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Protection circuit, radio frequency circuit, and electronic equipment

A technology for protecting circuits and radio frequency circuits, applied in the field of radio frequency circuits and electronic equipment, and protection circuits, can solve problems affecting the normal operation of electronic equipment, interfere with circuits, damage, etc., to increase electrostatic discharge capacity, reduce damage and interference, improve The effect of stability

Inactive Publication Date: 2018-01-16
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the use of electronic equipment, electrostatic discharge will damage or interfere with some circuits in electronic equipment, such as radio frequency circuits, etc., affecting the normal operation of electronic equipment

Method used

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  • Protection circuit, radio frequency circuit, and electronic equipment
  • Protection circuit, radio frequency circuit, and electronic equipment
  • Protection circuit, radio frequency circuit, and electronic equipment

Examples

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Embodiment Construction

[0020] Please refer to the drawings in the drawings, in which the same component symbols represent the same components, and the principle of the present application is implemented in an appropriate environment for illustration. The following description is based on the specific embodiments of the present application illustrated, and should not be regarded as limiting other specific embodiments of the present application that are not described in detail herein.

[0021] The word "embodiment" used in this specification means serving as an example, example, or illustration. In addition, the article "a" used in this specification and the appended claims can generally be interpreted as meaning "one or more" unless specified otherwise or clearly directed to the singular form from the context.

[0022] In the description of this application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " "Back", ...

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Abstract

Embodiments of the application disclose a protection circuit, a radio frequency circuit, and electronic equipment. The protection circuit comprises a front-end interface, a back-end circuit and a capacitor, the capacitor is arranged between the front-end interface and the back-end circuit in parallel, one terminal of the capacitor is separately connected with the front-end interface and the rear-end circuit, the other end of the capacitor is connected to the ground, and the capacitor is used for discharging an electrostatic current transmitted by the front-end interface. According to the scheme, the electrostatic discharging capability of the electronic equipment can be increased, the damage to the back-end circuit and the interference with the back-end circuit by static electricity are reduced, and effective electrostatic protection is provided for the electronic equipment.

Description

Technical field [0001] This application relates to the technical field of terminals, and in particular to a protection circuit, a radio frequency circuit, and electronic equipment. Background technique [0002] Electrostatic Discharge (ESD) is a very common natural phenomenon in life. When different materials are in contact with each other, a certain amount of charge may accumulate on the surface, and electrostatic discharge of up to ten thousand volts may occur when encountering other objects. Voltage. Electronic equipment may suffer from this electromagnetic energy damage. With the widespread application of microelectronic components, ESD issues have also been paid more attention. [0003] At present, electronic devices such as mobile phones, laptops, and tablet computers are all very sophisticated electronic devices. For example, nowadays mobile phones are becoming smaller and thinner, and the integration of internal electronic components is also increasing. During the use o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R3/00H04B1/40
Inventor 欧阳明华
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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