[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-561091-105":59,"doc-detail-561091-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","instrument-cathode-ray-tube-screen-heating-base-dimensions-and-connections","Instrument Cathode-Ray Tube - SCREEN - Heating - Base - Dimensions and connections","","Specification overview for a cathode-ray tube (CR T), including useful screen and scan parameters, indirect AC/DC heating and operating voltages. Provides quick reference data such as final accelerator voltage, deflection coefficients for horizontal and vertical, persistence and display-related dimensions. Details geometry, mounting and base socket cautions, electrode and circuit design values, typical operating conditions, and absolute limiting ratings including electrode voltages, screen dissipation, cathode current, and applicable ratio guidance for performance stability.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/instrument-cathode-ray-tube-screen-heating-base-dimensions-and-connections/561091/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/instrument-cathode-ray-tube-screen-heating-base-dimensions-and-connections/561091.png","ImageObject",300,407,{"name":92,"@type":93},"Stanley","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-21","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":19},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What are the key screen and scanning specifications provided for the tube?","Question",{"text":112,"@type":113},"The document states useful screen diameter and useful scan, including minimum full-scan size and allowable vertical shifting of the useful scan relative to the faceplate center.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How is the cathode-ray tube heated and what heating input is referenced?",{"text":117,"@type":113},"Heating is described as indirect by A.C. or D.C., with references to heater voltage and heater current.",{"name":119,"@type":110,"acceptedAnswer":120},"What limiting (absolute maximum) values are listed for key electrodes and power dissipation?",{"text":121,"@type":113},"Absolute maximum ratings are provided for final accelerator voltage, geometry/astigmatism/focusing/blanking voltages, first accelerator voltage, control grid voltage ranges, screen dissipation, and average cathode current.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},561091,1792079457,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":19,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":24,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144},2336477405376,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","# SCREEN\n\nUseful screen diameter  \nUseful scan at Vg₇(2YVg₅=2horizontalvertical  \n# HEATING\n\nIndirect by A.C.or D.C.;parallel supplyHeater voltageHeater current  \n\n| February 1969   |  |  |\n| --- | --- | --- |\n\n# INSTRUMENT CATHODE-RAY TUBE\n\n13 cm diameter flat faced short oscilloscope tube(max.35 cm)with post-de-flection acceleration by means of a helical electrode.The tube is provided withdeflection blanking.  \n\n| QUICK REFERENCE DATA   |\n| --- |\n| Final accelerator voltage  \u003Cbr>Vg₇(2)   3000 V  \u003Cbr>8cm x full scan  \u003Cbr>Display area  \u003Cbr>Mx  \u003Cbr>24 V/cm  \u003Cbr>Deflection coefficient,horizontal  \u003Cbr>My  \u003Cbr>vertical  \u003Cbr>=11.5 V/cm   |\n\n\n|  | Colour   | Persistence   |\n| --- | --- | --- |\n| D13-27GH   | green   | medium short   |\n\n114 mm  \nmin.  \nfull scan  \n80 mm  \nmin.  \nThe useful scan may be shifted vertically to a max.of 4 mm with respect to thegeometric centre of the faceplate.  \n1  \nDimensions in mm  \nMounting position:any  \nThe tube should not be supported by the base alone and under no circumstancesshould the socket be allowed to support the tube.  \n# Base\n\n14 pin all glass  \n# Dimensions and connections\n\nOverall length (also with socket type 55566)  max.  354 mn  \nFace diameter  \nmax,   135 mm  \nNet weightapprox.680 g  \n# Accessories\n\nSocket(supplied with tube)type 55566Final accelerator contact connectortype 55563Mu metal shieldtype 55557  \n\n| 2   |  |  | February 1972   |\n| --- | --- | --- | --- |\n\nCAPACITANCES  \nx1 to all other elements except x₂x₂to all other elements except x₁y1 to all other elements except y₂y2 to all other elements except y1x1 to x₂y1to y2  \nGrid No.1 to all other elementsCathode to all other elementsGrid No.3 to all other elements  \nelectrostatic  \nFOCUSING  \nDEFLECTIONdouble electrostatic  \nx plates  \nsymmetrical  \ny plates  \nsymmetrical  \nIf use is made of the full deflection capabilities of the tube the deflection plateswill intercept part of the electron beam;hence a low impedance deflection platedrive is desirable.  \nAngle between x and y traces90°±10  \nLINE WIDTH  \nMeasured with the shrinking raster method in the centre of the screen.  \nFinal accelerator voltage  \nAstigmatism control electrode voltage  \nFirst accelerator voltage  \nBeam current  \nLine width  \nHELIX  \nPost deflection accelerator helix resistanceThe helix is connected between g7(Q)andg6  \n\n|  |  |  |\n| --- | --- | --- |\n\nMarch 1970  \nVg7(2)=3000 V  \nVg5 =1500 v2)  \nVg₂    1500 V  \nIg7(2)    10 μA  \nmin.50 MS  \n3  \n# CIRCUIT DESIGN VALUES\n\nFocusing voltage  \nControl grid voltage for visualextinction of focused spot  \nDeflection coefficient at  \nVg₇(Q)Vg₅=2horizontalvertical  \nControl grid circuit resistance  \nDeflection plate circuit  \nresistance  \nFocusing electrode current  \nNotes see page 5  \n4  \n## TYPICAL OPERATING CONDITIONS\n\nFinal accelerator voltage  \nGeometry control electrode voltageAstigmatism control electrode voltageFocusing electrode voltage  \nDeflection blanking electrode voltageDeflection blanking control voltageFirst accelerator voltageControl grid voltage for visual  \nextinction of focused spot  \nDeflection coefficienthorizontalvertical  \nDeviation of linearity of deflectionGeometry distortionUseful scanhorizontalvertical  \nYg₄  200 to 370 V per kV of Vg₅-Vg₁=25 to 90 V per kV of Vg₂  \nMx=14 to 18 V/cm per kV of Vg₅My6.5 to 8.2 V/cm per kV of Vg₅Rg1=max.  1.5 MS  \nRx,Ry=max.  50 ksIg4   -15 to+10 μA⁶)  \n\n|  |  | February 1969   |\n| --- | --- | --- |\n\nVg₇(Q)=3000 VV86=1500±75 v¹)Vg₅1500±75 v²)V84=300 to 550 VVg₃二1500 V  \n△Vg3=max.-60 v³)Vg₂1500 VVg₁=-38 to-135 VMx=  21 to 27 V/cmMy=9.8 to 12.2 V/cmmax.2 %4)See note 5full scan=min.    80 mm  \n# LIMITING VALUES(Absolute max.rating system)\n\nFinal accelerator voltageVg₇(Q)=max.3300 V=min.1800 VGeometry control electrode voltageVg6=max.1700 VAstigmatism control electrode voltageVg5=max.1700 V  \n=min.1200 VFocusing electrode voltageVg₄=max.1200 VDeflection blanking electrode voltageVg₃=max.1700 VFirst accelerator voltageVg2=max,1700 VControl grid voltagenegative-V","cbCaisuVfna8x0iq","https://ap.wps.com/l/cbCaisuVfna8x0iq","pdf",196444,"English","# SCREEN\n# HEATING\n# INSTRUMENT CATHODE-RAY TUBE\n## QUICK REFERENCE DATA\n## CAPACITANCES\n## FOCUSING\n## DEFLECTION\n## LINE WIDTH\n## HELIX\n## CIRCUIT DESIGN VALUES\n## TYPICAL OPERATING CONDITIONS\n# LIMITING VALUES(Absolute max.rating system)","[{\"question\":\"What are the key screen and scanning specifications provided for the tube?\",\"answer\":\"The document states useful screen diameter and useful scan, including minimum full-scan size and allowable vertical shifting of the useful scan relative to the faceplate center.\"},{\"question\":\"How is the cathode-ray tube heated and what heating input is referenced?\",\"answer\":\"Heating is described as indirect by A.C. or D.C., with references to heater voltage and heater current.\"},{\"question\":\"What limiting (absolute maximum) values are listed for key electrodes and power dissipation?\",\"answer\":\"Absolute maximum ratings are provided for final accelerator voltage, geometry/astigmatism/focusing/blanking voltages, first accelerator voltage, control grid voltage ranges, screen dissipation, and average cathode current.\"}]","Instrument Cathode-Ray Tube - SCREEN - Heating - Base - Dimensions and connections | PDF",1791804988,13]