Tektronix BERTScope Clock Recovery Quick Start Guide

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Tektronix BERTScope
Clock Recovery Instruments

Quick Start User Manual

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www.tektronix.com
0130-713-00

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Tektronix BERTScope
Clock Recovery Instruments

CR125A, CR175A, CR286A

Quick Start User Manual

www.tektronix.com
0130-713-00

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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, TEK, and BERTScope are registered trademarks of Tektronix, Inc.

FastFrame, OpenChoice, iView, iCapture, Pinpoint, RT-Eye, MyScope, TekLink, TekVPI, Error Location
Analysis, and MultiView Zoom are trademarks of Tektronix, Inc.

Contacting Tektronix

Tektronix, Inc.
14200 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR U.S.A.

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.

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Warranty

Warranty

All Tektronix CR125A, CR175A, and CR286A Clock Recovery Instruments are covered under the standard 1­year product 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 ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

CR125A, CR175A, CR286A Clock Recovery Instruments Quick Start User Manual i

GeneralSafetySummary

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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.

NOTE: 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.

Maintain Proper Grounding to avoid electrical shock.

WARNING

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.

No operator serviceable parts inside.
Do not remove cover.
Refer to qualified service personnel.

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.

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 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.

ii CR125A, CR175A, CR286A Clock Recovery Instruments Quick Start User Manual

GeneralSafetySummary

Terms in this Manual

These terms may appear in this manual:

WARNING.

or loss of life.

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CAUTION.

to this product or other property.

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NOTE.

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modes, incorrect measurement results, or require resetting the instrument or personal

computers operating software interacting with it.

Warning statements identify conditions or practices that could result in injury

Caution statements identify conditions or practices that could result in damage

A notice statement identifies conditions which may result in unintended operating

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. The following symbols may appear on the

product:

CAUTION

CAUTION

To prevent damage to the instrument when the data outputs are not in use, terminate the data
outputs with the SMA terminations provided.

To prevent damage to the high sensitivity data circuitry, ensure that the input voltage does
not exceed ±5 V range, 3 V peak-peak.

CR125A, CR175A, CR286A Clock Recovery Instruments Quick Start User Manual iii