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Title:Tutorial on designing and implementing a direct digital synthesizer (DDS) on a field programmable gate array (FPGA)
Author(s):Bhagat, Karan
Advisor(s):Schutt-Ainé, José E.
Department / Program:Electrical & Computer Eng
Discipline:Electrical & Computer Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:M.S.
Genre:Thesis
Subject(s):direct digital synthesis (DDS)
direct digital synthesizer
direct digital synthesizer (DDS)
Field-Programmable Gate Array (FPGA)
circuit design
digital circuit design
design flow
design
Implementation
Verilog
tutorial
phase accumulator
sine lookup table
phase truncation
spurs
simulation
place and route
ModelSim
Xilinx
Virtex
Abstract:Many telecommunication applications require a fast switching, fine tuning and superior quality sinusoidal signal source for their components. One such a frequency synthesizer is a direct digital synthesizer (DDS). This thesis work utilizes a design that aims to combine digital circuit design and electronic communication knowledge, and apply them in a practical environment. It does so by providing a tutorial on designing and implementing a DDS on an FPGA using Xilinx’s ISE software. The thesis also examines the final results and shows the unwanted spurs that are generated. Since this is purely a digital design, it does not implement a digital-to-analog converter (DAC) or a low-pass filter. Using a Virtex 6 design for the FPGA, one can achieve close to perfect sinusoids, without any phase change, with varying frequency tuning words (FTWs).
Issue Date:2013-02-03
URI:http://hdl.handle.net/2142/42300
Rights Information:Copyright 2012 Karan Bhagat
Date Available in IDEALS:2013-02-03
Date Deposited:2012-12


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