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Hardware Design and Implementation of the Preamplifier Tester Based on GPIB Bus

Author: ZhangQiong
Tutor: YanGuoPing
School: Huazhong University of Science and Technology
Course: Circuits and Systems
Keywords: Preamplifier Virtual instrument GPIB Automatic test Hardware Design
CLC: TP391.9
Type: Master's thesis
Year: 2006
Downloads: 166
Quote: 1
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Abstract


The virtual instrument as a new generation of test instruments are widely used in the field of civilian and military measurement . GPIB (General Purpose Interface Bus) bus instrument for its reliability and high precision makes the bus - based virtual instrument in military equipment in the field of automated testing a wide range of research and application . This topic is developed air-to-air missiles for the Chinese Academy of preamplifier tester, the tester using the GPIB bus - based virtual instrument technology to achieve automatic gain of the preamplifier cutoff frequency , AC crosstalk 111 item performance automatic test . The entire system integration the IPC electronic measurement and control equipment , including the function signal generator , digital storage oscilloscope , digital multimeter and DC regulated power supply . IPC through the GPIB bus interface to achieve real-time control of the various instruments , digital I / O card control relay to select the channel of the chip under test and to coordinate the actions of various instruments , so that they are automatically completed the preamplifier performance tests . The tester system has been identified , confirmed the preamplifier tester set up by the virtual instrument system better than manual testing system the original using discrete components , greatly increase the degree of automation of the equipment of the national defense scientific research units . Firstly, starting from the need to solve the problem and the current research , introduced the concept of virtual instruments , classification , characteristics and trends , focuses on the virtual instrument system based on GPIB bus formation . Then elaborated design ideas and general scheme of the system of the tester , and focuses on the structure of the hardware platform , including the design the purchased equipment selection and homemade chip fixture plates and acquisition control panel . Instrument control module implementations as well as the realization of the functional modules of the test items were described in detail , concludes the outcome of the subject in the development process , and made ??a number of areas for further research .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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