Tektronix P6248 User manual

xx
P6248
1.7 GHz (Typical)
Differential Probe
ZZZ
Instructions
*P071056604*
071-0566-04
Advanced Test Equipment Rentals
www.atecorp.com 800-404-ATEC (2832)
®
E
s
t
a
b
l
i
s
h
e
d
1
9
8
1

P6248
1.7 GHz (Typical)
Differential Probe
ZZZ
Instructions
xx
www.tektronix.com
071-0566-04

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.
KlipChip, TwinFoot, TwinTip, and VariTip are trademarks 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]

Table of Contents
General Safety Summary ............................................... iv
Environmental Considerations ......................................... vi
Preface................................................................... vii
Related Manuals................................................... vii
Getting Started............................................................ 1
Features and Accessories ....... . .......... . . ........ ...... . ........ 1
Installation ........................................................... 9
Operating Basics........................................................ 11
Input Voltage Limits .............................................. 11
Attenuation Settings............................................... 12
Probe Grounding .................................................. 12
Input Impedance and Probe Loading ............................ 13
Common-Mode Rejection ........................................ 14
Reference................................................................ 15
Problems with Single-Ended Measurements.................... 15
Differential Measurements ....................................... 15
Extending the Input Leads........................................ 17
Extending the Ground Lead ...................................... 18
Extending the Probe Output...................................... 18
Using the Probe with Other Instruments ........................ 19
Specifications ........................................................... 21
Warranted Characteristics ........................................ 21
Typical Characteristics............................................ 23
Nominal Characteristics .......................................... 26
P6248 1.7 GHz Differential Probe Instructions i

Table of Contents
List of Figures
Figure 1: Input connector of TEKPROBE interface................... 9
Figure 2: Using the short ground contact............................. 13
Figure 3: Typical probe input model.................................. 13
Figure 4: Simplified model of a differential amplifier............... 16
Figure 5: Twisting the Input Leads ................................... 18
Figure 6: Typical Common-Mode Rejection Ratio (÷1 and ÷10
attenuation) ........................................................ 24
Figure 7: Typical differential input impedance versus frequency . . 24
Figure 8: Probe head and compensation box dimensions . . ......... 25
ii P6248 1.7 GHz Differential Probe Instructions

Table of Contents
List of Tables
Table 1: Features and standard accessories . ......... . .......... . . ..... 1
Table 2: P6248 Probe tip accessory kit contents....................... 4
Table 3: Optional accessories and instrument options....... . ......... 6
Table 4: Warranted electrical characteristics......................... 21
Table 5: Typical electrical characteristics ............................ 23
Table 6: Typical mechanical characteristics.......................... 25
Table 7: Nominal electrical characteristics........................... 26
P6248 1.7 GHz Differential Probe Instructions iii

General Safety Summary
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. Connect the probe reference lead to the circuit under test
before connecting the probe input. Disconnect the probe input and the
probe reference lead from the circuit under test before disconnecting
the probe from the measurement 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.
Connect the probe reference lead to earth ground only.
Do Not Operate Without Covers. Do not operate this product with covers
or panels removed.
Do Not Operate With Suspected Failures. If you suspect that there is
damage to this product, have it inspected by qualified service personnel.
Avoid Exposed Circuitry. Do not touch exposed connections and
components when power is present.
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.
iv P6248 1.7 GHz Differential Probe Instructions