Tektronix DPO3PWR User manual

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DPO3PWR, MDO3PWR and DPO4PWR
Power Analysis Modules
ZZZ
User Manual
*P071263101*
071-2631-01

DPO3PWR, MDO3PWR and DPO4PWR
Power Analysis Modules
ZZZ
User Manual
xx
www.tektronix.com
071-2631-01

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.
14150 SW Karl Braun Drive
P.O. Bo x 5 00
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.

Table of Contents
Table of Contents
General safety summary . .. ................................................................................................................ iii
Preface..................................................................................................................................... vii
Installing the Application Module........................................................................................................... 1
Gathering Equipment ................................................................................................................. 1
Ratings................................................................................................................................ 2
Inserting the Application Module Key . ............................................................................................... 4
Getting Started.............................................................................................................................. 7
Deskewing Probes......................................................................................................................... 10
Measuring Power Quality.................................................................................................................. 17
Measuring Switching Loss................................................................................................................. 22
Measuring Harmonics ..................................................................................................................... 27
Measuring Ripple.......................................................................................................................... 31
Measuring Modulation . .................................................................................................................... 33
Measuring Safe Operating Area .......................................................................................................... 35
Making dI/dt and dV/dt Measurements.................................................................................................... 38
Index
DPO3PWR, MDO3PWR and DPO4PWR Power Analysis Modules User Manual i

Table of Contents
ii DPO3PWR, MDO3PWR and DPO4PWR Power Analysis Modules User Manual

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.
While using this product, you may need to access other parts of a larger system. Read the safety sections of the other component
manuals for warnings and cautions related to operating the system.
To avoid fire or personal injury
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.
Connect and disconnect properly. De-energize the circuit under test before connecting or disconnecting the current probe.
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.
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 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.
DPO3PWR, MDO3PWR and DPO4PWR Power Analysis Modules User Manual iii

General safety summary
Connect the probe reference lead to earth ground only.
Do not apply a potential to any terminal, including the common terminal, that exceeds the maximum rating of that terminal.
Do not connect a current probe to any wire that carries voltages above the current probe voltage rating.
Power disconnect. The power cord disconnects the product from the power source. Do not block the power cord; it must remain
accessible to the user at all times.
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.
Use proper AC adapter. Use only the AC adapter specified for this product.
Use proper fuse. Use only the fuse type and rating specified for this product.
Wear eye protection. Wear eye protection if exposure to high-intensity rays or laser radiation exists.
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 DPO3PWR, MDO3PWR and DPO4PWR Power Analysis Modules User Manual

General safety summary
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.
Symbols and 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.
DPO3PWR, MDO3PWR and DPO4PWR Power Analysis Modules User Manual v