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Specific coverage includes the D.7-113 single trace oscilloscope tube variants and their screen types, deflection method, typical operating conditions, ratings, and accessories.",{"@graph":14,"@context":72},[15,34,55],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/technology/","Technology",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/d7-113-single-trace-oscilloscope-tube-application/562966/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/d7-113-single-trace-oscilloscope-tube-application/562966.png","ImageObject",300,407,{"name":42,"@type":43},"dawugda","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-15","2026-10-12",true,{"@type":52,"interactionType":53,"userInteractionCount":26},"InteractionCounter",{"@type":54},"ViewAction",{"@type":56,"mainEntity":57},"FAQPage",[58,64,68],{"name":59,"@type":60,"acceptedAnswer":61},"How is the type designation for oscilloscope tubes structured?","Question",{"text":62,"@type":63},"It is built from letters and numbers: the first letter indicates tube function, subsequent letters indicate designation system details, and hyphen-separated numbers specify screen diameter/diagonal and serial development identifiers, with final letters describing faceplate/screen designations.","Answer",{"name":65,"@type":60,"acceptedAnswer":66},"What does “persistence” mean in the screen designation system?",{"text":67,"@type":63},"Persistence is defined as the period of time during which brightness diminishes to 1/10 of its initial value, with categories such as very short, short, medium short, medium, long, and very long.",{"name":69,"@type":60,"acceptedAnswer":70},"What is covered in the explanation of symbols section?",{"text":71,"@type":63},"It lists symbol meanings for connections and electrical parameters, including side connection codes aligned to JEDEC standards and variables for deflection plates, factors, heater quantities, voltages, grid biases, and electrode distinctions in double-trace tubes.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},562966,1792101719,{"code":4,"msg":81,"data":82},"success",[83,87,91,95,100,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & 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D:electrostatic deflection and  \u003Cbr>focus   | D:single trace oscilloscope tube  \u003Cbr>M:monitor tube   |\n| second letter   |  | B.G.H.L.N,Por W:cf.screen  \u003Cbr>designation system   | 一   |\n| third letter   |  | M:mulliple troce tube   | 二   |\n| number preceding hyphen   |  | screen diameter or screen diogonal in cm   |  |\n| number following hyphen   |  | serial number indicating a particular design or development   |  |\n| final letters   |  | F:flat foceplate   | BE,GH,GJ.GL,GM,GR.LD or  \u003Cbr>ef.screen designalion system   |\n\nFor eliminating the parallax the oscilloscope-and monitor tubes can be provided withinternal graticules.These tubes are available on special order.The type designation oftubes with not illuminable graticules must be completed with /01./03./05.etc,while thosewith illuminable graticules with /02./04,/06,etc.and those with illuminable graticules andprovided with fittings for illumination with /025,/04S./06Setc.  \n# SCREEN DESIGNATION SYSTEM\n\n\n| Code   |  |  | Screen colour   |  | Persistence   |\n| --- | --- | --- | --- | --- | --- |\n| new   | old   | EIA   | fluorescence   | phosphorescence   |  |\n| BE   | B   | P11   | blue   | blue   | medium shert   |\n| GH   | H   | P31   | green   | green   | medium short   |\n| GJ   | G   | P1   | yellowish green   | yellowish green   | medium   |\n| GL   | N   | P2   | yellowish green   | yellowish green   | medium short   |\n| GM   | P   | P7   | bluish while   | yellowish green   | long   |\n| GR   | 一   | P39   | yellowish green   | yellowish green   | long   |\n| LD   | L   | P33   | orange   | orange   | very long   |\n| w   | w   | P4   | white   | white   | medium   |\n\nPersistence is defined as the period of time during which brightness diminishes to 1/10 of itsinitial value.  \n\n| Perslatence   | JEDEC descriplion   |\n| --- | --- |\n| les than 114   | very short   |\n| 1μs..10 ps   | short   |\n| 10i…1m   | medium short   |\n| 1ms..100ms   | medium   |\n| 100 ms..15   | leng   |\n| over 1s   | very long   |\n\n# EXPLANATION OF SYMBOLS\n\n\n| A  \u003Cbr>side connection accordlng to JEDEC J1-22  \u003Cbr>Q…  \u003Cbr>anode1...4  \u003Cbr>b  \u003Cbr>metal rimband  \u003Cbr>B  \u003Cbr>side connection according to JEDEC J1-21  \u003Cbr>D:and D₂  \u003Cbr>horizontal deflection plafes  \u003Cbr>D₂and D  \u003Cbr>vertica deflection plates  \u003Cbr>d₂  \u003Cbr>horizontal deflection factor  \u003Cbr>d  \u003Cbr>verical deflection factor  \u003Cbr>f  \u003Cbr>heafer  \u003Cbr>grid 1...4  \u003Cbr>9…9;  \u003Cbr>le  \u003Cbr>heater current  \u003Cbr>internal connection;base connection should not be used as tie polnt for  \u003Cbr>i.c.  \u003Cbr>componens  \u003Cbr>k  \u003Cbr>cathode  \u003Cbr>m  \u003Cbr>exfernal conductive coating  \u003Cbr>th  \u003Cbr>heating fime  \u003Cbr>U₂  \u003Cbr>anode voltage  \u003Cbr>U…U4  \u003Cbr>yoltage of anode 1...4  \u003Cbr>U:  \u003Cbr>heafer volfage  \u003Cbr>DC voltage between grid 1...4and cathode  \u003Cbr>Ug…U  \u003Cbr>一Ugic of negative grid bias for the visual extinction of undeflected focused spof(af  \u003Cbr>oscilloscope tubes)and for raster (at monitor tubes)  \u003Cbr>Uk  \u003Cbr>voltage between grid 1 and cathode at cathode control  \u003Cbr>All voltages refer to cathode unless otherwise stated.  \u003Cbr>In double-trace oscilloscope tubes the equivalent electrodes are distinguished by subscripl  \u003Cbr>a and b.   |\n| --- |\n\nD.7-113 D.7-113F  \n# SINGLE TRACE OSCILLOsCOPE TUBE\n\n\n| with spherical faceplate(D.7-113)and flat face-  \u003Cbr>plate(D.7-113F)respectively.for medium oper-  \u003Cbr>2  \u003Cbr>ating voltages  \u003Cbr>·76.2  \u003Cbr>Application  \u003Cbr>83  \u003Cbr>in small size portable oscilloscopes for medical  \u003Cbr>and industrial purposes  \u003Cbr>液\"  \u003Cbr>Screen Types  \u003Cbr>DB 7-113 F  \u003Cbr>DB 7-113  \u003Cbr>DG 7-113 F  \u003Cbr>DG 7-113  \u003Cbr>DN 7-113 F  \u003Cbr>DN 7-113  \u003Cbr>DP 7-113F  \u003Cbr>DP 7-113  \u003Cbr>Deflection  \u003Cbr>System Structure  \u003Cbr>Base Connections  \u003Cbr>(viewed from screen end)  \u003Cbr>Arrangement of Electrodes:(bottom view)  \u003Cbr>生  \u003Cbr>一  \u003Cbr>ti  \u003Cbr>Minimum Useful Screen  \u003Cbr>Deflection Method:electro.Base  \u003Cbr>Diameter 70 mm  \u003Cbr>staticsymmetrical  \u003Cbr>Medium-Shell Mag","cbCaifBEn6ZOu3Ul","https://ap.wps.com/l/cbCaifBEn6ZOu3Ul","pdf",1009341,"English","# Type Designation System\n# Screen Designation System\n## Persistence Definition\n# Explanation of Symbols\n# Single Trace Oscilloscope Tube","[{\"question\":\"How is the type designation for oscilloscope tubes structured?\",\"answer\":\"It is built from letters and numbers: the first letter indicates tube function, subsequent letters indicate designation system details, and hyphen-separated numbers specify screen diameter/diagonal and serial development identifiers, with final letters describing faceplate/screen designations.\"},{\"question\":\"What does “persistence” mean in the screen designation system?\",\"answer\":\"Persistence is defined as the period of time during which brightness diminishes to 1/10 of its initial value, with categories such as very short, short, medium short, medium, long, and very long.\"},{\"question\":\"What is covered in the explanation of symbols section?\",\"answer\":\"It lists symbol meanings for connections and electrical parameters, including side connection codes aligned to JEDEC standards and variables for deflection plates, factors, heater quantities, voltages, grid biases, and electrode distinctions in double-trace tubes.\"}]","D.7-113 - Single Trace Oscilloscope Tube - Application | PDF",1791810226]