Telephone functional module for mobile terminal

A mobile terminal and module technology, applied in the field of mobile communication, can solve the problems of high R&D cost and long R&D cycle, and achieve the effect of reducing mutual electromagnetic interference

Inactive Publication Date: 2009-08-12
北京登合科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this setting scheme is that after soldering the chip that realizes the phone function to the main board, an overall test is required. If there is a problem in the test, then targeted modification is required. When there are only one functional module (this is a common situation), repeated testing of multiple modules will lead to a long development cycle and high development costs

Method used

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  • Telephone functional module for mobile terminal
  • Telephone functional module for mobile terminal

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] The invention can solve the problems of EMI and EMC through reasonable arrangement of pins.

[0039] the following to figure 1 The illustrated embodiment details the layout of the pins of the present invention. figure 1 See the table below for the definition of the specific phone function module pins shown. figure 1 The pin numbers are marked as shown in the figure, and the unmarked pin numbers are arranged sequentially between the marked pins, such as figure 1 Between pin No. 1 and pin No. 15 are pin No. 2, pin No. 3 and pin No. 14 arranged in sequence.

[0040] figure 1 middle

pin number Technical scheme of the present invention

Corresponding pin number in

Pin Description

Remark 1～2 no correspondence ground wire

[0041] 3 Serial number 1 pin RTS signal pin Connect the application processor

4

Serial number 2 pins

Reset signal pin

When the pho...

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Abstract

The invention provides a mobile phone functional module of a mobile terminal, which aims to solve the problems of electromagnetic interference and electromagnetic compatibility when a chip with a mobile phone function is integrated into a module. The electromagnetic interference among signals of pins is reduced or eliminated by reasonably arranging the pins. The mobile phone functional module canbe widely applied to mobile communication terminals.

Description

technical field [0001] The invention relates to a mobile communication technology, in particular to a telephone technology in the mobile communication. Background technique [0002] Most of the hardware architectures of existing mobile terminals are that each component is directly welded on the main board, and the chip that realizes the telephone function is also directly welded on the main board of the mobile terminal. The disadvantage of this setting scheme is that after soldering the chip that realizes the phone function to the main board, an overall test is required. If there is a problem in the test, then targeted modification is required. When there are only one functional module (this is a common situation), repeated testing of multiple modules will lead to a long development cycle and high development costs. [0003] The chip that realizes the phone function and related circuits are integrated into a module that can be soldered to the main board of the mobile termin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/40H04M1/02H04B1/525
Inventor 刘彬
Owner 北京登合科技有限公司
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