Email this article Methods for measuring S-parameters of high-speed connectors using vector network analyzers
- Authors: Krylov A.1, Krekoten F.2, Pankov A.2
-
Affiliations:
- ООО «Планар-Проект»
- ООО «Совтест Микро»
- Issue: No 8 (229) (2023)
- Pages: 42-54
- Section: Test and measurement
- URL: https://journals.eco-vector.com/1992-4178/article/view/632319
- DOI: https://doi.org/10.22184/1992-4178.2023.229.8.42.54
- ID: 632319
Cite item
Open Access
Access granted
Abstract
The article considers the methods for measuring the s-parameters of connectors used as part of backplanes using vector network analyzers (VNA). The measurement results are presented.
Full Text
About the authors
A. Krylov
ООО «Планар-Проект»
Author for correspondence.
Email: journal@electronics.ru
Russian Federation, Москва
F. Krekoten
ООО «Совтест Микро»
Email: journal@electronics.ru
Russian Federation, Зеленоград
A. Pankov
ООО «Совтест Микро»
Email: journal@electronics.ru
Russian Federation, Зеленоград
References
- Программное обеспечение для автоматического исключения оснастки. Руководство по эксплуатации. // https://planarchel.ru URL: https://planarchel.ru/upload/uf/810/s45a5qsvsvzh5o0yus049ou4o80n2bq2/AFR_rus_ver_23.1.pdf
- Анализаторы цепей векторные. Руководство по эксплуатации. Программное обеспечение. // https://planarchel.ru URL: https://planarchel.ru/upload/medialibrary/9ce/hl13hjzb7hleoxc06te2he0h1c9wo4xy/Part2_S2VNA_ver_23.2.pdf
- Калибровка векторных анализаторов цепей перемычкой с неизвестными параметрами. // https://planarchel.ru URL: https://planarchel.ru/upload/iblock/858/d9i51w8x50gae4rfb1pugn6udhjtkyu5/Калибровка%20ВАЦ%20перемычкой%20с%20неизвестными%20параметрами.pdf
Supplementary files
Supplementary Files
Action
1.
JATS XML
2.
Fig. 1. Calibration board manufactured by Sovtest Micro Ltd.
Download (136KB)
3.
Fig. 2. Measuring tooling of Sovtest Micro LLC, top view.
Download (172KB)
4.
Fig. 3. Measuring tooling of Sovtest Micro LLC, bottom view.
Download (197KB)
5.
Fig. 4. Design of printed circuit board layers
Download (261KB)
6.
Fig. 5. Iterative selection of conductor width
Download (162KB)
7.
Fig. 6. Parametric model of the transition hole, dielectric layers are not shown
Download (177KB)
8.
Fig. 7. Installation location of the SMA coaxial connector
Download (121KB)
9.
Fig. 8. Measuring stand based on VAC C4220 manufactured by PLANAR Ltd.
Download (260KB)
10.
Fig. 9. Measurement results of the XX measure.
Download (190KB)
11.
Fig. 10. Measurement results of the short-circuit measure.
Download (199KB)
12.
Fig. 11. Characteristics and repeatability of coaxial connectors.
Download (154KB)
13.
Fig. 12. Frequency characteristics of |S11| measure XX.
Download (163KB)
14.
Fig. 13. Calibration reference plane offset result for measure XX.
Download (109KB)
15.
Fig. 14. Characteristics of |S11| measure XX in the time domain.
Download (147KB)
16.
Fig. 15. Characteristics of |S11| measure XX based on the loss compensation results.
Download (140KB)
17.
Fig. 16. Frequency response of S11 of the short-circuit measure before characterization.
Download (218KB)
18.
Fig. 17. Characteristics of |S11| short-circuit measure based on the results of reference plane displacement, coaxial coupler reflection elimination and feedline loss compensation.
Download (140KB)
19.
Fig. 18. Phase-frequency characteristics of the measures after characterization.
Download (119KB)
20.
Fig. 19. Frequency response |S11| of the CH measure before the characterization was performed
Download (202KB)
21.
Fig. 20. Characteristics |S11| of the CH measure based on the results of reference plane displacement, coaxial coupler reflection elimination, and feedline loss compensation.
Download (138KB)
22.
Fig. 21. Description of a set of calibration measures based on characterization results
Download (59KB)
23.
Fig. 22. Description of the scheme of connection of the measuring tooling to the device being measured, indicating the method used for calculating the tooling parameters in the AFR software.
Download (145KB)
24.
Fig. 23. Results of tooling characterization in AFR software
Download (231KB)
25.
Fig. 24. Impedance profile of the measuring tool according to the results of characterization in AFR software
Download (125KB)
26.
Fig. 25. S-parameters of a pair of mating connectors.
Download (275KB)
27.
Fig. 26. |S21| mating connectors for six pairs of contacts according to the topology of the measuring tooling
Download (178KB)
28.
Fig. 27. |S11| mating connectors for six pairs of contacts according to the topology of the measuring tooling
Download (186KB)
