Skip to main content
Select Source:

oscilloscope

oscilloscope An item of electronic test equipment that can display a wide variety of waveforms of electric signals. It does this effectively by “plotting” the amplitude variations of the signal with time on a display device, normally a cathode-ray tube. The electron beam of the CRT is deflected horizontally so that the display is scanned linearly with respect to time. Vertical beam deflections, derived from the input signal, are then superimposed on the display, the horizontal and vertical deflections being synchronized by means of trigger circuits. Most oscilloscopes provide at least two input channels allowing waveforms from different sources to be compared. Some oscilloscopes provide two timebases, allowing selected portions of a waveform to be displayed at a higher frequency by inserting a defined delay in the orizontal scan. See also storage oscilloscope.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"oscilloscope." A Dictionary of Computing. . Encyclopedia.com. 18 Aug. 2017 <http://www.encyclopedia.com>.

"oscilloscope." A Dictionary of Computing. . Encyclopedia.com. (August 18, 2017). http://www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/oscilloscope

"oscilloscope." A Dictionary of Computing. . Retrieved August 18, 2017 from Encyclopedia.com: http://www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/oscilloscope

oscilloscope

oscilloscope (əsĬl´əskōp´), electronic device used to produce visual displays corresponding to electrical signals. Displays of such nonelectrical phenomena as the variations of a sound's intensity can be made if the phenomena are converted into electrical signals. The display is formed by a moving dot on the screen of a cathode-ray tube. For most applications horizontal deflecting circuits move the dot in a repetitive cycle from left to right, and then, very quickly, back to its starting position to begin the next sweep. If during this process the vertical deflecting circuits move the dot up and down in response to the variations of the signal to be observed, a wavelike picture of the signal appears on the screen. An oscilloscope is one of the most valuable tools of an engineer or electronics technician.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"oscilloscope." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 18 Aug. 2017 <http://www.encyclopedia.com>.

"oscilloscope." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (August 18, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/oscilloscope

"oscilloscope." The Columbia Encyclopedia, 6th ed.. . Retrieved August 18, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/oscilloscope

oscilloscope

oscilloscope (cathode-ray oscilloscope) Electronic instrument in which a cathode-ray tube (CRT) system displays how quantities, such as voltage or current, vary over a period of time. The electron beam that traces the pattern on the screen is moved by a time-base generator within the oscilloscope. The result is generally a curve or graph on the screen.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"oscilloscope." World Encyclopedia. . Encyclopedia.com. 18 Aug. 2017 <http://www.encyclopedia.com>.

"oscilloscope." World Encyclopedia. . Encyclopedia.com. (August 18, 2017). http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/oscilloscope

"oscilloscope." World Encyclopedia. . Retrieved August 18, 2017 from Encyclopedia.com: http://www.encyclopedia.com/environment/encyclopedias-almanacs-transcripts-and-maps/oscilloscope

oscilloscope

oscilloscope (oss-il-ŏ-skohp) n. a cathode-ray tube designed to display electronically a wave form corresponding to the electrical data fed into it. Oscilloscopes are used to provide a continuous record of many different measurements, such as the activity of the heart and brain. See electrocardiography, electroencephalography.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"oscilloscope." A Dictionary of Nursing. . Encyclopedia.com. 18 Aug. 2017 <http://www.encyclopedia.com>.

"oscilloscope." A Dictionary of Nursing. . Encyclopedia.com. (August 18, 2017). http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/oscilloscope

"oscilloscope." A Dictionary of Nursing. . Retrieved August 18, 2017 from Encyclopedia.com: http://www.encyclopedia.com/caregiving/dictionaries-thesauruses-pictures-and-press-releases/oscilloscope

oscilloscope

os·cil·lo·scope / əˈsiləˌskōp/ • n. a device for viewing oscillations, as of electrical voltage or current, by a display on the screen of a cathode-ray tube. DERIVATIVES: os·cil·lo·scop·ic / əˌsiləˈskäpik/ adj.

Cite this article
Pick a style below, and copy the text for your bibliography.

  • MLA
  • Chicago
  • APA

"oscilloscope." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 18 Aug. 2017 <http://www.encyclopedia.com>.

"oscilloscope." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (August 18, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/oscilloscope

"oscilloscope." The Oxford Pocket Dictionary of Current English. . Retrieved August 18, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/oscilloscope