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Frae Wikipedia, the free beuk o knawledge
The interior o a cathode-ray tube for uise in an oscilloscope. 1. Deflection voltage electrode; 2. Electron gun; 3. Electron beam; 4. Focusin coil; 5. Phosphor-coatit inner side o the screen

An oscilloscope, previously cried an oscillograph,[1][2] an informally kent as a scope, CRO (for cathode-ray oscilloscope), or DSO (for the mair modren digital storage oscilloscope), is a teep o electronic test instrument that allaes observation o constantly varyin signal voltages, uisually as a twa-dimensional plot o ane or mair signals as a function o time.

References[eedit | eedit soorce]

  1. How the Cathode Ray Oscillograph Is Used in Radio Servicing, National Radio Institute (1943)
  2. "Cathode-Ray Oscillograph 274A Equipment DuMont Labs, Allen B" (in German). Radiomuseum.org. Archived frae the original on 3 Februar 2014. Retrieved 15 Mairch 2014.