Tektronix P6243 User manual

xx
P6243
1 GHz 10X Active Probe
ZZZ
Service Manual
*P070940904*
070-9409-04

P6243
1 GHz 10X Active Probe
ZZZ
Service Manual
xx
www.tektronix.com
070-9409-04

Copyright © Tektronix. All rights reserved. Licensed software products are
owned by Tektronix or its subsidiaries or suppliers, and are protected by national
copyright laws and international treaty provisions.
Tektronix products are covered by U.S. and foreign patents, issued and pending.
Information in this publication supersedes that in all previously published
material. Specifications and price change privileges reserved.
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
TEKPROBE is a registered trademark of Tektronix, Inc.
Contacting Tektronix
Tektronix, Inc.
14200 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
For product information, sales, service, and technical support:
In North America, call 1-800-833-9200.
Worldwide, visit www.tektronix.com to find contacts in your area.

Warranty
Tektronix warrants that this product will be free from defects in materials and
workmanship for a period of one (1) year from the date of shipment. If any such 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. Parts, modules and replacement products used by
Tektronix for warranty work may be new or reconditioned to like new performance. All
replaced parts, modules and products become the property of Tektronix.
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 WITH RESPECT TO THE
PRODUCT 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
ADV
ANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
[W2 – 15AUG04]

P6243 Service Manual i
Table of Contents
General Safety Summary iii............................
Specifications 1......................................
Operating Basics 9...................................
Maximum Non-destructive Input Voltage 9.................
Input Linear Dynamic Range 9..........................
Theory of Operation 10................................
Probe Head and Cable Assembly 10.......................
Compensation Box 11...................................
Performance Verification 12............................
Equipment Required 12.................................
Equipment Setup 12....................................
Output Zero 13........................................
DC Attenuation Accuracy 13.............................
Maintenance 16.......................................
Replacing TEKPROBE™Interface Pins 16..................
Removing and Replacing the Compensation Box Covers 17....
Removing and Replacing the TEKPROBE™Interface Collar 19.
Inspection and Cleaning 20..............................
Replacement Parts 20...................................
Preparation for Shipment 20..............................
Replaceable Parts 21...................................

Table of Contents
ii P6243 Service Manual
List of Figures
Figure 1: Typical Frequency Response 3...................
Figure 2: Typical Linearity Error vs. VIN 4.................
Figure 3: Typical Input Impedance vs. Frequency 5..........
Figure 4: Typical Non-Destructive Peak Voltage Derating vs.
Frequency 6.......................................
Figure 5: P6243 Simplified Schematic Diagram 10...........
Figure 6: TEKPROBE Interface 11........................
Figure 7: P6243 DC Attenuation Accuracy Setup 14..........
Figure 8: Replacing TEKPROBE Interface Pins 16...........
Figure 9: Removing the Compensation Box Covers 17.........
Figure 10: Replacing the Compensation Box Cover 18.........
Figure 11: Replacing the TEKPROBE Collar 19..............
Figure 12: P6243 Replaceable Parts 22.....................
Figure 13: P6243 Standard Accessories 24..................
Figure 14: P6243 Optional Accessories 26..................
List of Tables
Table 1: Warranted Electrical Specifications 1..............
Table 2: Typical Electrical Characteristics 2................
Table 3: Physical Characteristics 7........................
Table 4: Environmental Characteristics 7..................
Table 5: Equipment Required for Performance Verification 12..

P6243 Service Manual iii
General Safety Summary
Review the following safety precautions to avoid injury and prevent
damage to this product or any products connected to it.
Only qualified personnel should perform service procedures.
Injury Precautions
Avoid Electric Overload. To avoid electric shock or fire hazard, do not
apply a voltage to a terminal that is outside the range specified for
that terminal.
Do Not Operate Without Covers. To avoid electric shock or fire hazard,
do not operate this product with covers or panels removed.
Do Not Operate in Wet/Damp Conditions. To avoid electric shock, do not
operate this product in wet or damp conditions.
Do Not Operate in an Explosive Atmosphere. To avoid injury or fire
hazard, do not operate this product in an explosive atmosphere.
Product Damage Precautions
Use Proper Power Source. Do not operate this product from a power
source that applies more than the voltage specified.
Do Not Operate With Suspected Failures. If you suspect there is damage
to this product, have it inspected by qualified service personnel.
Do Not Immerse in Liquids. Clean the probe using only a damp cloth.
The cloth must be dampened with either isopropyl alcohol or a mild
detergent and water solution. Do not use any other chemicals or
abrasives to clean the probe.

General Safety Summary
iv P6243 Service 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:
Protective Ground
(Earth) Terminal
ATTENTION
Refer to Manual
Double
Insulated
DANGER
High Voltage