Circuit boards and terminal equipment that improve antenna radiation performance

A technology of terminal equipment and circuit boards, which is applied to sub-office equipment, antenna grounding devices, and structural forms of radiation elements, etc. It can solve the problems of antenna radiation stray exceeding the standard and stray exceeding the standard, and achieve the effect of reducing radiation stray

Active Publication Date: 2020-03-10
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

When the third harmonic energy of the radio frequency signal reaches the third resonance of the antenna, these useless harmonic energy will be radiated out, resulting in excessive spurious
[0004] With the advent of the full-screen era of mobile phones and other electronic devices, many nonlinear devices can only be placed at the top and bottom of the electronic device, getting closer and closer to the antennas that are also placed at the top and bottom. These nonlinear devices often lead to Solved the problem of the radiation spurious of the antenna exceeding the standard

Method used

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  • Circuit boards and terminal equipment that improve antenna radiation performance
  • Circuit boards and terminal equipment that improve antenna radiation performance
  • Circuit boards and terminal equipment that improve antenna radiation performance

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] In the description of the embodiments of the present invention, it should be understood that the orientation or positional relationship indicated by the term "thickness" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than implying Or an indication that the device or element referred to must have a particular orientati...

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Abstract

The invention provides a terminal device, the terminal device comprises a circuit board, an antenna and a component, the antenna and the component are respectively located at two sides of the circuitboard, the component is mounted on the circuit board, and a grounding part is arranged on a position in at least part region corresponding to the component on the circuit board. The invention also provides a circuit board. According to the terminal device provided by the invention, the grounding part is arranged at a part where the element is mounted on the circuit board, thus, signal interferenceof the component to the antenna at the other side of the circuit board can be shielded, and spurious radiation of the antenna is reduced.

Description

technical field [0001] The invention relates to a circuit board structure of an electronic device, in particular to a circuit board capable of improving antenna radiation performance and a terminal device with the circuit board. Background technique [0002] Radiation spurious, as the current mandatory certification index for electronic equipment, is the most complicated and difficult problem among all certifications. Especially for the GSM frequency band, because its own power is particularly high, it is easy to excite strong energy in an instant, which will cause the radiation of spurious harmonics to exceed the standard. In actual use, we also mainly encounter that the third harmonic of GSM900 is easy to exceed the standard, and the second or third harmonic of GSM1800 exceeds the standard. [0003] For radio frequency signals, the transmitted signal will not only contain usable signals (GSM900), but also often contain second (1800GHz) / third harmonic components (2700GHz),...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/02H04B1/3827H01Q1/38H01Q1/48
CPCH01Q1/38H01Q1/48H04B1/3838H04M1/026H04M1/0277
Inventor 杨怀
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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