Tektronix DG2020A User manual

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User Manual
DG2020A Data Generator
With P3410 & P3420 Pods
071-0053-50
www.tektronix.com

Copyright Tektronix, Inc. All rights reserved.
Tektronix 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.
Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.


Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship
for a period of one (1) year from the date of shipment. If a product proves defective during this warranty period, Tektronix,
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 Tektronix, with shipping charges prepaid.
Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the
Tektronix 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. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting
from attempts by personnel other than Tektronix representatives to install, repair or service the product; b) to repair
damage resulting from improper use or connection to incompatible equipment; c) to repair any damage or malfunction
caused by the use of non-Tektronix supplies; or d) 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 IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR
IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX’ RESPONSIBILITY TO
REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO
THE CUSTOMER 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.

DG2020A, P3410, & P3420 User Manual i
TableĂofĂContents
General Safety Summary xi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Safety Summary xiii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preface xv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Getting Started
Getting Started 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Product Description 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Initial Inspection 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Options 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Cord Options 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories 1-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 1-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power On 1-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start-up Diagnostics 1-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Off 1-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Basics
Operating Basics 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Overview 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Internal Structure and Operating Principles 2-10. . . . . . . . . . . . . . . . . . . . . . .
Data Structure Basics 2-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Modes Overview 2-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic Menu Operation 2-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Menu Operations 2-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Menu Notation 2-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Menu Item Display 2-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Numeric Input 2-20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pattern Data Display Format 2-23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Edit Operations 2-25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Area and Point Cursors 2-26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Text Input 2-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pop up Confirmation Windows 2-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Menu Trees 2-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic Operation Examples 2-35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Required Equipment 2-35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Before Starting Examples 2-36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Procedure Sequences 2-36. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Connections 2-37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example 1: Creating a Pattern and Storing it in a File 2-39. . . . . . . . . . . . . . .
Example 2: Loading and Editing a Pattern Stored in a File 2-42. . . . . . . . . . .
Example 3: Signal Output 2-46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example 4: Creating a Sequence 2-54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
ii DG2020A, P3410, & P3420 User Manual
Reference
Reference 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation Outlines 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outlines for Pattern Data and Sequence Creations 3-3. . . . . . . . . . . . . . . . . .
Advanced Control for Sequence 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Edit Menu 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRT Display 3-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
File Menu 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Settings Menu 3-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Menu 3-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Execute Action Menu 3-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Enhanced Action Menu 3-42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Make Sequence Menu 3-54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Undo 3-60. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SETUP Menu 3-61. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CRT Display 3-63. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Group Assign Menu 3-65. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pod Assign Menu 3-68. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Level/Delay Menu 3-70. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pod Control Menu 3-71. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Run Mode Menu 3-73. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trigger Menu 3-76. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oscillator Menu 3-77. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
APPLICATION Menu 3-79. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
APPLICATION Menu 3-79. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UTILITY Menu 3-81. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mass Memory Menu 3-83. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Display/Hardcopy Menu 3-86. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Menu 3-89. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Status Menu 3-93. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diag Menu 3-93. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendices
Appendix A: Performance Characteristics A-1. . . . . . . . . . . . . . . . . . . . . .
Warranted Characteristics A-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Typical Characteristics A-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Nominal Traits A-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Certification and Compliances A-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix B: Performance Verification B-1. . . . . . . . . . . . . . . . . . . . . . . . .
Before Running the Operation Tests B-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Procedure Notes B-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Self Tests B-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Tests for the DG2020A/Pod Combination B-6. . . . . . . . . . . . . .
P3410 Pod Performance Test B-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
P3420 Pod Performance Test B-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
DG2020A, P3410, & P3420 User Manual iii
Appendix C: Miscellaneous C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repackaging for Shipment C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Cleaning Procedures C-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Factory Settings C-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Conversion Table Examples C-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Index

Table of Contents
iv DG2020A, P3410, & P3420 User Manual
ListĂofĂFigures
Figure 1-1: Pod connection 1-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1-2: Yellow index mark and yellow line for cable connection 1-10.
Figure 1-3: Rear panel controls used in start up 1-12. . . . . . . . . . . . . . . . .
Figure 1-4: ON/STBY switch 1-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-1: Front panel overall view 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-2: Front panel button detail 2-3. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-3: Rear panel 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-4: Floppy disk drive 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-5: Display elements 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-6: P3410 front panel and rear panel 2-8. . . . . . . . . . . . . . . . . . . .
Figure 2-7: P3420 front panel and rear panel 2-9. . . . . . . . . . . . . . . . . . . .
Figure 2-8: Hardware block diagram 2-10. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-9: Inhibit operation timing 2-12. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-10: Data structure image 2-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-11: Menu buttons and bezel buttons 2-17. . . . . . . . . . . . . . . . . . .
Figure 2-12: Numeric keys, units button, delete key, and enter key 2-20. .
Figure 2-13: Numeric input using the numeric keys 2-21. . . . . . . . . . . . . .
Figure 2-14: General purpose knob and arrow buttons 2-22. . . . . . . . . . .
Figure 2-15: Knob icon and underscore 2-22. . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-16: Timing display format 2-23. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-17: Table display format 2-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-18: Binary display format 2-24. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-19: Pattern data editing procedure 2-26. . . . . . . . . . . . . . . . . . . .
Figure 2-20: Cursor display in editing operations 2-27. . . . . . . . . . . . . . . .
Figure 2-21: Character input menu 2-28. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-22: Popup confirmation window 2-29. . . . . . . . . . . . . . . . . . . . . .
Figure 2-23: Operating buttons and menu layout 2-36. . . . . . . . . . . . . . . .
Figure 2-24: Pod connection 2-37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-25: Yellow index mark and yellow line for cable connection 2-38
Figure 2-26: Binary pattern creation 2-41. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-27: Pattern edited in example 2 2-45. . . . . . . . . . . . . . . . . . . . . . .
Figure 2-28: Pod channel data bit allocation 2-49. . . . . . . . . . . . . . . . . . . .
Figure 2-29: Output voltage level and delay time display for
the P3420 pod 2-51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
DG2020A, P3410, & P3420 User Manual 
Figure 2-30: P3410 pod/oscilloscope connection 2-52. . . . . . . . . . . . . . . . . .
Figure 2-31: P3420 pod/oscilloscope connection 2-52. . . . . . . . . . . . . . . . . .
Figure 2-32: Block separation 2-56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-33: Sample subsequence 2-59. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-34: Sample sequence 2-60. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-35: Line pointer 2-61. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-36: Sample sequence 2-63. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2-37: Pod assignment 2-64. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-1: Operation flow for pattern data output #1 3-2. . . . . . . . . . . .
Figure 3-2: Operation flow for pattern data output #2 3-2. . . . . . . . . . . .
Figure 3-3: EDIT menu (timing display) 3-7. . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-4: Import configuration menu
(file format: AWG2000 series waveform file) 3-11. . . . . . . . . . . . . . . . .
Figure 3-5: Data write in terms of point positions 3-12. . . . . . . . . . . . . . . .
Figure 3-6: Data write in terms of data bit positions 3-12. . . . . . . . . . . . . .
Figure 3-7: Export config menu 3-15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-8: Settings popup menu 3-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-9: Reference mark ”M” display 3-18. . . . . . . . . . . . . . . . . . . . . . .
Figure 3-10: Reference group setting (timing display) 3-19. . . . . . . . . . . .
Figure 3-11:Arrow button action display (timing display) 3-20. . . . . . . . .
Figure 3-12:Arrow button operation menu 3-21. . . . . . . . . . . . . . . . . . . . .
Figure 3-13: Block popup menu 3-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-14: Block relative cursor movement 3-25. . . . . . . . . . . . . . . . . . . .
Figure 3-15: Divide a block 3-25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-16: Combine blocks 3-26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-17: Change a block size 3-27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-18:Action popup menu 3-28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-19: Editing area range 3-29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-20: Cut 3-31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-21: Paste – insert 3-31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-22: Paste – replace 3-32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-23: Set data to high 3-32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-24: Set data to low 3-32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-25: Insert high data 3-33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-26: Insert low data 3-33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-27: Invert data 3-33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-28: Mirror vertical 3-34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-29: Mirror horizontal 3-35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
 DG2020A, P3410, & P3420 User Manual
Figure 3-30: Magnify 3-35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-31: Shift left (add zero) 3-37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-32: Shift right (add zero) 3-37. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-33: Shift left 3-38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-34: Shift right 3-38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-35: Rotate left 3-39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-36: Rotate right 3-39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-37: Standard pattern data 3-41. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-38: Creating the clock pattern 3-42. . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-39: Clock pattern popup menu 3-43. . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-40: Register value and tap setting example 3-44. . . . . . . . . . . . . .
Figure 3-41: Shift register generator popup menu 3-45. . . . . . . . . . . . . . . .
Figure 3-42: Logical operation example (AND) 3-47. . . . . . . . . . . . . . . . . .
Figure 3-43: Logical operation popup menu 3-47. . . . . . . . . . . . . . . . . . . .
Figure 3-44: Bit operation popup menu 3-49. . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-45: Serial code converter menu 3-50. . . . . . . . . . . . . . . . . . . . . . .
Figure 3-46: Edit code table menu 3-52. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-47: Make sequence menu and a sequence example 3-54. . . . . . .
Figure 3-48: Make sub-sequence menu and a subsequence example 3-55.
Figure 3-49: Event jump operation timing 3-60. . . . . . . . . . . . . . . . . . . . . .
Figure 3-50: SETUP menu 3-63. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-51: Group assign popup menu 3-65. . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-52: Bit structure assignment 3-66. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-53: Pod assign popup menu 3-68. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-54: High-impedance control circuit 3-69. . . . . . . . . . . . . . . . . . . .
Figure 3-55: Repeat mode pattern data output
(when no sequence is defined) 3-73. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-56: Repeat mode pattern data output
(when a sequence is defined) 3-73. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-57: Single mode pattern data output
(when no sequence is defined) 3-74. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-58: Single mode pattern data output
(when a sequence is defined) 3-74. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-59: Enhanced mode sequence output 3-75. . . . . . . . . . . . . . . . . . .
Figure 3-60: Trigger slope and level control 3-76. . . . . . . . . . . . . . . . . . . . .
Figure 3-61: Display/hardcopy menu 3-86. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-62: System menu 3-89. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-63: Status menu 3-93. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3-64: Diag menu 3-93. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
DG2020A, P3410, & P3420 User Manual 
Figure A-1: Trigger delay A-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B-1: Operating buttons and menu layout B-4. . . . . . . . . . . . . . . . .
Figure B-2: Diagnostics menu B-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B-3: Frequency measurement connections B-6. . . . . . . . . . . . . . . .
Figure B-4: External clock input connection B-8. . . . . . . . . . . . . . . . . . . .
Figure B-5: Pod connection B-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B-6: P3410 data output connectors B-11. . . . . . . . . . . . . . . . . . . . . .
Figure B-7: P3420 data output connectors B-11. . . . . . . . . . . . . . . . . . . . . .
Figure B-8: External trigger operation connections B-13. . . . . . . . . . . . . .
Figure B-9: P3410 event input connections B-15. . . . . . . . . . . . . . . . . . . . . .
Figure B-10: P3420 event input connections B-15. . . . . . . . . . . . . . . . . . . . .
Figure B-11: DG2020A event output connections B-16. . . . . . . . . . . . . . . .
Figure B-12: Pod connection B-17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B-13: P3410 voltage level display B-18. . . . . . . . . . . . . . . . . . . . . . . .
Figure B-14: P3410 output pins B-18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B-15: Pin header cable types B-18. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B-16: Output voltage test connections B-19. . . . . . . . . . . . . . . . . . . .
Figure B-17: Variable delay test connections B-20. . . . . . . . . . . . . . . . . . . .
Figure B-18: Event input operation confirmation connections B-22. . . . . .
Figure B-19: Inhibit operation confirmation connections B-23. . . . . . . . . .
Figure B-20: Pod connection B-24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure B-21: P3420 voltage level display B-25. . . . . . . . . . . . . . . . . . . . . . . .
Figure B-22: P3420 output connectors B-25. . . . . . . . . . . . . . . . . . . . . . . . .
Figure B-23: Output voltage level measurement connections B-26. . . . . . .
Figure B-24: Variable delay precision check B-29. . . . . . . . . . . . . . . . . . . . .
Figure B-25: Event input operation confirmation connections B-31. . . . . .
Figure B-26: Inhibit input operation confirmation connections B-32. . . . .
Figure C-1: Conversion image example C-6. . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
viii DG2020A, P3410, & P3420 User Manual
ListĂofĂTables
Table 1-1: Power cord options 1-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1-2: Standard accessories 1-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1-3: Standard accessories for pods 1-4. . . . . . . . . . . . . . . . . . . . . . .
Table 1-4: Optional accessories 1-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1-5: Maintenance kit contents 1-6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1-6: Power cord identification 1-11. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2-1: DG2030 display elements 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2-2: Data structure terms 2-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2-3: Run modes 2-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2-4: Update modes 2-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2-5: Bottom menu item display 2-19. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2-6: Side and sub menu item display 2-19. . . . . . . . . . . . . . . . . . . . .
Table 2-7: Numeric input example 2-21. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-1: Menu functions 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-2: Edit menu crt display 3-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-3: Import parameters 3-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-4: Export parameters 3-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-5: Arrow button functions 3-21. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-6: Pattern data display format 3-23. . . . . . . . . . . . . . . . . . . . . . . .
Table 3-7: Block relative cursor movement 3-24. . . . . . . . . . . . . . . . . . . . .
Table 3-8: Numeric input differences 3-36. . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-9: Standard pattern data descriptions 3-40. . . . . . . . . . . . . . . . . .
Table 3-10: Parameter items 3-43. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-11: Shift register generator parameters 3-45. . . . . . . . . . . . . . . . .
Table 3-12: Logical operation parameters 3-48. . . . . . . . . . . . . . . . . . . . . .
Table 3-13: Bit operation parameters 3-49. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-14: Serial code converter parameters 3-51. . . . . . . . . . . . . . . . . . .
Table 3-15: Edit code table parameters 3-52. . . . . . . . . . . . . . . . . . . . . . . .
Table 3-16: Numeric key description 3-53. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-17: Setup menu functions 3-61. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-18: Setup menu CRT display 3-64. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-19: Impedance state contol methods 3-69. . . . . . . . . . . . . . . . . . . .
Table 3-20: Menu functions 3-81. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3-21: Error code 3-94. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
DG2020A, P3410, & P3420 User Manual 
Table A-1: Warranted electrical characteristics A-2. . . . . . . . . . . . . . . . .
Table A-2: Warranted environmental characteristics A-6. . . . . . . . . . . .
Table A-3: Electrical characteristics (typical) A-7. . . . . . . . . . . . . . . . . . .
Table A-4: Period JItter accuracy A-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table A-5: Cycle to Cycle JItter accuracy A-8. . . . . . . . . . . . . . . . . . . . . .
Table A-6: Nominal traits – electrical characteristics A-9. . . . . . . . . . . . .
Table A-7: Nominal traits – mechanical characteristics A-13. . . . . . . . . . .
Table A-8: Certifications and compliances A-14. . . . . . . . . . . . . . . . . . . . .
Table B-1: Performance check disk’s file list B-2. . . . . . . . . . . . . . . . . . . .
Table B-2: Required equipment B-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table B-3: Error Codes B-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table B-4: Internal clock frequency precision (PLL off) B-8. . . . . . . . . .
Table B-5: Delay precision B-21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table B-6: High level output voltage ranges for a 1 MW load B-27. . . . . .
Table B-7: Low level output voltage ranges for a 1 MW load B-28. . . . . .
Table B-8: Delay precision B-30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table C-1: External inspection check list C-2. . . . . . . . . . . . . . . . . . . . . . .
Table C-2: Factory settings C-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
DG2020A, P3410, & P3420 User Manual

DG2020A, P3410, & P3420 User Manual xi
General Safety Su ary
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.
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 Ter inal Ratings. To avoid fire or shock hazard, observe all ratings
and markings on the product. Consult the product manual for further ratings
information before making connections to the product.
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.
Do Not Operate in Wet/Da p Conditions.
Do Not Operate in an Explosive At osphere.
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.
To Avoid Fire or
Personal Injury

General Safety Summary
xii DG2020A, P3410, & P3420 User Manual
Terms in this Manual. These terms may appear in this manual:
 Warning statements identify conditions or practices that could result
in injury or loss of life.
 Caution statements identify conditions or practices that could result in
damage to this product or other property.
Terms 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:
! ##% ! $
!# !

! # $
 $
"$#

  #
Symbols and Terms

DG2020A, P3410, & P3420 User Manual xiii
Service Safety Summary
Only qualified personnel should perform service procedures. Read this Service
Safety Summary and the General Safety Summary before performing any service
procedures.
Do Not Service Alone. Do not perform internal service or adjustments of this
product unless another person capable of rendering first aid and resuscitation is
present.
Disconnect Po er. To avoid electric shock, disconnect the mains power by means
of the power cord or, if provided, the power switch.
Use Caution When Servicing the CRT. To avoid electric shock or injury, use
extreme caution when handling the CRT. Only qualified personnel familiar with
CRT servicing procedures and precautions should remove or install the CRT.
CRTs retain hazardous voltages for long periods of time after power is turned off.
Before attempting any servicing, discharge the CRT by shorting the anode to
chassis ground. When discharging the CRT, connect the discharge path to ground
and then the anode. Rough handling may cause the CRT to implode. Do not nick
or scratch the glass or subject it to undue pressure when removing or installing it.
When handling the CRT, wear safety goggles and heavy gloves for protection.
Use Care When Servicing With Po er On. Dangerous voltages or currents may
exist in this product. Disconnect power, remove battery (if applicable), and
disconnect test leads before removing protective panels, soldering, or replacing
components.
To avoid electric shock, do not touch exposed connections.
XĆRadiation. To avoid x-radiation exposure, do not modify or otherwise alter the
high-voltage circuitry or the CRT enclosure. X-ray emissions generated within
this product have been sufficiently shielded.

Service Safety Summary
 DG2020A, P3410, & P3420 User Manual

DG2020A, P3410, & P3420 User Manual xv
Preface
This is the User Manual for the DG2020A Data Generator, P3410 TTL Pod, and
the P3420 Variable Pod.
Getting Started covers the features of the DG2020A, initial inspection, options
and accessories, installation procedures, and power on and off procedures. In
particular, the installation section covers the procedures required prior to turning
on the unit and points that require special care or caution.
Operating Basics starts out by introducing the terminology used with the
DG2020A. Next it presents the internal structure, operating principles, basic
operating procedures, and numeric input methods. Finally, this section describes
the operating procedures for outputting waveforms using this instrument by
presenting simple examples.
Reference describes the functions and use of this instrument’s main menus in
detail.
Appendices describe product specifications, performance verification instruc-
tions, and other information.
Related Manuals
Other documentation for the instrument includes:
The DG2020A Programmer Manual (Tektronix part number 071-0054-XX)
explains how to control the DG2020A with a computer through the GPIB or
RS-232-C interface. This manual is a standard accessory.
The DG2020A Service Manual (Tektronix part number 071-0055-XX)
provides information to maintain and service DG2020A, and provides a
complete board-level description of the instrument’s operation. This manual
is an optional accessory.
Conventions
The following typographical conventions are used in this manual.
Names of front panel controls and menu item names are printed in the
manual in bold with the same case (e.g., initial capitals, all upper case) as
they appear on the unit itself.