Radio frequency link switching device for mobile communication terminal testing

Abstract

The invention discloses a radio frequency link switching device for mobile communication terminal testing. The radio frequency link switching device is characterized by comprising a main processing unit; the main processing unit comprises a test set output interface, a test set input interface and a tested equipment interface; the test set output interface and the test set input interface are connected with the tested equipment interface through a coaxial switch, an attenuator and a circulator; a link between the test set output interface and the tested equipment interface is used for compensating instrument downlink signals; a link between the test set input interface and the tested equipment interface is used for compensating terminal uplink signals. Index test links of all types of approval terminals are systematically integrated, automatic setup of test links and automatic measurement are achieved, and damage of instruments caused by superheated radio frequency power, instantaneous direct current and ESD (electrostatic discharge) is protected.

Description

technical field [0001] The invention relates to a radio frequency link switching device for mobile communication terminal testing, especially a radio frequency link switching device for 2G, 3G and 4G terminal testing. Background technique [0002] In wireless communication technology, the terminal RF automatic test system refers to an automated test system that uses computer control to automatically complete call establishment, link switching, signal measurement, data calculation and processing, and output test results. It is mainly used in wireless terminal RF index testing and Integrated test system construction, including radio frequency index test of wireless terminals such as handheld stations and wireless access points of various standards with 5GHz WLAN, and automatic test system tower construction. [0003] In the terminal radio frequency automatic test system, the radio frequency switching unit is an important part, which is used to realize the automatic switching o...

AI Technical Summary

Problems solved by technology

[0005] In the prior art, there is a method of manually building a test link, but manually building a test link will introduce measurement errors and affect the accuracy of the test results

Moreover, the function of the terminal switching unit at this stage is single, and it is impossible to complete the test indicators of all test items for model approval.

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