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Mobile phone circuit board

A circuit board and mobile phone technology, which is applied to printed circuit parts, printed circuits connected with non-printed electrical components, electrical components, etc., can solve the problem of increasing the area of ​​mobile phone circuit boards, and achieve the effect of reducing the area

Active Publication Date: 2012-07-04
SUZHOU XINENG ENVIRONMENTAL SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem mainly solved by the present invention is to provide a mobile phone circuit board to solve the technical problem of increasing the area of ​​the mobile phone circuit board by setting multiple pads in order to achieve compatible design in the prior art

Method used

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Examples

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Embodiment Construction

[0025] See figure 2 , figure 2 It is a pad layout diagram of the mobile phone circuit board according to the first embodiment of the present invention. Such as figure 2 As shown, the mobile phone circuit board according to the first embodiment of the present invention includes: a radio frequency chip 230 , pads, a first matching network 204 and a second matching network 214 .

[0026] Wherein, the radio frequency chip 230 includes a first output port 200, and the pads include a first shared pad 201 and a first non-shared pad 202 and a second non-shared pad 203 spaced apart from the first shared pad 201, the first The output port 200 is connected to the first common pad 201 , the first non-common pad 202 is grounded, and the second non-common pad 203 is connected to the first matching network 204 .

[0027] Moreover, the first output port 200 is grounded through a first device (not shown in the figure, which will be described in detail below) soldered between the first co...

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Abstract

The invention discloses a mobile phone circuit board. The mobile phone circuit board comprises a radio frequency chip and a pad, wherein the radio frequency chip comprises a plurality of output ports; the pad welds corresponding devices under different frequency range configuration to selectively connect the plurality of output ports to a matching network; the pad comprises a shared pad and a non-shared pad; and the devices under different frequency range configuration share the shared pad. Through the mode, the area of the mobile phone circuit board can be effectively reduced while a compatible design is realized, so that a mobile phone is thinner and lighter.

Description

technical field [0001] The invention relates to the technical field of mobile phones, in particular to a mobile phone circuit board. Background technique [0002] With the increasing popularity of mobile phones, the destinations of mobile phones are different, and the frequency bands used in each country are different. In the design of mobile phones, in order to save cost and space, it is often necessary to realize the configuration of various frequency bands on a mobile phone circuit board, so it is necessary to do a compatible design on the circuit and add some resistance-capacitance sensing devices equivalent to jumpers, so that the mobile phone Realize the configuration of various frequency bands. [0003] See figure 1 , figure 1 It depicts a mobile phone circuit board with a compatible design in the prior art, such as figure 1 As shown, the mobile phone circuit board includes a radio frequency chip 120 , output ports 121 - 123 , pads 101 - 114 , a first matching net...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/00H05K1/11H05K1/18H04M1/02
Inventor 罗敏丽
Owner SUZHOU XINENG ENVIRONMENTAL SCI & TECH CO LTD
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