SJ 2814-1987 English PDF

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SJ 2814-1987: Technical requirements for measuring standard device of carbon transmitters
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SJ 2814-1987	279	Add to Cart	3 days	Technical requirements for measuring standard device of carbon transmitters	Obsolete

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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: 7,756
Date of Issue: 9/1/1987
Date of Implementation: 1/1/1988
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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