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SJH 2814-1987

Chinese Standard: 'SJH 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   SJ 2814-1987

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BASIC DATA
Standard ID 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 7,766
Date of Issue 1987/9/1
Date of Implementation 1988/1/1
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.

   
 
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