Development Of FPGA Based Portable Low-Cost Digital Signal Generator

Mahzan, Irna Nadira (2017) Development Of FPGA Based Portable Low-Cost Digital Signal Generator. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Signal Generator is a device that generates the repeating voltage waveforms that important to generate the accurate control frequency and amplitude.Signal generator also has a microcontroller (CPU unit) and can be used on any test system with other instrument or to be controlled by the computer.However,most of the commercial signal generators are very expensive.The price for each signal generator is about RM1 500 – RM 20 000.The size of signal generator also big and heavy cause it difficult to carry everywhere.Therefore,the purpose of this project is to develop a portable low-cost digital signal generator by using Field Programmable Gate Array (FPGA).The proposed project is designed by using High Description Language (HDL) in Altera Quartus Software Design Interface and verified via simulation in ModelSim.After the design code verified by ModelSim,the design will be implemented in the FPGA board and the SignalTap will display the signal. Based on the result from the SignalTap,the analysis can be made by making a calculation and compared to the result either the frequency and amplitude is accurate or not.This signal generator is built with same facilities which available in another commercial signal generator for practical implementation in laboratories which is it can generate the basic signal such as Sine,Triangular and Square wave.This develops signal generator is portable and configurable.This signal generator also affordable for universities,students,researchers or other average people to have their own signal generator.

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