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Methods of Impedance Control

A technology of impedance control and impedance line, which is applied in the measurement of resistance/reactance/impedance, instruments, CAD circuit design, etc., which can solve the problems of radio frequency performance degradation and power loss increase

Active Publication Date: 2021-12-07
FIBOCOM WIRELESS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a method of impedance control for the problems of increased power loss and RF performance degradation caused by impedance mismatch of communication modules

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Embodiment Construction

[0033] In order to facilitate the understanding of the present application, and to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth to facilitate a full understanding of the application, and preferred embodiments of the application are shown in the accompanying drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the application more thorough and comprehensive. The present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without dep...

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Abstract

The present invention relates to a method of impedance control, which is applied to a radio frequency communication module. The method includes: setting the impedance parameters and the radio frequency connector parameters of the development board provided with the radio frequency communication module, according to the impedance parameters and the The RF connector parameters provide a plurality of PCB design parameters; the PCB design parameters are used to adjust the matching impedance on the development board; a plurality of corresponding development boards are made according to the plurality of PCB design parameters, and each development board is performing an impedance convergence test to obtain corresponding impedance test results; and determining target PCB design parameters according to the impedance test results. Set multiple development boards by providing multiple PCB design parameters, and conduct impedance convergence tests on multiple development boards, determine the target PCB design parameters according to the test results, improve the probability of impedance matching, further reduce power loss and improve RF performance.

Description

technical field [0001] The invention relates to the field of integrated circuits, in particular to an impedance control method. Background technique [0002] During the process of manufacturing the communication module, it is necessary to test the quality of the communication module. Since the communication module has no peripheral circuit support, the test process requires flying leads, which makes the operation complicated and the test accuracy low. At this time, it is often necessary to adapt an adapter board (adapter, ADP) to switch with the communication module, and perform a performance test of the communication module on the ADP. [0003] However, after the communication module is connected to the ADP, the impedance mismatch of the communication module will lead to an increase in the power loss of the communication module, which will further cause a decrease in the radio frequency performance of the communication module. Contents of the invention [0004] Based on...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R27/02G01R31/28G06F30/398G06F115/12
CPCG01R27/02G01R31/2812G06F30/39
Inventor 温包根
Owner FIBOCOM WIRELESS