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SJ 2814-1987

Search Result of Chinese Standard: 'SJ 2814-1987'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusRelated Standard
SJ 2814-1987English259 Add to Cart Days<=3 Technical requirements for measuring standard device of carbon transmitters Valid SJ 2814-1987

   
Detail Information of SJ 2814-1987; SJ2814-1987
Description (Translated English): Technical requirements for measuring standard device of carbon transmitters
Sector / Industry: Electronics Industry Standard
Classification of Chinese Standard: M72; L31
Word Count Estimation: 7,000
Date of Issue: 1/9/1987
Date of Implementation: 1/1/1988
Drafting Organization: Guangzhou Cable Electric Factory
Administrative Organization: Ministry of Electronics Industry Standardization Institute
Regulation (derived from): Industry-Science (2010) No. 77
Summary: This standard specifies the test standard circuit test carbon granule microphone when reference equivalent test standard mouthpiece and testing standard distance. Applies SJ1735-81 "total communication electro-acoustic devices technology" used in the telephone transmitter, which transmits a reference when the magnitude and SJ1735-81 "live voice communication transmitter Test Methods" in the test standard telephones. For other forms of using the telephone to the microphone, but also can refer to adoption.


Related standard:   SJ/Z 9140.1-1987  SJ/Z 9140.2-1987
   
 
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