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General purpose interface bus (GPIB) integrated radio frequency test system controlled by digital signal processor

A radio frequency test system and digital signal technology, applied in the field of electronic technology/communication, can solve the problems of measurement error, affecting the accuracy of test results, etc., to achieve the effect of automatic switching, eliminating interference or leakage, and instrumented display functions

Active Publication Date: 2013-04-17
THE STATE RADIO MONITORING CENT TESTING CENT +1
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Problems solved by technology

If the link is manually loaded and tested, measurement errors will be introduced, which will affect the accuracy of the test results

Method used

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  • General purpose interface bus (GPIB) integrated radio frequency test system controlled by digital signal processor

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Embodiment Construction

[0012] A GPIB integrated radio frequency test system based on digital signal processor control, such as figure 1 As shown, it includes a microprocessor PowerPC, GPIB bus, 6-stage coaxial switch, first high-pass filter, second high-pass filter, low-pass filter, first notch filter, second notch filter, third Notch filter, the fourth notch filter, the fifth notch filter, the sixth notch filter, the seventh notch filter, the first amplifier and the second amplifier, wherein the microprocessor PowerPC is used to control the 6 The first-stage coaxial switch is turned on and off, the detected signal is connected to the first high-pass filter, the second high-pass filter and the low-pass filter through the first-stage coaxial switch, and the filtered signal passes through the second stage and the second stage. The three-level coaxial switch is connected with seven notch filters, and the signal after the notch is connected to the first amplifier and the second amplifier through the fou...

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Abstract

The invention discloses a general purpose interface bus (GPIB) integrated radio frequency test system controlled by a digital signal processor. The GPIB integrated radio frequency test system controlled by the digital signal processor comprises a microprocessor PowerPC, a GPIB, a six-stage coaxial switch, a first high-pass filter, a second high-pass filter, a low-pass filter, a first wave trap, a second wave trap, a third wave trap, a fourth wave trap, a fifth wave trap, a sixth wave trap, a seventh wave trap, a first amplifier and a second amplifier. According to the integrated radio frequency test system, the problem that different signal processing paths are required by different test items during a test procedure of radio frequency terminal equipment is solved, and system integration can be performed on all test links for approving radiation disturbance and radiation spurious indexes, so that errors brought by manual test are avoided, and the test accuracy and the test efficiency are improved.

Description

technical field [0001] The invention belongs to the field of electronic technology / communication, and relates to a GPIB integrated radio frequency test system controlled by a digital signal processor, which is used for the approval of radiation disturbance and radiation spurious test systems, and is especially used in the test and integration of radio frequency indicators of radio terminals for approval of radiation spurious wireless terminals Build the test system. Background technique [0002] Conventional terminal radio frequency automatic test system refers to the automatic test system that adopts 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 radio frequency index test and integrated test system construction , including TD-SCDMA, GSM, WLAN, WCDMA, CDMA and Bluetooth wireless terminal radio frequency index test and automatic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/00
Inventor 张莎陶洪波宋起柱刘晓勇
Owner THE STATE RADIO MONITORING CENT TESTING CENT
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