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Paper Abstract and Keywords
Presentation 2005-09-08 14:10
Construction of 10m Semi Anechoic Chamber Satisfying CISPR 16-1-5 CALTS Theoretical Value ±1.0dB -- Use CALTS Theoretical value for specifications of anechoic chamber for EMI measurement --
Atsushi Shinozaki (SEIKO EPSON Corp.), Reiichi Sasaki (Kindai), Eizo Hariya (KEC)
Abstract (in Japanese) (See Japanese page) 
(in English) The Normalized site attenuation (NSA)-based method which is specified in ANSI C63.4 or CISPR 16-1-4 is widely used as the performance evaluation of EMC measurement site at present.
A dipole antenna or a broadband antenna can be used in this site attenuation measurement. But a broadband antenna is used more often for convenience.
We performed site attenuation measurements with a broadband antenna, and found a problem in that the measurement results slightly differ depending on under what conditions the antenna has been calibrated; which means it’s impossible to establish an accurate function of anechoic chamber, or to collect accurate verification data with the specification that refers to NSA, that permits more than one antenna calibration conditions.
We have come up with the idea to use CALTS theoretical figure that is required for antenna calibration site as regulated in CISPR 16-1-5 (2003), to the specification of 10m semi-anechoic chamber for EMI measurements.
By adopting CALTS theoretical figure to the specification, we have succeeded in to constructing a 10m semi-anechoic chamber that satisfies the specification of CALTS±1.0dB. We will report the simulation results obtained in the designing period, and the measurement results obtained after the completion of the test in the
10m semi-anechoic chamber that satisfy the required specification
Keyword (in Japanese) (See Japanese page) 
(in English) Anechoic Chamber / NSA / CALTS / EMI measurement / / / /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 263, EMCJ2005-60, pp. 7-12, Sept. 2005.
Paper # EMCJ2005-60 
Date of Issue 2005-09-01 (EMCJ) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee EMCJ  
Conference Date 2005-09-08 - 2005-09-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2005-09-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Construction of 10m Semi Anechoic Chamber Satisfying CISPR 16-1-5 CALTS Theoretical Value ±1.0dB 
Sub Title (in English) Use CALTS Theoretical value for specifications of anechoic chamber for EMI measurement 
Keyword(1) Anechoic Chamber  
Keyword(2) NSA  
Keyword(3) CALTS  
Keyword(4) EMI measurement  
1st Author's Name Atsushi Shinozaki  
1st Author's Affiliation SEIKO EPSON Corp. (SEIKO EPSON Corp.)
2nd Author's Name Reiichi Sasaki  
2nd Author's Affiliation Former Kinki University Professor (Kindai)
3rd Author's Name Eizo Hariya  
3rd Author's Affiliation Kansai Electronic Industry Development Center (KEC)
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Date Time 2005-09-08 14:10:00 
Presentation Time 35 
Registration for EMCJ 
Paper # IEICE-EMCJ2005-60 
Volume (vol) IEICE-105 
Number (no) no.263 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-EMCJ-2005-09-01 

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