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Please use this identifier to cite or link to this item: http://dspace.unimap.edu.my:80/xmlui/handle/123456789/7110

Title: Development of Virtual Oscilloscope using JavaTM programming language
Authors: Lee, Chor Win
Afandi, Ahmad
Keywords: Java (Computer program language);Object-oriented programming (Computer science);Graphical user interfaces (Computer systems);Oscilloscopes;Oscilloscopes -- Design and construction;Virtual Oscilloscopes -- Design and construction
Issue Date: 18-May-2005
Publisher: Kolej Universiti Kejuruteraan Utara Malaysia
Citation: p. 171-174
Series/Report no.: Proceedings of the 1st National Conference on Electronic Design
Abstract: This project is to develop a virtual oscilloscope that contains a data acquisition system and a dedicated Graphical User Interface (GUI) software application using JAVATM Programming Language. By integrated data acquisition hardware to PC through Parallel Port interfacing, the cost of an oscilloscope may reduce. It starts with a signal probe and voltage divider feeding an amplifier, then to analog-to-digital converter and feeds to first-in-first-out memory buffer. The output of first-in-first-out memory buffer multiplexed into two four-bit data and input to PC through parallel port sequentially. While the dedicated JAVATM Programming Language based software application for management and processes the associated functions and tasks (port configuration, timer programming, handshaking with hardware, data acquisition and processing of data). The GUI software application provide medium for signal representation. Except from real-time display of the analog signals, the GUI also allows demonstration of common oscilloscope tasks like time-scale and voltage-scale changes. Results showed that the data acquisition hardware unable to work properly as expected but the GUI software application able to function perfectly with displaying noise signal inputting from data acquisition hardware. The JAVATM Programming Language based GUI software application able to interface with plug-in hardware successfully and acquire data from it through Parallel Port. The four-bit data converted to byte data and display as signal in the GUI of software application.
Description: Organized by Kolej Universiti Kejuruteraan Utara Malaysia (KUKUM), 18th-19th May 2005 at Putra Palace Hotel, Kangar.
URI: http://hdl.handle.net/123456789/7110
Appears in Collections:Conference Papers

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