Digital Frequency Synthesis using Multi-Phase NCO for Dielectric Characterization of Materials on Xilinx Zynq FPGA

Digital Frequency Synthesis using Multi-Phase NCO for Dielectric Characterization of Materials on Xilinx Zynq FPGA

M.Sandhya Rani

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Dr. K. Soundararajan

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Dr. K. Nagabushan Raju

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Jawaharlal Nehru Technological University, Kakinada

Digital Frequency Synthesis using Multi-Phase NCO for Dielectric Characterization of Materials on Xilinx Zynq FPGA

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Abstract

Precise measurement of dielectric characteristics of materials is becoming necessity in several engineering applications. The dielectric constant measurement over wide frequency range for emerging applications such as PCB manufacturing, agriculture, environmental and food processing industries has several challenges. With the advancement in digital VLSI and Field Programmable Gate Array (FPGA) based processing the digital techniques for estimating the dielectric constant are feasible. In this context the digital based frequency generation techniques over wide frequency are discussed in this paper. The multi phase Numerically Controlled Oscillator (NCO) based technique for generating high frequency signals are experimented in this paper. The efficient implementation of NCO for Xilinx Zynq family FPGA, XC7Z020 device is simulated here. The realized multi phase NCO is observed to be occupying only 15% of resources and operating at 250MHz to result efficient synthesis of sine wave with sampling frequency of 1GHz. The design issues related to digital carrier generation on FPGAs, while driving high frequency Digital to Analog Converters (DACs) are discussed and simulation results are presented here.

References

13 Cites in Article

Reference Format

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

M.Sandhya Rani. 2014. \u201cDigital Frequency Synthesis using Multi-Phase NCO for Dielectric Characterization of Materials on Xilinx Zynq FPGA\u201d. Global Journal of Research in Engineering - F: Electrical & Electronic GJRE-F Volume 14 (GJRE Volume 14 Issue F7).

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GJRE Volume 14 Issue F7

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

dielectric measurement digital phase FPGA multi phase NCO Zynq SOC FPGA

Submission ReceivedDecember 9, 2013
Peer Review Double Blind
Handling Editor
Accepted January 2, 2014
Published January 15, 2014

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v1.2

Issue date

September 20, 2014

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Article Matrices

Total Score: 113

Country: India

Subject: Global Journal of Research in Engineering - F: Electrical & Electronic

Authors: M.Sandhya Rani, Dr. K. Soundararajan, Dr. K. Nagabushan Raju (PhD/Dr. count: 2)

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Total Views: 4496

Total Downloads: 2165

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