Analog oscilloscope parts and functions pdf

If you want a summer project fixing hitachi scopes, ive got a dozen in the repair pile. Included are the identification and function of controls, connectors, and indicators, startup procedures, basic operating routines, and selected measurement. Since its invention more than 100 years ago, new types, features and functionalities have been introduced. Function generators, whether the old analog type or the newer digital type, have a few.

The oscilloscope is arguably one of the most useful general purpose tools ever created for use by electronic engineers. We also will see some of the limitations that these old. The analog discovery lets developers build and test analog and digital circuits in virtually any environment, in or out of the lab. In part 2, we look at some of the basic functions of the oscilloscope using our newly repaired devry scope. On older analog scopes this is a cathoderay tube or crt. Oscilloscopes come in two basic types, analogue or digital, and support various features and functions useful for measuring and testing electronic circuits. In conclusion, to use an analog oscilloscope, you need to adjust three basic settings to. Essential parts and controls almost every oscilloscope will have the following parts controls. Thus, pretrigger viewing is not available in analog oscilloscopes, with the exception of a small amount of pretrigger provided by a delay line in the vertical system. The oscilloscope, often just called the scope, displays the signals as a plot of magnitude versus time. The stream of electrons is focused onto a welldefined spot on a fluorescent screen by an electrostatic focusing system that consists of a series of metal discs and cylinders.

Analog oscilloscope operation manual jameco electronics. The cathode consists of a barium and strontium oxide coated, thin, heated filament from which a stream of electrons is emitted. Theory the oscilloscope, or scope for short, is a device for drawing calibrated graphs of voltage vs time very quickly and conveniently. The oscilloscope vision is the art of seeing things invisible. Part ii introduction to the tektronix 2215 analog oscilloscope. Analog oscilloscopes use a cathode ray tube and display the signal much like a television set displays an image. Swift 16671745 objective to learn to operate a cathode ray oscilloscope. Oscilloscope working principle oscilloscope parts and. Refer to this figure as you read the following list and descriptions of the various controls and related circuits involved.

Pretrigger viewing is a valuable troubleshooting aid. Oscilloscope series part 2 basic oscilloscope functions. Such an instrument is obviously useful for the design and. Oscilloscope front panel with functional blocks marked. Oscilloscope basics all oscilloscopes share certain basic features. Oscilloscopes are tools that allow engineers to view signals graphically. You can see the moving parts of a circuit represented by the signal. Analogue oscilloscope an overview sciencedirect topics. As for the arbitraryfunction generator, the default settings of the oscilloscope can be manually. An analog scope is an oscilloscope constructed with analog circuit technology and signals are. When using the analog inputs, an mso scope is equivalent to a dso. The cathode ray tube within an analog oscilloscope is shown schematically in figure 9. Trace jargon term for the visible part of a scopes measurement cycle. Oscilloscope fundamentals case school of engineering.