Oscillogram
An oscillogram is the image displayed on the screen of an oscilloscope or the graph recorded on the log medium of an oscilloscope .
Usually these representations are used to reproduce the development of physical measured variables over time .
In the oscilloscope , an electron beam in the picture tube usually moves from left to right across the screen and is deflected vertically depending on the measured variable . The electron beam excites the fluorescent coating of the screen to glow, creating the impression of a point of light. Currently, digital oscilloscopes (DSO, English: Digital Storage Oscilloscope) are used almost exclusively. The measured variables are digitized in these devices, stored in a data memory and displayed on a liquid crystal display.
The oscillogram can also be displayed in a graphic and / or graphic format via built-in data interfaces and integrated software. Video format, depending on the equipment also to a printer and / or. PC output.
With oscilloscopes , a paper strip is usually pulled through under a pen and, depending on the measured variable, the position of the pen is changed across the direction of movement of the paper strip.
There are also oscillograms in which instead of plotting the time on one axis , cyclic measured variables are plotted on both axes .
