System and method for carrying out ping-pong calibration on radio frequency of mobile-phone mainboards

Abstract

The invention discloses a system for increasing the utilization rate of an instrument and the output rate of radio-frequency calibration of mobile-phone mainboards and carrying out ping-pong calibration on the radio frequency of the mobile-phone mainboards. The system comprises a computer, a comprehensive testing instrument and a first laminating clamp, wherein the first laminating clamp is used for placing the first mobile-phone mainboard; the computer and the comprehensive testing instrument are connected by a general purpose interface bus (GPIB). The system also comprises a second laminating clamp for placing the second mobile-phone mainboard, a single chip microcomputer and a radio-frequency switching control unit, wherein the computer is connected with the single chip microcomputer by a serial port; the single chip microcomputer is respectively connected with the radio-frequency switching control unit, the first mobile-phone mainboard and the second mobile-phone mainboard; the comprehensive testing instrument is connected to the radio-frequency switching control unit by a radio-frequency line; and the radio-frequency switching control unit is respectively connected to the first mobile-phone mainboard and the second mobile-phone mainboard by radio-frequency lines. The invention also provides a testing method for utilizing the system.

Description

technical field [0001] The invention belongs to the technical field of production testing in the communication industry, and in particular relates to a system for performing ping-pong calibration on the radio frequency of a mainboard of a mobile phone, and a ping-pong calibration method using the system. Background technique [0002] In order to make the radio frequency indicators of the mobile phone meet the requirements, using a computer and a comprehensive tester to calibrate the radio frequency of the mobile phone motherboard is one of the indispensable links in the production of the mobile phone motherboard. [0003] The traditional method of using a computer and a comprehensive tester to calibrate the radio frequency of a mobile phone motherboard is to use a single computer to control a single comprehensive tester to calibrate the radio frequency of a single mobile phone motherboard. The calibration can only be started after the board is removed, and the comprehensive ...

AI Technical Summary

Problems solved by technology

[0003] The traditional method of using a computer and a comprehensive tester to calibrate the radio frequency of a mobile phone motherboard is to use a single computer to control a single comprehensive tester to calibrate the radio frequency of a single mobile phone motherboard. The calibration can only be started after the board is removed, and the comprehensive tester is idle during the time of picking and placing the board, so the utilization efficiency of the instrument is not high, and the per capita output rate is not high, which is a waste of expensive instrument resources. A higher per capita output rate requires an increase in the comprehensive tester, resulting in an increase in cost

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