oscilloscope
Sign in to savethumb|A Tektronix model 475A portable analog oscilloscope, a typical instrument of the late 1970s thumb|Oscilloscope cathode-ray tube, the left square-shaped end would be the blue screen in the upper device when built in. thumb|Typical display of an analog oscilloscope measuring a sine wave signal with 10 kHz. From the grid inherent to the screen together with the user-set parameters of the device shown at the upper display rim, the user may calculate the frequency and the voltage of the measured signal. Modern digital oscilloscopes set the measurement parameters and calculate/display the
AI overview
An oscilloscope is an electronic instrument that displays electrical signals on a screen, allowing users to visualize and measure characteristics like frequency and voltage. It matters because it enables technicians and engineers to analyze and understand the behavior of electrical signals in circuits and systems.
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Article
51 sectionsContents
- History
- Features and uses
- Size and portability
- Inputs
- Probes
- Front panel controls
- Focus control
- Intensity control
- Astigmatism
- Beam finder
- Graticule
- Timebase controls
- Holdoff control
- Vertical sensitivity, coupling, and polarity controls
- Vertical position control
- Horizontal sensitivity control
- Horizontal position control
- Dual-trace controls
- Delayed-sweep controls
- Sweep trigger controls
- Basic types of sweep
- Triggered sweep
- Holdoff
- Example
- Automatic sweep mode
- Recurrent sweeps
- Single sweeps
- Delayed sweeps
- Dual and multiple-trace oscilloscopes
- The vertical amplifier
- X-Y mode
- Z input
- Bandwidth
- Waveform interval and sampling interval
- Other features
- Examples of use
- Pictures of use
- Automotive use
- Software
- Types and models
- Cathode-ray oscilloscope (CRO)
- Analog storage oscilloscope
- Digital oscilloscopes
- Mixed-signal oscilloscopes
- Mixed-domain oscilloscopes
- Handheld oscilloscopes
- PC-based oscilloscopes
- Related instruments
- See also
- References
- External links
thumb|A Tektronix model 475A portable analog oscilloscope, a typical instrument of the late 1970s thumb|Oscilloscope cathode-ray tube, the left square-shaped end would be the blue screen in the upper device when built in. thumb|Typical display of an analog oscilloscope measuring a sine wave signal with 10 kHz. From the grid inherent to the screen together with the user-set parameters of the device shown at the upper display rim, the user may calculate the frequency and the voltage of the measured signal. Modern digital oscilloscopes set the measurement parameters and calculate/display the signal values automatically.
An oscilloscope (formerly known as an oscillograph, informally scope or O-scope) is a type of electronic test instrument that graphically displays varying voltages of one or more signals as a function of time. Their main purpose is capturing information on electrical signals for debugging, analysis, or characterization. The displayed waveform can then be analyzed for properties such as amplitude, frequency, rise time, time interval, distortion, and others. Originally, calculation of these values required manually measuring the waveform against the scales built into the screen of the instrument. Modern digital instruments may calculate and display these properties directly.