Traditional Direct Digital Synthesis (DDS) waveform generators were usually completed by DDS chips, which were expensive and poorly customizable. This paper proposed a CPLD-based DDS multi-waveform generator design. DDS was independently developed and programmed by VHDL language. The system could be interfaced with PC. The system was mainly divided into two parts: upper computer and lower computer. The upper computer part mainly included the main interface design of the system, the sending of control commands and the receiving part of data. The sending and receiving of commands and data was realized by serial communication. The upper computer part was programmed by High-level programming language named DELPHI. The lower computer part mainly included DDS design part, the reception of control commands and the transmission of data, etc., the lower computer part mainly adopt VHDL language to be programmed in CPLD. The DDS design part mainly included the design of the phase accumulator, the design of the ROM, the design of the D/A part, and the design of the low-pass filter. The system could adjust the frequency of the output waveform by adjusting the size of the frequency word, and adjust the waveform shape of the system output by adjusting the internal data of the ROM. Simulation and experimental results showed that: the DDS multi-waveform generator designed by CPLD could achieve the expected goal, and the work effect was good.
| Published in | Software Engineering (Volume 9, Issue 3) |
| DOI | 10.11648/j.se.20210903.13 |
| Page(s) | 65-69 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2021. Published by Science Publishing Group |
Waveform Generator, DDS, VHDL, System
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APA Style
Li Hui, Li Jing, Li Ruofan, Wang Dongkun. (2021). Design of DDS Multi-waveform Generator Based on CPLD. Software Engineering, 9(3), 65-69. https://doi.org/10.11648/j.se.20210903.13
ACS Style
Li Hui; Li Jing; Li Ruofan; Wang Dongkun. Design of DDS Multi-waveform Generator Based on CPLD. Softw. Eng. 2021, 9(3), 65-69. doi: 10.11648/j.se.20210903.13
AMA Style
Li Hui, Li Jing, Li Ruofan, Wang Dongkun. Design of DDS Multi-waveform Generator Based on CPLD. Softw Eng. 2021;9(3):65-69. doi: 10.11648/j.se.20210903.13
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Download@article{10.11648/j.se.20210903.13,
author = {Li Hui and Li Jing and Li Ruofan and Wang Dongkun},
title = {Design of DDS Multi-waveform Generator Based on CPLD},
journal = {Software Engineering},
volume = {9},
number = {3},
pages = {65-69},
doi = {10.11648/j.se.20210903.13},
url = {https://doi.org/10.11648/j.se.20210903.13},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.se.20210903.13},
abstract = {Traditional Direct Digital Synthesis (DDS) waveform generators were usually completed by DDS chips, which were expensive and poorly customizable. This paper proposed a CPLD-based DDS multi-waveform generator design. DDS was independently developed and programmed by VHDL language. The system could be interfaced with PC. The system was mainly divided into two parts: upper computer and lower computer. The upper computer part mainly included the main interface design of the system, the sending of control commands and the receiving part of data. The sending and receiving of commands and data was realized by serial communication. The upper computer part was programmed by High-level programming language named DELPHI. The lower computer part mainly included DDS design part, the reception of control commands and the transmission of data, etc., the lower computer part mainly adopt VHDL language to be programmed in CPLD. The DDS design part mainly included the design of the phase accumulator, the design of the ROM, the design of the D/A part, and the design of the low-pass filter. The system could adjust the frequency of the output waveform by adjusting the size of the frequency word, and adjust the waveform shape of the system output by adjusting the internal data of the ROM. Simulation and experimental results showed that: the DDS multi-waveform generator designed by CPLD could achieve the expected goal, and the work effect was good.},
year = {2021}
}
TY - JOUR T1 - Design of DDS Multi-waveform Generator Based on CPLD AU - Li Hui AU - Li Jing AU - Li Ruofan AU - Wang Dongkun Y1 - 2021/09/07 PY - 2021 N1 - https://doi.org/10.11648/j.se.20210903.13 DO - 10.11648/j.se.20210903.13 T2 - Software Engineering JF - Software Engineering JO - Software Engineering SP - 65 EP - 69 PB - Science Publishing Group SN - 2376-8037 UR - https://doi.org/10.11648/j.se.20210903.13 AB - Traditional Direct Digital Synthesis (DDS) waveform generators were usually completed by DDS chips, which were expensive and poorly customizable. This paper proposed a CPLD-based DDS multi-waveform generator design. DDS was independently developed and programmed by VHDL language. The system could be interfaced with PC. The system was mainly divided into two parts: upper computer and lower computer. The upper computer part mainly included the main interface design of the system, the sending of control commands and the receiving part of data. The sending and receiving of commands and data was realized by serial communication. The upper computer part was programmed by High-level programming language named DELPHI. The lower computer part mainly included DDS design part, the reception of control commands and the transmission of data, etc., the lower computer part mainly adopt VHDL language to be programmed in CPLD. The DDS design part mainly included the design of the phase accumulator, the design of the ROM, the design of the D/A part, and the design of the low-pass filter. The system could adjust the frequency of the output waveform by adjusting the size of the frequency word, and adjust the waveform shape of the system output by adjusting the internal data of the ROM. Simulation and experimental results showed that: the DDS multi-waveform generator designed by CPLD could achieve the expected goal, and the work effect was good. VL - 9 IS - 3 ER -
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