Tektronix DSA70000D Series Istruzioni per l’uso
xx
DSA70000D, DPO70000D/DX/SX,
MSO70000C/DX, DSA70000C,
DPO70000C, and DPO7000C
High Performance Oscilloscopes
ZZZ
Best Practices Manual
*P071298904*
071-2989-04
DSA70000D, DPO70000D/DX/SX,
MSO70000C/DX, DSA70000C,
DPO70000C, and DPO7000C
High Performance Oscilloscopes
ZZZ
Best Practices Manual
xx
www.tektronix.com
071-2989-04
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.
Contacting Tektronix
Tektronix, Inc.
14150 SW Karl Braun Drive
P.O. Box 50 0
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.
Best practices for using high performance oscilloscopes
Optimizing and maintaining the performance of your Tektronix product is critical
to your success. This document summarizes the Best Practices for using Tektronix
DSA70000C/D, DPO70000C/D/DX/SX, MSO70000C/DX, and DPO7000C
Series products. Additional technical, application, and service information is
available at the www.tektronix.com Web site.
Preventing electrostatic
discharge
Electrostatic discharge (ESD) is a concern when handling any electronic
equipment. Most Tektronix instruments and probes are designed with robust ESD
protection. However, large discharges of static electricity applied to the signal
inputs may damage the equipment.
CAUTION. A direct static discharge can damage the input circuitry of the
instrument. To avoid damage, follow these techniques to prevent electrostatic
discharge to the instrument:
1. Discharge the static voltage from your body. To do so, wear a grounded
antistatic wrist strap when you connect and disconnect cables and adapters.
Your instrument provides a convenient ground connection on the front panel
for this purpose.
2. Discharge the static voltage from all cables before connecting them to the
instrument or to the device under test (DUT). Before you attach the cable to the
instrument, momentarily ground the center conductor of the cable, or connect
a50Ωtermination to one end before attaching the cable to the instrument.
NOTE. A cable that is left unconnected on a bench can develop a very large static
charge that can damage the instrument.
MSO70000C/DX, DPO70000C/D/DX/SX, DSA70000C/D, DPO7000C Best Practices 1
Best practices for using high performance oscilloscopes
Connector cleaning All connectors must be kept clean. Dirt in connectors can damage the connector
and any connectors the dirty connector is use with.
Before each use do the following:
1. Verify that the connectors are free of dirt, metal particles, scratches and
deformations.
2. Verify that the connectors are free of dirt, metal particles, scratches and
deformations.
3. With the connector pointed down, use low pressure compressed air, at an
angle to the connector, to clean the connectors.
4. If the connector still needs cleaning, use an appropriately sized swab
moistened with isopropyl alcohol to clean the connector threads.
CAUTION. Never put pressure on the center pin of the connectors. Applying
pressure to the center pin could damage the connector.
2 MSO70000C/DX, DPO70000C/D/DX/SX, DSA70000C/D, DPO7000C Best Practices
Best practices for using high performance oscilloscopes
Input connector protection Use 8 inch-pounds of torque when making connections to a 1.85 mm connector
or to SMA connectors. Using the improper torque may degrade your signals
and damage the connectors.
Use the following procedure to make connections:
Discharge the static voltage from your body by wearing a grounded antistatic
wrist strap while connecting and disconnecting cables and adapters. The
instrument provides a front panel connection for this purpose.
Figure 1: Wear an antistatic wrist strap
Use the supplied connector saver to protect the instrument connector. When
not in use, protect against dirt and ESD damage by installing the end cap.
Alternate locations to store the ATI protective cover include the upper right
corner of the front panel and to the right of the audio connectors on the rear
panel. When installing the connector saver tighten to 8 inch-pounds.
MSO70000C/DX, DPO70000C/D/DX/SX, DSA70000C/D, DPO7000C Best Practices 3
Best practices for using high performance oscilloscopes
Figure 2: Installing a connector saver
Use the backing wrench on the connector saver to prevent damage caused by
rotation of the connectors when installing a connector.
Use the supplied torque wrench to tighten (8 inch-pounds) your cable
connector to the connector saver.
CAUTION. Failure to use a backing wrench and torque wrench when making
connections may damage your instrument.
4 MSO70000C/DX, DPO70000C/D/DX/SX, DSA70000C/D, DPO7000C Best Practices
Best practices for using high performance oscilloscopes
DPO70000SX
multi-instrument trigger
connections
Usecarewhenma
king connections to the rear panel trigger connectors. Use the
following procedure when making trigger connections:
1. Thoroughly inspect each connector. Do not use connectors that display any
damage.
CAUTION. Do not use a damaged connector. Using a damaged connector with
a good connector will damage the good connector.
2. Carefully align the cable connector with the connector on the instrument.
3. Insert the cable connector straight into the instrument connector.
4. Tighten the connector screws to help maintain the connection and alignment
of the connectors.
Signal path compensation
and instrument calibration
Signal Path Compensation (SPC) corrects for DC inaccuracies caused by
temperature variations or by long-term drift. Remove all channel input
connections and run the SPC routine occasionally or whenever the ambient
temperature of the instrument has changed by more than 5 °C (9 °F) to assure that
acquisitions are made with a high degree of accuracy.
NOTE. For best accuracy, wait at least 3 hours after power on before running
SPC.
MSO70000C/DX, DPO70000C/D/DX/SX, DSA70000C/D, DPO7000C Best Practices 5
Best practices for using high performance oscilloscopes
Adhere to a regular schedule of calibration of the instrument. A Tektronix
Calibration Service plan is the most efficient way to ensure specified performance
over the lifetime of your Tektronix instrument. The service plan also guarantees
continuous compliance with international quality and traceability standards.
Contact your Tektronix Representative or refer to the www.tektronix.com Web
site for instrument calibration services.
Instrument temperature
and clearance
The instrument must have 3 inches of clearance on both the left and right sides for
proper ventilation. The air temperature around the instrument must be between
+5 °C and +45 °C (+41 °F and +113 °F).
DPO70000SX
environmental conditions
For measurements impacted by sub-picosecond skew, leave the instrument
powered on for at least 6 hours to allow the instrument to stabilize to environmental
conditions before running SPC, deskew, or taking precision measurements.
Deskew channels Use the Deskew/Attenuation control window to compensate for propagation
delays of different length probes and to set the input/output ratio of any external
attenuation or gain between the signal and input channels. Deskew relates directly
to the vertical settings, so it is important to deskew at the vertical settings at which
measurements will be taken or within the same amplifier range. Refer to the
Deskew/Attenuation Control Window topic in the Online Help of the instrument
for information on the deskew and attenuation procedures.
Operating system restore The instrument contains an operating system restore file on a separate partition of
the hard drive. The preferred method to restore the operating system is to use the
hard disk restore file. For more information, see the instrument user manual.
Updates to firmware and
applications
You should regularly check for updates to the instrument firmware and
applications of your Tektronix products. Access the www.tektronix.com/software
Web page and search for the model number of your instrument (or application) to
check for updates.
6 MSO70000C/DX, DPO70000C/D/DX/SX, DSA70000C/D, DPO7000C Best Practices
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