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YD 296-1982 YD 296-1982_English: PDF (YD296-1982) Standard ID Contents [version] USD STEP2 [PDF] delivered in Standard Title (Description) Related Standard Status PDF YD 296-1982 English 199 Add to Cart 2 days Main technical requirement for 620KHz attenuator YD 296-1982 Obsolete YD 296-1982 BASIC DATA Standard ID YD 296-1982 (YD296-1982) Description (Translated English) Main technical requirement for 620KHz attenuator Sector / Industry Telecommunication Industry Standard Classification of Chinese Standard L86 Word Count Estimation 3,349 Date of Issue 1983/2/17 Date of Implementation 1983/7/1 Drafting Organization Ministry of Posts and Telecommunications, Wuhan communication instrument Factory Administrative Organization Ministry of Posts and Telecommunications Standardization Institute of Posts and Telecommunications Summary This standard applies to 620KHz attenuator. The level meter with 620KHz oscillator frequency selective level meter is suitable for long-distance communications supporting main carrier equipment manufacturing, installation and maintenance testing.