Time jitter is an important means for evaluating the performance of high-speed communication systems. Current high-speed digital designs require faster edge speeds and smaller effective data windows. Therefore, analysis of the root cause of jitter has become the key factor in determining the success or failure of a design. To analyze the jitter source of the whole link, the jitter is usually extracted and analyzed by software or hardware at the receivers. To verify the accuracy of jitter extraction at the receivers, many instrument manufacturing companies have developed oscilloscope software to inject jitter at the transmitters, but the core algorithms for jitter generation are commercially sensitive and the software cannot inject all types of jitter, particularly bounded uncorrelated jitter, into the pure signals. This paper proposes a software jitter modeling and injection algorithm that can be implemented in MATLAB and includes transmitter test signal modeling, jitter generation, and the injection of various types of jitter. Unlike other research and commercial software, the proposed algorithm enables the injection of various types of jitter, notably bounded uncorrelated jitter, into test signals. This algorithm is suitable for integration into real-time oscilloscopes for jitter generation and injection.
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Research Article|
May 24 2022
Time jitter generation and injection algorithms for high-speed applications
Tong Wu
;
Tong Wu
1
Department of Modern Physics, University of Science and Technology of China
, Hefei 230026, China
2
State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China
, Hefei 230026, China
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Kezhu Song
;
Kezhu Song
a)
1
Department of Modern Physics, University of Science and Technology of China
, Hefei 230026, China
2
State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China
, Hefei 230026, China
a)Author to whom correspondence should be addressed: [email protected]
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Hongwei Zhao
Hongwei Zhao
1
Department of Modern Physics, University of Science and Technology of China
, Hefei 230026, China
2
State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China
, Hefei 230026, China
Search for other works by this author on:
Tong Wu
1,2
Kezhu Song
1,2,a)
Hongwei Zhao
1,2
1
Department of Modern Physics, University of Science and Technology of China
, Hefei 230026, China
2
State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China
, Hefei 230026, China
a)Author to whom correspondence should be addressed: [email protected]
Rev. Sci. Instrum. 93, 054706 (2022)
Article history
Received:
January 17 2022
Accepted:
April 28 2022
Citation
Tong Wu, Kezhu Song, Hongwei Zhao; Time jitter generation and injection algorithms for high-speed applications. Rev. Sci. Instrum. 1 May 2022; 93 (5): 054706. https://doi.org/10.1063/5.0085432
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