The function of an oscilloscope is extremely simple. The vocabulary and multiplechoice written exercises on oscilloscope theory and controls make this primer a useful classroom aid. Picoscope manuel dutilisation pc oscilloscope, data. The x and y direction indicates the horizontal and vertical displacement of the beam. As you can see, the screen of this oscilloscope has 8 squares or divisions on the vertical axis, and 10 squares or divsions on the horizontal axis. Push the frontpanel default setup button to set the oscilloscope to a known starting point. Information in this publication supersedes that in all previously published material. Tektronix was founded by howard vollum and jack murdock. Locate the small knob labeled \level at the top right of the oscilloscope panel. Doped semiconductors ntype materials ptype materials diodes and transistors. Ge3100 series 2 kv 100 mhz ge3121 ge3122 ge3121ra ge3125. At the end of this lab the students should be able to read from the oscilloscope settings the frequency and amplitude of an ac signal. Introduction to the oscilloscope purdue university.
Files created for the first version of the wcelibcex project are ed by c. V defl is the electric potential across the deflection plates, which generates the vertical velocity vy and the vertical deflection d. When set to 10x, the oscilloscope reading will be one tenth of the actual signal. While a regular analog oscilloscope gives a continuous analog display of the signal, a digital oscilloscope samples the signal at set intervals chosen by. The software would need to be structured for students who had never used an oscilloscope as well as those who merely needed a refresher on particular functions. Tektronix introduced the direct view bistable storage tube dvbst. There are even soft keys on the screen, so there is a lot that can be done.
The purpose of this lab is to introduce students to the basic tools used by engineers and technicians in analyzing electronic equipment. A digital storage oscilloscope dso uses digital memory to store a waveform. Slope determines whether the trigger point is on the rising edge positive slope or the falling edge negative slope of a signal. Oscilloscope introduction abstract the objective of this lab is to introduce the principles of oscilloscope operation, to investigate the functions of various controls common to most simple oscilloscopes. Display an unknown sinusoidal electrical signal on an oscilloscope and measure its amplitude and frequency. The concepts presented in this primer will provide you with a good starting point in understanding oscilloscope basics and operation. Energy, vibrating particles, and other invisible forces are everywhere in our physical universe. Basic electronics chapter 2, 3a test t5, t6 basic electrical principles and the functions of components figures in this course book are reproduced with the permission of the american radio relay league. Additionally, you may zoom in and out by changing the values in the vdiv, offset, and sdiv boxes. Theory the oscilloscope is used as a tool for testing electrical components and circuits.
Oscilloscopes keysight infiniivision serie 2000 x guide dutilisation. On digital scopes, there may be a pushbutton, but you may have to locate the options in a menu. This means that a 20 mhz oscilloscope can be used to measure amplitude of a 20 mhz signal and will provide a measurement with a maximum of 3 db decibels of attenuation compared to. The oscilloscope is a tool commonly used by engineers and technicians to analyze and. Therefore the maximum bandwidth of an oscilloscope is defined as the frequency at which a sinusoidal input signal amplitude is. The triggered sweep oscilloscope was invented by howard vollum and jack murdock. The usefulness of the oscilloscopeor scope for shortis due primarily to its ability to display electrical signal information. But the best way to quickly learn how to use an oscilloscope, and understand what it can do.
Multimedia oscilloscope training program john bellando, joseph h. A materials oscilloscope is a timeresolved synchrotron highenergy xray technique to study rapid phase composition and microstructural related changes in a polycrystalline sample. Should you need additional assistance, or have any comments or questions about the material in this primer, simply contact your tektronix representative, or visit 4. The cathode ray oscilloscope introduction the following should give the student some familiarisation with the function and uses of the cathode ray oscilloscope c. The glossary in the back of this primer will give you definitions of unfamiliar terms. Choosing a backup generator plus 3 legal house connection options transfer switch and more duration. The oscilloscope vision is the art of seeing things invisible. Jun 15, 2011 choosing a backup generator plus 3 legal house connection options transfer switch and more duration. Cro cathode ray oscilloscope oscilloscope cathodique. Semiconductors, diodes, transistors horst wahl, quarknet presentation, june 2001 electrical conductivity. The z direction is the direction of beam before entering the.
Such device has been developed for insitu studies of specimens undergoing physical thermomechanical simulation. Alfred haas oscilloscope techniques gernsback library inc. Normally the most widely used controls are common across all scopes from whatever manufacturer, so. This knob tells the oscilloscope where your signal is and where it should look for rising and falling edges. The concept behind the implementation of the oscilloscope training package was to present an application that would be visually pleasing, easily navigable, and richly informative. The oscilloscope is arguably one of the most useful general purpose tools ever created for use by electronic engineers. Since its invention more than 100 years ago, new types, features and functionalities have been introduced. This means that a 20 mhz oscilloscope can be used to measure amplitude of a 20 mhz signal and will provide a measurement with a maximum of 3 db decibels of attenuation compared to a reference frequency of 1 khz. Oscilloscope notes in the lab we will use an oscilloscope to measure timevarying voltage waveforms. Swift 16671745 objective to learn to operate a cathode ray oscilloscope. Setup an oscilloscope for a stable display of the applied signal. Sensors can convert these forces into electrical signals that. On older analog scopes, these are mostly controlled by a dedicated switch for each function. Assuming the oscilloscope display has been properly zeroed and the vertical sensitivity is set to 5 volts per division, determine the voltage of the battery.
Because the oscilloscope allows the user to see the signals, their characteristics can be easily measured and observed. Nptel provides elearning through online web and video courses various streams. Consider a simple sine wave electrical signal from some source as in fig. Pour les experiences dans ce projet, nous utilisons loscilloscope. It not only allows us to see the shape of the waveform, but also to.
Xyzs of oscilloscopes the oscilloscope is an essential tool if you plan to design or repair electronic equipment. Using an oscilloscope tips and tricks for someone using an oscilloscope for the first time. Such an instrument is obviously useful for the design and. Although oscilloscopes are easy to use these days, it helps to have an understanding of how these items of electronics test equipment work and what controls there are and how they operate. Next, the analogtodigital converter adc in the acquisition system samples the signal. Make common electronic measurements with a digital oscilloscope. The oscilloscope now autoscales itself to produce a nice image of the input signal. Introduction to the oscilloscope saddleback college.
Sep 27, 2009 une presentation des differentes fonctionnalites et du fonctionnement dun oscilloscope. Probe compensation before using the oscilloscope probe, the oscilloscope must be calibrated, or compensated, to account for the nonideal effects that the probe has on voltage measurements. The material in this book is intended solely as a teaching aid, and is not represented to be. An oscilloscope is an electronic measuring device which provides a twodimensional visual representation of a signal. Free oscilloscopes books download ebooks online textbooks. In todays lab where v dc is an optional constant dc o. Purpose understand, read, and use the controls and features of an oscilloscope. The trigger mode determines whether or not the oscilloscope outputs a waveform.
When you have successfully captured a signal on the oscilloscope display, move to the scope channel box. Eele 250 oscilloscope notes 2 the amount of beam deflection for a part vertical deflection icular input amplifier gain. Introduction to oscilloscopes lab experiment laboratory experiment introduction objectives 1. Understand the block diagram and basic controls of a digital oscilloscope. Theory the oscilloscope, or scope for short, is a device for drawing calibrated graphs of voltage vs time very quickly and conveniently. Now that our waveform is centered, we need to make sure the oscilloscope can lock to the signal. Primer xyzs of oscilloscopes university of colorado boulder.
A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. While a regular analog oscilloscope gives a continuous analog display of the signal, a digital oscilloscope samples the signal at set intervals chosen by the user using the time per division control. As you can see, the screen of this oscilloscope has 8 squares or divisions on the vertical axis, and 10 squares or. The oscilloscope displays a graph of voltage on the vertical axis versus time on the horizontal axis. Oscilloscope lexicon a glossary covering some of the more common oscilloscope characteristics. In order to do this the incoming signal must first be digitised, once this is complete the data in the memory can be continuously replayed through a digital to analogue converter and displayed on a.
Nevin college of engineering university of cincinnati abstract innovations in multimedia technology have expanded the realm of instruction from the static world of printed manuals to the dynamic world of computerenhanced training. By setting the oscilloscope in parallel with various components in a circuit, voltage across the component can be accurately read and. How do you measure captured signals using the 1662as. Beginner oscilloscope tutorial contd once youve learned the basic oscilloscope controls, here are a few other things that you should know about. If we can arrange things so that this sinusoidal voltage is applied. Xyzs of oscilloscopes pdf 64p this book provides a solid understanding of oscilloscope basics. This made the oscilloscope much easier to use as waveforms were able to be displayed in a steady manner. Anatomy of an oscope an overview of the most critical systems on an oscilloscope the screen, horizontal and vertical controls, triggers, and probes. When set to 1x, the oscilloscope will display the actual signal to scale. If the trigger mode is auto, then the oscilloscope will continue to sample even without a trigger. Just last night i was trying to find information about 1x vs 10x probes, ac vs dc coupling, and triggering. L is the distance the beam travels to the screen and d is the deflection distance from the center of the screen. Some introductory exercises for students in the advanced labs introduction so many of the experiments in the advanced labs make use of oscilloscopes and function generators that it is useful to learn their general operation.
Oscilloscope fundamentals case school of engineering. A 20 mhz oscilloscope has a bandwidth of dc to 20 mhz. Already this first instrument contained an impressive number of achievements and innovations in circuitry to be found in every oscilloscope to this date witnessing a profound understanding of the fundamentals of electronics. Massachusetts institute of technology department of. An oscilloscope is connected to a battery of unknown voltage. Level determines where on the edge the trigger point occurs. Uk see the product page on our website for the latest available translated manual. When you attach a digital oscilloscope probe to a circuit, the vertical system adjusts the amplitude of the signal, just as in the analog oscilloscope. The following steps will describe how to automatically create a stable oscilloscope display using a 1 khz, 5 v pkpk square wave. Oscilloscope bandwidth is specified at the 3 db or a 3 db down point.