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TDS 700C
User Manual
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Tektronix TDS 700C, TDS 600B, TDS 500C User Manual

User Manual

TDS 500C, TDS 600B & TDS 700C Digitizing Oscilloscopes
070-9869-00
This document applies for firmware version 1.0 and above.
Copyright T ektronix, Inc. All rights reserved. Licensed software products are owned by Tektronix or its suppliers and are protected by United States copyright laws and international treaty provisions.
T ektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved.
Printed in the U.S.A. T ektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000 TEKTRONIX, TEK, FastFrame, FlexFormat, and InstaVu are registered trademarks of Tektronix, Inc.

WARRANTY

T ektronix warrants that this product will be free from defects in materials and workmanship for a period of three (3) years from the date of shipment. If any such product proves defective during this warranty period, T ektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for packaging and shipping the defective product to the service center designated by T ektronix, with shipping charges prepaid. T ektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the T ektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate maintenance and care. T ektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting from attempts by personnel other than T ektronix representatives to install, repair or service the product; b) to repair damage resulting from improper use or connection to incompatible equipment; or c) to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT IN LIEU OF ANY OTHER WARRANTIES, EXPRESSED OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PAR TICULAR PURPOSE. TEKTRONIX’ RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUST OMER FOR BREACH OF THIS WARRANTY. TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT , SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

Table of Contents

Getting Started
Operating Basics
General Safety Summary xi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preface xiii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Related Manuals xiii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Default Model xiv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model References xiv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Conventions xiv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product Description 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differences by Model 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product Specification 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start Up 1–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparation 1–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Putting into Service 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Interface Maps 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tutorial 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting Up for the Examples 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example 1: Displaying a Waveform 2–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example 2: Displaying Multiple Waveforms 2–17. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example 3: T aking Automated Measurements 2–22. . . . . . . . . . . . . . . . . . . . . . . . . .
Example 4: Saving Setups 2–28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference
Overview 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Acquiring and Displaying Waveforms 3–5. . . . . . . . . . . . . . . . . . . . . . . . .
Coupling Waveforms to the Oscilloscope 3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Setting up Automatically: Autoset and Reset 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . .
Selecting Channels 3–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scaling and Positioning Waveforms 3–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Choosing an Acquisition Mode 3–25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customizing the Display 3–38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Customizing the Display Color 3–44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Zooming on Waveforms 3–49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using InstaVuT Acquisition Mode 3–55. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using FastFrame 3–59. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Triggering on Waveforms 3–63. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Triggering Concepts 3–63. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Triggering from the Front Panel 3–68. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Triggering on a Waveform Edge 3–72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Triggering Based on Logic 3–76. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TDS 500C, TDS 600B, & TDS 700C User Manual
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Table of Contents
Triggering on Pulses 3–89. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Communications Triggering 3–103. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Delayed Triggering 3–106. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Measuring Waveforms 3–113. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T aking Automated Measurements 3–114. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T aking Cursor Measurements 3–126. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T aking Graticule Measurements 3–132. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displaying Histograms (TDS 500C and TDS 700C Only) 3–133. . . . . . . . . . . . . . . . .
Mask T esting (Option 2C Only) 3–136. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optimizing Measurement Accuracy: SPC and Probe Cal 3–141. . . . . . . . . . . . . . . . . .
Saving Waveforms and Setups 3–151. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Saving and Recalling Setups 3–151. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Saving and Recalling Waveforms and Acquisitions 3–154. . . . . . . . . . . . . . . . . . . . . .
Managing the File System 3–160. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Printing a Hardcopy 3–164. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Communicating with Remote Instruments 3–174. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Determining Status and Accessing Help 3–179. . . . . . . . . . . . . . . . . . . . . . . .
Displaying Status 3–179. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displaying Help 3–181. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using Features for Advanced Applications 3–183. . . . . . . . . . . . . . . . . . . . . .
Limit Testing 3–183. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Waveform Math 3–188. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fast Fourier Transforms 3–191. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Waveform Differentiation 3–210. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Waveform Integration 3–215. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendices
Glossary Index
Appendix A: Options and Accessories A–1. . . . . . . . . . . . . . . . . . . . . . . . . .
Options A–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Accessories A–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Accessories A–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix B: Algorithms B–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix C: Packaging for Shipment C–1. . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix D: Probe Selection D–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix E: Inspection and Cleaning E–1. . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix F: Programmer Disk F–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii
TDS 500C, TDS 600B, & TDS 700C User Manual

List of Figures

Table of Contents
Figure 1–1: Rear Panel Controls Used in Start Up 1–7. . . . . . . . . . . . . . .
Figure 1–2: ON/STBY Button 1–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–1: Connecting a Probe for the Examples (P6245 shown) 2–10. .
Figure 2–2: SETUP Button Location 2–11. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–3: The Setup Menu 2–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–4: Trigger Controls 2–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–5: The Display After Factory Initialization 2–13. . . . . . . . . . . . .
Figure 2–6: The VERTICAL and HORIZONTAL Controls 2–14. . . . . . .
Figure 2–7: TRIGGER Controls 2–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–8: AUTOSET Button Location 2–16. . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–9: The Display After Pressing Autoset 2–16. . . . . . . . . . . . . . . . .
Figure 2–10: Display Signals Requiring Probe Compensation 2–17. . . . . .
Figure 2–11: The Channel Buttons and Lights 2–18. . . . . . . . . . . . . . . . . . .
Figure 2–12: The Vertical Main Menu and Coupling Side Menu 2–20. . . .
Figure 2–13: The Menus After Changing Channels 2–21. . . . . . . . . . . . . .
Figure 2–14: Measure Main Menu and Select Measurement
Side Menu 2–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–15: Four Simultaneous Measurement Readouts 2–24. . . . . . . . .
Figure 2–16: General Purpose Knob Indicators 2–26. . . . . . . . . . . . . . . . .
Figure 2–17: Snapshot of Channel 1 2–28. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–18: Save/Recall Setup Menu 2–30. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–1: How Probe Compensation Affects Signals 3–6. . . . . . . . . . . .
Figure 3–2: P6139A Probe Adjustment 3–7. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–3: The Channel Readout 3–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–4: Waveform Selection Priority 3–13. . . . . . . . . . . . . . . . . . . . . . .
Figure 3–5: Scaling and Positioning 3–15. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–6: Vertical Readouts and Channel Menu 3–16. . . . . . . . . . . . . . .
Figure 3–7: Record View and Time Base Readouts 3–19. . . . . . . . . . . . . . .
Figure 3–8: Horizontal Controls 3–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–9: Displaying an Extended Acquisition Length Record 3–23. . .
Figure 3–10: Extended Acquisition Length and Zoom 3–24. . . . . . . . . . . .
Figure 3–11: Acquisition: Input Analog Signal, Sample, and Digitize 3–25 Figure 3–12: Several Points May be Acquired for Each Point Used 3–26.
Figure 3–13: Real-Time Sampling 3–26. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TDS 500C, TDS 600B, & TDS 700C User Manual
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Table of Contents
Figure 3–14: Equivalent-Time Sampling 3–27. . . . . . . . . . . . . . . . . . . . . . .
Figure 3–15: How the Acquisition Modes Work 3–31. . . . . . . . . . . . . . . . .
Figure 3–16: Acquisition Menu and Readout 3–33. . . . . . . . . . . . . . . . . . . .
Figure 3–17: Acquire Menu — Stop After 3–36. . . . . . . . . . . . . . . . . . . . . .
Figure 3–18: Aliasing 3–37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–19: Display Menu — Style 3–40. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–20: Trigger Point and Level Indicators 3–41. . . . . . . . . . . . . . . . .
Figure 3–21: Display Menu — Setting 3–45. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–22: Display Menu — Palette Colors 3–47. . . . . . . . . . . . . . . . . . .
Figure 3–23: Display Menu — Map Reference Colors 3–48. . . . . . . . . . . .
Figure 3–24: Display Menu — Restore Colors 3–49. . . . . . . . . . . . . . . . . . .
Figure 3–25: Zoom Mode with Horizontal Lock Set to None 3–52. . . . . . .
Figure 3–26: Dual Window (Preview) Mode 3–53. . . . . . . . . . . . . . . . . . . . .
Figure 3–27: Dual Zoom — Shown Dual Window (Preview) Mode 3–55. .
Figure 3–28: InstaVu Display 3–56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–29: Normal DSO Acquisition and Display Mode Versus
InstaVu Mode 3–57. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–30: Fast Frame 3–59. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–31: Horizontal Menu — FastFrame Setup 3–60. . . . . . . . . . . . . .
Figure 3–32: Triggered Versus Untriggered Displays 3–64. . . . . . . . . . . . .
Figure 3–33: Trigger Holdoff Time Ensures Valid Triggering 3–67. . . . . .
Figure 3–34: Slope and Level Controls Help Define the Trigger 3–68. . . .
Figure 3–35: TRIGGER Controls and Status Lights 3–69. . . . . . . . . . . . . .
Figure 3–36: Example Trigger Readouts — Edge Trigger Selected 3–71. . Figure 3–37: Record View, Trigger Position, and Trigger Level
Bar Readouts 3–72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–38: Edge Trigger Readouts 3–73. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–39: Main Trigger Menu — Edge Type 3–73. . . . . . . . . . . . . . . . .
Figure 3–40: Violation Zones for Setup/Hold Triggering 3–80. . . . . . . . . .
Figure 3–41: Logic Trigger Readouts — State Class Selected 3–81. . . . . .
Figure 3–42: Logic Trigger Menu 3–82. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–43: Logic Trigger Menu — Time Qualified TRUE 3–84. . . . . . .
Figure 3–44: Triggering on a Setup/Hold Time Violation 3–88. . . . . . . . . .
Figure 3–45: Pulse Trigger Readouts 3–90. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–46: Main Trigger Menu — Glitch Class 3–92. . . . . . . . . . . . . . . .
Figure 3–47: Main Trigger Menu — Runt Class 3–95. . . . . . . . . . . . . . . . .
Figure 3–48: Main Trigger Menu — Slew Rate Class 3–100. . . . . . . . . . . . .
Figure 3–49: Main Trigger Menu — Comm Type 3–105. . . . . . . . . . . . . . . .
Figure 3–50: Delayed Runs After Main 3–107. . . . . . . . . . . . . . . . . . . . . . . . .
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TDS 500C, TDS 600B, & TDS 700C User Manual
Table of Contents
Figure 3–51: Delayed Triggerable 3–107. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–52: How the Delayed Triggers Work 3–109. . . . . . . . . . . . . . . . . . .
Figure 3–53: Delayed Trigger Menu 3–111. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–54: Histogram, Graticule, Cursor and Automated
Measurements 3–113. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–55: Measurement Readouts with Statistics 3–117. . . . . . . . . . . . . .
Figure 3–56: Measure Menu 3–118. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–57: Measure Menu — Gating 3–119. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–58: Measure Menu — Reference Levels 3–121. . . . . . . . . . . . . . . .
Figure 3–59: Measure Delay Menu — Delay To 3–122. . . . . . . . . . . . . . . . . .
Figure 3–60: Snapshot Menu and Readout 3–124. . . . . . . . . . . . . . . . . . . . . .
Figure 3–61: Cursor Types 3–127. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–62: Cursor Modes 3–128. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–63: H Bars Cursor Menu and Readouts 3–129. . . . . . . . . . . . . . . .
Figure 3–64: Paired Cursor Menu and Readouts 3–130. . . . . . . . . . . . . . . .
Figure 3–65: Histogram Menu and Vertical Histogram 3–133. . . . . . . . . . .
Figure 3–66: Mask menu 3–137. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–67: Creating a User Mask 3–140. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–68: Performing a Signal Path Compensation 3–143. . . . . . . . . . . .
Figure 3–69: Probe Cal Menu and Gain Compensation Display 3–146. . . .
Figure 3–70: Re-use Probe Calibration Data Menu 3–149. . . . . . . . . . . . . . .
Figure 3–71: Save/Recall Setup Menu 3–152. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–72: Save Waveform Menu 3–155. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–73: More Menu 3–158. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–74: File Utilities 3–161. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–75: File System — Labeling Menu 3–162. . . . . . . . . . . . . . . . . . . . .
Figure 3–76: Utility Menu — System I/O 3–166. . . . . . . . . . . . . . . . . . . . . . .
Figure 3–77: Hardcopy Formats 3–167. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–78: Date and Time Display 3–168. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–79: Connecting the Oscilloscope Directly to the
Hardcopy Device 3–169. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–80: Connecting the Oscilloscope and Hardcopy
Device Via a PC 3–172. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–81: Typical GPIB Network Configuration 3–175. . . . . . . . . . . . . .
Figure 3–82: Stacking GPIB Connectors 3–176. . . . . . . . . . . . . . . . . . . . . . .
Figure 3–83: Connecting the Oscilloscope to a Controller 3–176. . . . . . . . .
Figure 3–84: Utility Menu 3–177. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–85: Status Menu — System 3–180. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–86: Banner Display 3–181. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TDS 500C, TDS 600B, & TDS 700C User Manual
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Table of Contents
Figure 3–87: Initial Help Screen 3–182. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–88: Comparing a Waveform to a Limit Template 3–184. . . . . . . .
Figure 3–89: Acquire Menu — Create Limit Test Template 3–185. . . . . . . .
Figure 3–90: More Menu 3–189. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–91: Dual Waveform Math Main and Side Menus 3–190. . . . . . . .
Figure 3–92: System Response to an Impulse 3–193. . . . . . . . . . . . . . . . . . . .
Figure 3–93: Define FFT Waveform Menu 3–194. . . . . . . . . . . . . . . . . . . . . .
Figure 3–94: FFT Math Waveform in Math1 3–196. . . . . . . . . . . . . . . . . . . .
Figure 3–95: Cursor Measurement of an FFT Waveform 3–197. . . . . . . . . .
Figure 3–96: Waveform Record vs. FFT Time Domain Record 3–199. . . . .
Figure 3–97: FFT Time Domain Record vs. FFT Frequency
Domain Record 3–200. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–98: How Aliased Frequencies Appear in an FFT 3–204. . . . . . . . .
Figure 3–99: Windowing the FFT Time Domain Record 3–207. . . . . . . . . .
Figure 3–100: FFT Windows and Bandpass Characteristics 3–210. . . . . . .
Figure 3–101: Derivative Math Waveform 3–212. . . . . . . . . . . . . . . . . . . . . .
Figure 3–102: Peak-Peak Amplitude Measurement of a Derivative
Waveform 3–213. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–103: Integral Math Waveform 3–217. . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–104: H Bars Cursors Measure an Integral Math Waveform 3–218
Figure B–1: MCross Calculations B–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B–2: Fall Time B–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B–3: Rise Time B–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B–4: Choosing Minima or Maxima to Use for Envelope
Measurements B–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure D–1: Typical High Voltage Probes D–3. . . . . . . . . . . . . . . . . . . . . . .
Figure D–2: A6303 Current Probe Used in the AM 503S Opt. 03 D–5. . .
Figure F–1: Equipment Needed to Run the Example Programs F–1. . . .
vi
TDS 500C, TDS 600B, & TDS 700C User Manual

List of Tables

Table of Contents
Table 1–1: Key Features and differences of models 1–2. . . . . . . . . . . . . .
Table 1–2: Fuse and fuse cap part numbers 1–7. . . . . . . . . . . . . . . . . . . .
Table 3–1: Autoset defaults 3–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–2: How interleaving affects sample rate 3–29. . . . . . . . . . . . . . . . .
Table 3–3: Additional resolution bits 3–32. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–4: TDS 500C and TDS 700C Sampling mode selection
(when fit to screen is off) 3–35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–5: XY Format pairs 3–43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–6: Pattern and State Logic 3–78. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–7: Pulse trigger definitions 3–90. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–8: Comm triggers 3–103. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–9: Communications pulse forms 3–106. . . . . . . . . . . . . . . . . . . . . . .
Table 3–10: Measurement definitions 3–114. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–11: Measurement definitions 3–135. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–12: Standard masks 3–141. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–13: Probe cal status 3–150. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table A–1: Options A–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table A–2: Standard Accessories A–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table A–3: Optional Accessories A–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table A–4: Accessory software A–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table E–1: External inspection check list E–2. . . . . . . . . . . . . . . . . . . . . .
TDS 500C, TDS 600B, & TDS 700C User Manual
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Table of Contents
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TDS 500C, TDS 600B, & TDS 700C User Manual

General Safety Summary

Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified.
Only qualified personnel should perform service procedures.

To Avoid Fire or Personal Injury

Use Proper Power Cord. Use only the power cord specified for this product and
certified for the country of use. Connect and Disconnect Properly . Do not connect or disconnect probes or test
leads while they are connected to a voltage source. Ground the Product. This product is grounded through the grounding conductor
of the power cord. To avoid electric shock, the grounding conductor must be connected to earth ground. Before making connections to the input or output terminals of the product, ensure that the product is properly grounded.
Observe All Terminal Ratings. To avoid fire or shock hazard, observe all ratings and marking on the product. Consult the product manual for further ratings information before making connections to the product.
The common terminal is at ground potential. Do not connect the common terminal to elevated voltages.
Do not apply a potential to any terminal, including the common terminal, that exceeds the maximum rating of that terminal.
Do Not Operate Without Covers. Do not operate this product with covers or panels removed.
Use Proper Fuse. Use only the fuse type and rating specified for this product. Avoid Exposed Circuitry. Do not touch exposed connections and components
when power is present. Do Not Operate With Suspected Failures. If you suspect there is damage to this
product, have it inspected by qualified service personnel.
TDS 500C, TDS 600B, & TDS 700C User Manual
ix
General Safety Summary
Do Not Operate in Wet/Damp Conditions. Do Not Operate in an Explosive Atmosphere. Keep Product Surfaces Clean and Dry . Provide Proper Ventilation. Refer to the manual’s installation instructions for
details on installing the product so it has proper ventilation.

Symbols and Terms

T erms in this Manual. These terms may appear in this manual:
WARNING. Warning statements identify conditions or practices that could result in injury or loss of life.
CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property.
T erms on the Product. These terms may appear on the product: DANGER indicates an injury hazard immediately accessible as you read the
marking. WARNING indicates an injury hazard not immediately accessible as you read the
marking. CAUTION indicates a hazard to property including the product. Symbols on the Product. The following symbols may appear on the product:
WARNING
High Voltage
x
Protective Ground
(Earth) T erminal
TDS 500C, TDS 600B, & TDS 700C User Manual
CAUTION
Refer to Manual
Double
Insulated

Preface

Related Manuals
This is the User Manual for the TDS 500C, TDS 600B, & TDS 700C Digitizing Oscilloscopes.
The chapter Getting Started briefly describes the TDS Oscilloscope, prepares you to install it, and tells you how to put it into service.
The chapter Operating Basics covers basic principles of the operation of the oscilloscope. The operating interface illustrations and the tutorial examples rapidly help you understand how your oscilloscope operates.
The chapter Reference teaches you how to perform specific tasks. See page 3–1 for a complete list of operating tasks covered in that chapter.
The Appendices provide an options listing, an accessories listing, and other useful information.
The following documents are related to the use or service of the oscilloscope. The TDS Family Digitizing Oscilloscopes Programmer Manual (diskette is
included with the user manual) describes using a computer to control the
oscilloscope through the GPIB interface. The TDS 500C, TDS 600B, & TDS 700C Reference gives you a quick
overview of how to operate the oscilloscope.
The TDS 500C, TDS 600B, & TDS 700C Technical Reference (Performance
Verification and Specifications) tells how to verify the performance of the
oscilloscope and lists its specifications. The TDS Family Option 05 Video Trigger Instruction Manual describes use
of the video trigger option (for TDS oscilloscopes equipped with that option
only). The TDS 500C, TDS 600B, & TDS 700C Service Manual provides informa-
tion for maintaining and servicing the oscilloscope to the module level.
TDS 500C, TDS 600B, & TDS 700C User Manual
xi
Preface
Default Model
Model References
This manual documents the TDS 500C, TDS 600B, & TDS 700C Digitizing Oscilloscopes. Take special note of the following conventions:
Some TDS models have two auxiliary channels called AUX 1 and AUX 2,
instead of CH 3 and CH 4. References to these channels default to CH 3 and CH 4; if your oscilloscope is one of these models, read AUX 1 and AUX 2 respectively for all references to CH 3 and CH 4 in this manual.
The TDS 684B display screen appears as the default screen wherever a
display screen is illustrated in this manual.
This manual documents the TDS 500C, TDS 600B, & TDS 700C Digitizing Oscilloscopes. Take note of the following conventions used when referencing these oscilloscopes:
Conventions
The name “TDS 500C” is used when providing information common to the
TDS 520C and TDS 540C model oscilloscopes.
The name “TDS 600B” is used when providing information common to the
TDS 620B, TDS 644B, TDS 680B, and TDS 684B model oscilloscopes.
The name “TDS 700C” is used when providing information common to the
TDS 724C, TDS 754C, and TDS 784C model oscilloscopes.
In this manual, you will find various procedures which contain steps of instructions for you to perform. To keep those instructions clear and consistent, this manual uses the following conventions:
In procedures, names of front panel controls and menu labels appear in
boldface print.
xii
TDS 500C, TDS 600B, & TDS 700C User Manual
Preface
Names also appear in the same case (initial capitals or all uppercase) in the
manual as is used on the oscilloscope front panel and menus. Front panel names
are all upper case letters, for example, VERTICAL MENU and CH 1.
Instruction steps are numbered. The number is omitted if there is only one step. When steps require that you make a sequence of selections using front panel
controls and menu buttons, an arrow ( ➞
front panel button and a menu, or between menus. Also, whether a name is a
main menu or side menu item is clearly indicated: Press VERTICAL
MENU ➞ Coupling (main) ➞ DC (side) ➞ Bandwidth (main) ➞
250 MHz (side).
Using the convention just described results in instructions that are graphically intuitive and simplifies procedures. For example, the instruction just given replaces these five steps:
1. Press the front-panel button VERTICAL MENU.
2. Press the main-menu button Coupling.
) marks each transition between a
3. Press the side-menu button DC.
4. Press the main-menu button Bandwidth.
5. Press the side-menu button 250 MHz.
Sometimes you may have to make a selection from a pop-up menu: Press TRIGGER MENU ➞ Type (main) ➞ Edge (pop-up). In this example, you repeatedly press the main menu button Type until Edge is highlighted in the pop-up menu.
TDS 500C, TDS 600B, & TDS 700C User Manual
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Preface
xiv
TDS 500C, TDS 600B, & TDS 700C User Manual
Getting Started

Product Description

The Tektronix TDS Oscilloscope is a superb tool for acquiring, displaying, and measuring waveforms. Its performance addresses the needs of both benchtop lab and portable applications with the following features:
H A maximum sample rate of up to 5 GS/s per channel, depending on the
model (see Table 1–1 Key Features and Differences of by Models) H A analog bandwidth of 1 GHz or 500 MHz, depending on the model (see
Table 1–1) H Records lengths up to 50 K standard and 500 K with Option 1M and up to
8 M with Option 2M, depending on the model (see Table 1–1) H Four channel or 2 + 2 channel operation, depending on model. (Two plus
Two channel operation allows two of four channels to be displayed
simultaneously.) All channels have 8-bit resolution. (See Table 1–1.) H Trigger modes include edge, logic, and pulse. Video trigger modes, available
with option 05 only, include NTSC, SECAM, PAL, HDTV, and FlexFor-
matT. Available with option 2C only, 28 Communications trigger modes
(see Table 3–8 on page 3–103). H Dual Window Zoom, which shows a waveform magnified and unmagnified
on the same display H Sample, envelope, average, high res, peak-detect and InstaVuT acquisition
mode, which updates the display at rates rivaling the fastest analog oscillo-
scopes (see Table 1–1 for models and modes available)
TDS 500C, TDS 600B, & TDS 700C User Manual
1–1
Product Description
Differences by Model
Table 1–1 lists some key TDS features and relates them to the different TDS models that this manual covers.
T able 1–1: Key Features and differences of models
Feature 520C 540C 620B 644B 680B 684B 724C 754C 784C
No. of channels 2+2
1
4 2 + 2
Digitizing rate, max. 1 GS/s 2 GS/s 2.5 GS/s 5 GS/s 1 GS/s 2 GS/s 4 GS/s
1
4 2 + 2
1
4 2 + 2
1
4 4
No. of Channels. @ maxi-
1 2 4 2 4 1 2 1
mum rate Analog Bandwidth 500 MHz 1 GHz 500 MHz 1 GHz Record Lengths, max. To 50K/Channel
2
T o 15K/Channel To 50K/Channel
2
InstaVu Acquisitions Yes No Yes Hi Res Acquisitions Yes No Yes Advanced DSP Math Communication Signal
3
Opt. 2F Opt. 2F Std.
Opt. 2C No Opt. 2C
4
Analyzer Storage, Hard Disk Opt. HD No Opt. HD Storage, Floppy Disk Std. I/0 includes RS–232 and
Centronics
5
Opt. 13 Std.
Display Mono Color Mono Color
1
Two plus Two channel operation allows two of four channels to be displayed simultaneously. Channels not displayed can be used to couple a triggering signal to the oscilloscope.
2
This TDS model can be purchased with Option 1M or Option 2M, which add longer record length settings (up to 2 Mb/channel). See Option 1M and Option 2M on page A–2.
3
Advanced digital signal processing provides FFTs, integrals, and derivatives of waveforms. See Option 2F on page A–4.
4
Std. denotes a standard product feature as opposed to a feature included as part of an option.
5
GPIB I/O included with all models.
1–2
TDS 500C, TDS 600B, & TDS 700C User Manual
Product Specification
Product Description
The product specification is found in the technical reference TDS 500C,
TDS 600B, & TDS 700C Technical Reference (Performance Verification and Specifications) that is shipped as a standard accessory with the TDS Oscillo-
scope.
TDS 500C, TDS 600B, & TDS 700C User Manual
1–3
Product Description
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TDS 500C, TDS 600B, & TDS 700C User Manual

Start Up

Preparation
Before you use the TDS Oscilloscope, ensure that it is properly installed and powered on.
To ensure maximum accuracy for your most critical measurements, you should know about signal path compensation and the proper use of the probe you choose to use with your oscilloscope.

Signal Path Compensation

Recommended Probes

Probe Usage

Be sure you compensate your oscilloscope for the surrounding temperature. This action, called Signal Path Compensation (SPC), ensures maximum possible accuracy for your most critical measurements. See Signal Path Compensation on page 3–142 for a description of and operating information on this feature.
The TDS 680B, TDS 684B, and TDS 784C oscilloscopes ship without probes. To take advantage of the higher bandwidth of the oscilloscopes, order the P6245 Active Probe.
The remaining TDS 500C, TDS 600B, and TDS 700C oscilloscopes ship with general-purpose probes — either the P6139A or the P6243, depending on the oscilloscope model. The standard-accessory probes and quantities shipped for these oscilloscopes are listed on in Standard Accessories on page A–4.
For a list of optional-accessory probes for all TDS 500C, TDS 600B, and TDS 700C oscilloscope models, see Accessory Probes on page A–5.
Be sure you use the appropriate probe for the measurement. For instance, do not use the P6245 Active Probe to measure signals greater than ±8 volts or with more than ±10 volts of offset, since errors in signal measurement will result. (See the User manual for the probe for more information.) Instead, use a passive probe, such as P6139A passive probe, that allows higher voltage measurements. The P6139A probe is for measurements up to ±500 volts.
TDS 500C, TDS 600B, & TDS 700C User Manual
1–5
Start Up
CAUTION. Using the P6243 or P6245 Active Probe to measure signals greater than ±40 volts may damage the probe.

Input Coupling

Putting into Service

Installation

Be sure to choose the proper input coupling and impedance for the probe or other cabling you use to couple signals to your oscilloscope. You should read Input Impedance Considerations on page 3–7 for information needed to ensure proper coupling of your input signals.
To learn how to install, access the front panel, power on, do a self test, and power off the oscilloscope, do the following procedures:
To properly install and power on the oscilloscope, do the following steps:
1. Be sure you have the appropriate operating environment. Specifications for
temperature, relative humidity, altitude, vibrations, and emissions are included in the TDS 500C, TDS 600B, & TDS 700C Technical Reference (Performance Verification and Specifications) manual (Tektronix part number 070-9874-xx).
2. Leave space for cooling. Do this by verifying that the air intake and exhaust
holes on the sides of the cabinet (where the fan operates) are free of any airflow obstructions. Leave at least 5.1 cm (2 inches) free on each side.
1–6
WARNING. To avoid electrical shock, be sure that the power cord is disconnected before checking the fuse.
3. Check the fuse to be sure it is the proper type and rating (see Figure 1–1).
You can use either of two fuses. Each fuse requires its own cap (see Table
1–2). The oscilloscope is shipped with the UL approved fuse installed.
4. Check that you have the proper electrical connections. The oscilloscope
requires 90 to 250 VAC require up to 300 W.
, continuous range, 45 Hz to 440 Hz, and may
RMS
TDS 500C, TDS 600B, & TDS 700C User Manual
Power Connector
Principal Power Switch
Fuse
Start Up
Figure 1–1: Rear Panel Controls Used in Start Up
5. Connect the proper power cord from the rear-panel power connector (see
Figure 1–1) to the power system.

Front Cover Removal

Power On

T able 1–2: Fuse and fuse cap part numbers
Fuse cap part
Fuse Fuse part number
0.25 inch × 1.25 inch (UL 198.6, 3AG): 6 A FAST, 250 V
5 mm × 20 mm (IEC 127): 5 A (T), 250 V 159-0210-00 200-2265-00
159-0013-00 200-2264-00
number
To remove the front cover, grasp the left and right edges and snap the cover off of the front subpanel. (To reinstall the cover, align it to the front subpanel and snap it back on.)
To power on the oscilloscope, do the following steps:
1. Check that the rear-panel principal power switch is on (see Figure 1–1). The
principal power switch controls all AC power to the instrument.
2. If the oscilloscope is not powered on (the screen is blank), push the
front-panel ON/STBY button to toggle it on (see Figure 1–2).
TDS 500C, TDS 600B, & TDS 700C User Manual
1–7
Start Up
ON/STBY Button

Self Test

Power Off

Figure 1–2: ON/STBY Button
The ON/STBY button controls power to most of the instrument circuits. Power continues to go to certain parts even when this switch is set to STBY.
Once the oscilloscope is installed, it is typical to leave the principal power switch on and use the ON/STBY button instead of the power switch.
The oscilloscope automatically performs power-up tests each time it is turned on. It will come up with a display screen that states whether or not it passed the self test. To determine the self-test results, check the screen. (If the self test passed, the status display screen will be removed after a few seconds.)
If the self test fails, call your local Tektronix Service Center. Depending on the type of failure, you may still be able to use the oscilloscope before it is serviced.
To power off the oscilloscope, toggle the ON/STBY switch.
1–8
TDS 500C, TDS 600B, & TDS 700C User Manual
Operating Basics

Overview

This chapter describes the basic concepts of operating the TDS Oscilloscope. Understanding the basic concepts of your oscilloscope will help you use it much more effectively.
The first section, Operating Interface Maps, quickly shows you how the oscilloscope controls are organized and where you can read about them. It also illustrates the general procedures for operating the menu system. This section includes the titles:
Front Panel Map Rear Panel Map Display Map To Operate a Menu To Operate a Pop-Up Menu
The second section, Tutorial, contains example procedures that lead you through the fundamental tasks needed to display a waveform measurement. It also includes an example procedure that teaches you how to store a setup of the oscilloscope controls for later use. This section includes the following tuto­rial examples:
Setting Up for the Examples Example 1: Displaying a Waveform Example 2: Displaying Multiple Waveforms Example 3: Taking Automated Measurements Example 4: Saving Setups
To explore these topics in more depth and to read about topics not covered in this section, see Reference. A list of the topics covered begins on Page 3–1.
TDS 500C, TDS 600B, & TDS 700C User Manual
2–1
Overview
2–2
TDS 500C, TDS 600B, & TDS 700C User Manual
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