working frequency band of a general delay adjuster is limited to a specific range, and cannot simultaneously take into account low frequency, middle frequency and high frequency. In addition, its ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40H03K5/13
Inventor 段吉海鲜卓霖郝强宇邓东宇徐卫林韦保林
Owner GUILIN UNIV OF ELECTRONIC TECH
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