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Tektronix MSO2000 Series Lab Experiment

Tektronix MSO2000 Series Lab Experiment

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Introduction to Oscilloscopes
Lab Experiment
A collection of lab exercises to introduce you to the basic
controls of a digital oscilloscope in order to make common
electronic measurements.
Revision 1.0
Page 1 of 18

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Summary of Contents for Tektronix MSO2000 Series

  • Page 1 Introduction to Oscilloscopes Lab Experiment A collection of lab exercises to introduce you to the basic controls of a digital oscilloscope in order to make common electronic measurements. Revision 1.0 Page 1 of 18...

  • Page 2: Table Of Contents

    Introduction to Oscilloscopes Lab Experiment Table of Contents LABORATORY EXPERIMENT INTRODUCTION..................3 ............................... 3 BJECTIVES ............................3 QUIPMENT OVERVIEW OF AN OSCILLOSCOPE......................4 ............................4 NTRODUCTION ..................... 5 ERFORMANCE ERMS AND ONSIDERATIONS INITIAL SETUP AND SCREEN EXPLANATION..................6 ........................6 REATING A TABLE ISPLAY...

  • Page 3: Laboratory Experiment Introduction

    2. Setup an oscilloscope for a stable display of the applied signal. 3. Make common electronic measurements with a digital oscilloscope. Equipment List 1. One Tektronix MSO2000 or DPO2000 Series digital oscilloscope. 2. One Tektronix P2221 1X/10X passive probe. 3. One Host/Device USB cable.

  • Page 4: Overview Of An Oscilloscope

    Introduction to Oscilloscopes Lab Experiment Overview of an Oscilloscope Introduction An oscilloscope is an electronic test instrument that displays electrical signals graphically, usually as a voltage (vertical or Y axis) versus time (horizontal or X axis) as shown in figure 1. The intensity or brightness of a waveform is sometimes considered the Z axis.

  • Page 5: Performance Terms And Considerations

    Introduction to Oscilloscopes Lab Experiment Performance Terms and Considerations There are many ways to specify digital oscilloscope performance, but the most important are bandwidth, rise time, sample rate, and record length. Bandwidth Bandwidth is the first specification to consider. Bandwidth is the frequency range of the oscilloscope, usually measured in Megahertz (MHz).

  • Page 6: Initial Setup And Screen Explanation

    Introduction to Oscilloscopes Lab Experiment Exercise What minimum oscilloscope performance is required to properly capture 2 msec of a 1 V , 250 MHz pk-pk sine wave? • Bandwidth: • Sample Rate: • Record Length: Initial Setup and Screen Explanation Creating a Stable Display 1.

  • Page 7: Screen Explanation

    Introduction to Oscilloscopes Lab Experiment Screen Explanation 1. Following is a review of the oscilloscope’s display. a. The channel 1 vertical axis button is yellow and most of the elements on the screen that relate to the channel 1 signal are yellow in color. b.

  • Page 8: Instrument Controls

    Introduction to Oscilloscopes Lab Experiment Instrument Controls The controls of a typical oscilloscope can be grouped into three major categories: vertical, horizontal, and trigger. These are the three main functions that are used to set up an oscilloscope. The use of these controls is described in the following sections of this lab.

  • Page 9: Vertical Controls

    Introduction to Oscilloscopes Lab Experiment Vertical Controls Introduction The vertical controls set or modify the vertical scale, position, and other signal conditioning for each of the analog input channels. There is a set of vertical controls for each input channel. These controls are used to scale, position, and modify that channel’s input signal so it can be viewed appropriately on the oscilloscope display.

  • Page 10: Horizontal Controls

    Introduction to Oscilloscopes Lab Experiment Horizontal Controls Introduction The horizontal controls are used to scale and position the time axis of the oscilloscope display. There is a dedicated front panel control for setting the horizontal scale (time/division) of the display and another for setting the horizontal position of the displayed signals.

  • Page 11: Trigger Controls

    Introduction to Oscilloscopes Lab Experiment Key Points to Remember 1. The sample rate of the oscilloscope is determined by the displayed time window (and therefore, the horizontal scale factor) and the selected record length. record length sample rate time window Exercise With the horizontal scale factor set to 200 μsec/div and the record length set to 1 Mpoints, what is the oscilloscope’s sample rate? Verify your answer by looking at the acquisition details on the oscilloscope.

  • Page 12: Trigger Menu

    Introduction to Oscilloscopes Lab Experiment Exercise Using the Trigger level control, move the trigger level in and out of the signal’s voltage range and note the effect this has on the displayed signal. Note how the text in the top left portion of the display (known as the trigger indicator) changes from Auto, to Trig?, to Trig’d depending on the position of the trigger voltage level.

  • Page 13: Oscilloscope Measurements

    Introduction to Oscilloscopes Lab Experiment To return to the default Edge trigger mode, press the Type bottom bezel button and use the Multipurpose knob to select Edge trigger. Then press the front panel Menu Off button twice to remove the menus. Key Points to Remember 1.

  • Page 14: Manual Measurements

    Introduction to Oscilloscopes Lab Experiment Manual Measurements 1. The following exercise will explore making manual waveform measurements. a. Reset the oscilloscope back to a known staring point and use the front- panel controls to create this display. Normally, for greatest accuracy, the waveform is adjusted vertically to fill as much of the display as possible.

  • Page 15: Automated Measurements

    Introduction to Oscilloscopes Lab Experiment Automated Measurements 1. The MSO/DPO2000 Series oscilloscopes offer 29 automated measurements. To make automated peak-to-peak amplitude, period and frequency measurements, the oscilloscope needs to display at least one full cycle of the waveform and have the waveform fill as much of the vertical axis as possible without the signal going off the top or the bottom of the screen.

  • Page 16: Final Exercise

    Introduction to Oscilloscopes Lab Experiment Final Exercise 1. The first parameter to consider when choosing an oscilloscope is: a. Size b. Record Length c. Bandwidth d. Number of Measurements 2. Oscilloscopes usually: a. Display amplitudes such as voltages on the vertical axis of the display. b.
  • Page 17 Introduction to Oscilloscopes Lab Experiment This final exercise will require the use of the skills and knowledge gained to this point. a. Begin by using the USB cable to connect the demonstration board to the oscilloscope’s USB port as shown in the figure to the right.
  • Page 18 Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material. Specification and price change privileges reserved. TEKTRONIX and TEK are registered trademarks of Tektronix, Inc. All other trade names referenced are the service marks, trademarks or registered trademarks of their respective companies.

This manual is also suitable for:

Dpo2000 series

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