Electrostatic surge protection circuit of signal port and electronic equipment

The invention discloses an electrostatic surge protection circuit of a signal port and electronic equipment. The electrostatic surge protection circuit of the signal port comprises a protection module and a level conversion module. The input end of the protection module serves as the input end of th...

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Bibliographic Details
Main Authors CAI JINBO, HUANG ZHENGCHUN
Format Patent
LanguageChinese
English
Published 17.12.2021
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Summary:The invention discloses an electrostatic surge protection circuit of a signal port and electronic equipment. The electrostatic surge protection circuit of the signal port comprises a protection module and a level conversion module. The input end of the protection module serves as the input end of the electrostatic surge protection circuit of the signal port, and the grounding end of the protection module is connected with a ground signal. The protection module is used for conducting a transmission path between the input end and the grounding end of the protection module when static electricity and/or surge occur; The control end of the level conversion module is electrically connected with the output end of the protection module, a first input end of the level conversion module is connected with a power supply signal, the second input end of the level conversion module is connected with a ground signal, and the output end of the level conversion module is electrically connected with a signal port of an integr
Bibliography:Application Number: CN202111192817