Tektronix P6339A User manual

Form 080/01
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Instruction Manual
P6339A
500 MHz Buffered Passive Probe
071-0178-01
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to
performing service.
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, TEK, TEKPROBE, and SureFoot are registered trademarks of
Tektronix, Inc. KlipChip is a trademark of Tektronix, Inc.
Copyright ©Tektronix, Inc. All rights reserved.

WARRANTY
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.

P6339A Instruction Manual i
Table of Contents
General Safety Summary v. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Safety Summary vii. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contacting Tektronix ix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Getting Started 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features and Accessories 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Accessories 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Check 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TekProbe Communication 5. . . . . . . . . . . . . . . . . . . . . . . . . .
DC Offset 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DC Gain and Attenuation 6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Basics 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Probe Compensation 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Input Voltage 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High-Frequency Probe Connections 8. . . . . . . . . . . . . . . . . . . . .
Specifications 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustment and Verification Procedures 15. . . . . . . . . . . . . . .
Equipment Required 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparation 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remove the Top Cover 17. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Prepare the Equipment 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustment Locations 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Procedures 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HF Adjust 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compensate the Probe 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rise Time and Aberrations 21. . . . . . . . . . . . . . . . . . . . . . . . .
Output Zero Adjust 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DC Attenuation Accuracy 22. . . . . . . . . . . . . . . . . . . . . . . . . .
Rise Time Check 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reset DIP Switches and Install Cover 26. . . . . . . . . . . . . . . . .
Test Record 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
ii P6339A Instruction Manual
Maintenance 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing TekProbe Interface Pins 32. . . . . . . . . . . . . . . . . . . . . .
Removing and Replacing the TekProbe Interface Collar 33. . . . .
Removing and Replacing the Cable Assembly 34. . . . . . . . . . . . .
Replaceable Parts 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
P6339A Instruction Manual iii
List of Figures
Figure 1: SMK4 Micro KlipChip adapter 4. . . . . . . . . . . . . . .
Figure 2: Probe compensation waveforms 7. . . . . . . . . . . . . .
Figure 3: Ground lead effects 8. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4: Voltage derating, typical 11. . . . . . . . . . . . . . . . . . . . .
Figure 5: Input impedance, typical 12. . . . . . . . . . . . . . . . . . . .
Figure 6: Input phase, typical 12. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 7: Location adjustments and DIP switches 18. . . . . . . .
Figure 8: Setup for probe compensation and high frequency
adjustment 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 9: Probe compensation waveforms 20. . . . . . . . . . . . . .
Figure 10: Setup for rise time and aberrations 21. . . . . . . . . . .
Figure 11: Setup for the output offset adjustment 22. . . . . . . .
Figure 12: Setup for DC attenuation accuracy 23. . . . . . . . . . .
Figure 13: Setup for rise time check 25. . . . . . . . . . . . . . . . . . .
Figure 14: Replacing TekProbe interface pins 32. . . . . . . . . . .
Figure 15: Replacing the TekProbe collar 33. . . . . . . . . . . . . . .
Figure 16: Replacing the cable assembly 34. . . . . . . . . . . . . . . .
Figure 17: P6339A replaceable parts and standard
accessories 35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
iv P6339A Instruction Manual
List of Tables
Table 1: Features and accessories 2. . . . . . . . . . . . . . . . . . . . .
Table 2: Electrical specifications 9. . . . . . . . . . . . . . . . . . . . . .
Table 3: Environmental characteristics 11. . . . . . . . . . . . . . . .
Table 4: Physical characteristics 13. . . . . . . . . . . . . . . . . . . . . .
Table 5: Certifications and compliances 13. . . . . . . . . . . . . . . .
Table 6: Test equipment 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 7: DIP switch/attenuation settings 19. . . . . . . . . . . . . . .
Table 8: Input voltages for DC attenuation accuracy
adjustment 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 9: Settings for rise time check 26. . . . . . . . . . . . . . . . . . .

P6339A Instruction Manual v
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
Connect and Disconnect Properly. Connect the probe output to the
measurement instrument before connecting the probe to the circuit
under test. Disconnect the probe input and the probe ground from the
circuit under test before disconnecting the probe from the measure-
ment instrument.
Observe All Terminal 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.
The common terminal is at ground potential. Do not connect the
common terminal to elevated voltages.
Do Not Operate Without Covers. Do not operate this product with
covers or panels removed.
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/Damp Conditions.
Do Not Operate in an Explosive Atmosphere.
Keep Product Surfaces Clean and Dry.