Phase self-correcting circuit

Abstract

The invention discloses a phase self-correcting circuit. The phase self-correcting circuit comprises a trigger signal operation module and a signal phase correcting module, the trigger signal operation module and the signal phase correction module are both composed of a plurality of discrete components. The trigger signal operation module is used for performing logical operation on the input phasestandard reference signal and the actual transmission signal to obtain a target trigger signal of the trigger signal phase correction module; the signal phase correction module is used for outputtinga self-correction transmission signal with the same waveform as the phase standard reference signal based on the trigger mode of the target trigger signal and the actual transmission signal; the phase self-correction of the actual transmission signal is realized, so that the change of the signal phase caused by various external reasons is automatically corrected, the time sequence requirement ina long-distance transmission scene is met, and the whole circuit is simple in structure, high in universality and low in manufacturing cost.

Description

technical field [0001] The present application relates to the technical field of signal transmission, in particular to a phase self-correcting circuit. Background technique [0002] As we all know, the change of the signal phase usually reflects a physical change caused by the external interference of the signal in the transmission line. For example, as various external factors such as electromagnetic interference cause interference, the phase of the signal will change accordingly. Leading, there may also be a lag, and the change of the phase usually leads to timing confusion, which is not conducive to the stable transmission of signals. It can be seen that it is very necessary to correct the changed phase or prevent the phase change to ensure stable signal transmission. [0003] In related technologies, reducing the length of the path, adding electromagnetic shielding components, or grounding the signal to prevent the phase change during signal transmission, limiting the l...

AI Technical Summary

Problems solved by technology

[0003] In related technologies, reducing the length of the path, adding electromagnetic shielding components, or grounding the signal to prevent the phase change during signal transmission, limiting the length of the trace, increasing the space for PCB traces, and adding additional shielding measures not only It will limit the practical application scenarios, have poor versatility, and cannot completely eliminate the phase change, and will increase additional manufacturing costs

Another related technology uses an integrated IC chip for clock reconstruction in the terminal, and uses the chip to perform signal reconstruction processing in the terminal to achieve phase correction. The integrated IC chip is expensive and increases the manufacturing cost of the entire circuit system.

[0004] In view of this, how to solve the problems of poor versatility and high manufacturing cost of related technologies is a technical problem to be solved by those skilled in the art

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