Tektronix P7350 User manual

Instruction Manual
P7350
5 GHz Differential Probe
071-1238-00
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, SureFoot, and TekConnect are registered trademarks of
Tektronix, Inc., and KlipChip is a trademark of Tektronix, Inc.

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.

P7350 5 GHz Differential Probe Instruction Manual i
Preface
This is the Instruction Manual for the P7350 differential probe.
This manual provides operating information, specifications, and a
replaceable parts list.

Preface
ii P7350 5 GHz Differential Probe Instruction Manual
Contacting Tektronix
Phone [phone]*
Address Tektronix, Inc.
Department or name (if known)
14200 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
Web site www.tektronix.com
Sales
support
1-800-833-9200, select option 1*
Service
support
1-800-833-9200, select option 2*
Technical
support
Email: [e-mail]
1-800-833-9200, select option 3*
6:00 a.m. -- 5:00 p.m. Pacific time
*This phone number is toll free in North America. After office
hours, please leave a voice mail message.
Outside North America, contact a Tektronix sales office or
distributor; see the Tektronix web site for a list of offices.

P7350 5 GHz Differential Probe Instruction Manual iii
Table of Contents
Preface i............................................
Contacting Tektronix ii.................................
General Safety Summary v..............................
Service Safety Summary vii..............................
Getting Started 1.....................................
TekConnect Interface 1.................................
Functional Check 3....................................
Options 4............................................
Features and Standard Accessories 5......................
Optional Accessories 9.................................
Operating Basics 11...................................
Input Voltage Limits 12.................................
Common-Mode Rejection 12.............................
Probing Techniques to Maximize CMRR 13.................
Input Impedance and Probe Loading 14.....................
Probe Grounding 15....................................
Electrical Effects of Accessories 16........................
Reference 17.........................................
Problems with Single-Ended Measurements 17...............
Differential Measurements 17............................
Extending the Input Leads 19.............................
Extending the Ground Lead 20............................
Appendix A: Specifications 21...........................
Appendix B: Performance Verification 29.................
Appendix C: Maintenance 43...........................
Appendix D: Replaceable Parts 45.......................

Table of Contents
iv P7350 5 GHz Differential Probe Instruction Manual
List of Figures
Figure 1: P7350 differential probe featuring the
TekConnect interface 1..............................
Figure 2: Connecting and disconnecting the probe 2..........
Figure 3: Probe functional check connections 3.............
Figure 4: Protect the probe tips with the protective cover 11....
Figure 5: Using the variable spacing adapter 13..............
Figure 6: Using the TwinFoot adapter 13....................
Figure 7: Typical probe input model 14.....................
Figure 8: Probe ground input 15...........................
Figure 9: Typical effects on a signal using probe tip adapters 16.
Figure 10: Simplified model of a differential amplifier 18......
Figure 11: Twisting the input leads 20......................
Figure 12: Typical common- and differential-mode gain plots 24
Figure 13: Typical differential input impedance vs frequency 25.
Figure 14: Typical bandwidth 25..........................
Figure 15: Probe head and compensation box dimensions 27....
Figure 16: Variable spacing adapter dimensions 28............
Figure 17: Square pin adapter dimensions 28................
Figure 18: TekConnect Interface Calibration Adapter 31.......
Figure 19: Probe Calibration Fixture 33.....................
Figure 20: Probe Calibration Fixture test points 34............
Figure 21: Setup for the output offset voltage test 35..........
Figure 22: DC Gain Accuracy setup 36.....................
Figure 23: Test system rise time setup 38...................
Figure 24: Test system rise time setup with probe 40..........
Figure 25: Verifying both probe pins are contacting the
DM test points 41...................................
Figure 26: P7350 replaceable parts 47......................
Figure 27: P7350 standard accessories 49...................
Figure 28: P7350 optional accessories 51...................

P7350 5 GHz Differential Probe 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.
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.

General Safety Summary
vi P7350 5 GHz Differential Probe Instruction Manual
Safety Terms and Symbols
Terms 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.
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. These symbols may appear on the product:
CAUTION
Refer to Manual