a delay adjuster

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

Active Publication Date: 2018-02-02
GUILIN UNIV OF ELECTRONIC TECH
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  • Claims
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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

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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. One output end of the frequency band A mode delay module is connected to the input end of the frequency band B mode delay module, one output end of the frequency band B mode delay module is connected to the 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 e...

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Abstract

The invention discloses a delay adjuster, the input end of the frequency band A mode delay module forms the input end of the delay adjuster; an output end of the frequency band A mode delay module is connected with the input end of the frequency band B mode delay module Connected, one output end of the frequency band B mode delay module is connected with the input end of the frequency band C mode delay module, one output end of the frequency band C mode delay module is connected with the input end of the frequency band D mode delay module; the frequency band A mode delay module The other output end of the time module, the frequency band B mode delay module, the frequency band C mode delay module and the frequency band D mode delay module is connected to the input end of the total data selector module; the output end of the total data selector module is connected to the output buffer The input end of the module; the output end of the output buffer module forms the output end of the delay adjuster. The invention is used for adjusting the input data code in a wide range and with high precision.

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 Patents(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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