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Paper Abstract and Keywords
Presentation 2015-04-23 11:20
A study of jig for S-parameter method using microstrip line Part 5 -- Influence on Measured Value by Substrate Edge Connector --
Takayuki Sasamori, Kazuma Endo, Teruo Tobana, Yoji Isota (Akita Prefectural Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, the S-parameter method using a vector network analyzer and a measurement jig instead of a balun has been pro-posed whereby the differential input impedance of a balanced fed antenna can be found. Because the balun is not used, it is possible to measure impedance over a wide bandwidth. However, when measured frequency rises, it is known that measure-ment accuracy decreases because the influence of the jig cannot be disregarded for the measurement. In this report, to im-prove the measurement accuracy of S-parameter method, the influence of a SMA connector installed on the jig for the meas-urement is experimentally examined. Two kinds of jigs with a different direction of the installed connector are fabricated, and the input impedance of a dipole antenna is measured by the S-parameter method. The measured values are compared with the available theories by King and the calculated values that used two kinds of FDTD models. As a result, it is observed that the difference appeared to measured values in the frequency of about 7 GHz or more by turning around the connector.
Keyword (in Japanese) (See Japanese page) 
(in English) S-parameter method / balanced fed antenna / input impedance / modified open correction / SMA connector / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 12, AP2015-10, pp. 47-50, April 2015.
Paper # AP2015-10 
Date of Issue 2015-04-15 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee AP  
Conference Date 2015-04-22 - 2015-04-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Ishigaki City 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antenna and Propagation 
Paper Information
Registration To AP 
Conference Code 2015-04-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study of jig for S-parameter method using microstrip line Part 5 
Sub Title (in English) Influence on Measured Value by Substrate Edge Connector 
Keyword(1) S-parameter method  
Keyword(2) balanced fed antenna  
Keyword(3) input impedance  
Keyword(4) modified open correction  
Keyword(5) SMA connector  
1st Author's Name Takayuki Sasamori  
1st Author's Affiliation Akita Prefectural University (Akita Prefectural Univ.)
2nd Author's Name Kazuma Endo  
2nd Author's Affiliation Akita Prefectural University (Akita Prefectural Univ.)
3rd Author's Name Teruo Tobana  
3rd Author's Affiliation Akita Prefectural University (Akita Prefectural Univ.)
4th Author's Name Yoji Isota  
4th Author's Affiliation Akita Prefectural University (Akita Prefectural Univ.)
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Date Time 2015-04-23 11:20:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2015-10 
Volume (vol) IEICE-115 
Number (no) no.12 
Page pp.47-50 
#Pages IEICE-4 
Date of Issue IEICE-AP-2015-04-15 

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