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LE160 & LE320 Linear Equalizer
Product Specifications & Performance Verification
Technical Reference Manual
Warning
The servicing instructions are for use by qualified personnel only.
To avoid personal injury, do not perform any servicing unless you
are qualified to do so. Refer to all safety summaries prior to
performing service.
Supports LE160 & LE320 Product Firmware V1.0 and above
*P077088400*
077-0884-00
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Table of Contents
Related Manuals for Tektronix LE160
Summary of Contents for Tektronix LE160
- Page 1 The servicing instructions are for use by qualified personnel only. To avoid personal injury, do not perform any servicing unless you are qualified to do so. Refer to all safety summaries prior to performing service. Supports LE160 & LE320 Product Firmware V1.0 and above *P077088400* 077-0884-00...
- Page 2 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.
- Page 3 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.
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Page 5: Table Of Contents
Prerequisites ............................ Functional checks ........................... Required equipment ........................Functional setups ........................Functional check procedure ..................... Warranted characteristics tests ..................... Warm up information ......................Check the skew between DP and DN ..................Test record LE160 & LE320 Specifications & Performance Verification... - Page 6 Table of Contents LE160 & LE320 Specifications & Performance Verification...
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Page 7: Important Safety Information
Read the safety sections of the other component manuals for warnings and cautions related to operating the system. When incorporating this equipment into a system, the safety of that system is the responsibility of the assembler of the system. LE160 & LE320 Specifications & Performance Verification... - Page 8 Slots and openings are provided for ventilation and should never be covered or otherwise obstructed. Do not push objects into any of the openings. LE160 & LE320 Specifications & Performance Verification...
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Page 9: Service Safety Summary
Disconnect power, remove battery (if applicable), and disconnect test leads before removing protective panels, soldering, or replacing components. Verify safety after repair. Always recheck ground continuity and mains dielectric strength after performing a repair. LE160 & LE320 Specifications & Performance Verification... -
Page 10: Terms In The Manual
(This symbol may also be used to refer the user to ratings in the manual.) The following symbols may appear on the product: LE160 & LE320 Specifications & Performance Verification... -
Page 11: Compliance Information
Emissions which exceed the levels required by this standard may occur when this equipment is connected to a test object. For compliance with the EMC standards listed here, high quality shielded interface cables should be used. LE160 & LE320 Specifications & Performance Verification... -
Page 12: Safety Compliance
The area is protected from direct sunshine, rain, or direct wind. ■ Pollution Degree 4. Pollution that generates persistent conductivity through conductive dust, rain, or snow. Typical outdoor locations. viii LE160 & LE320 Specifications & Performance Verification... -
Page 13: Environmental Compliance
European Union requirements according to Directives 2002/96/EC and 2006/66/EC on waste electrical and electronic equipment (WEEE) and batteries. For information about recycling options, check the Support/Service section of the Tektronix Web site (www.tektronix.com). Restriction of hazardous This product is classified as an industrial monitoring and control instrument, and... - Page 14 Compliance Information LE160 & LE320 Specifications & Performance Verification...
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Page 15: Preface
This document lists the product specifications and provides procedures to verify instrument performance. Related documentation The following documentation is available to support your linear equalizer product. The documents can be downloaded from the Tektronix Web site at www.tektronix.com/manuals. ■ LE160 & LE320 Quick Reference Installation Instructions (Tektronix part number, 071-3222-xx). - Page 16 Preface LE160 & LE320 Specifications & Performance Verification...
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Page 17: Specifications
The instrument must have had a warm-up period of at least 30 minutes. For optimum performance using an external oscilloscope, please consult the documentation for any external oscilloscopes used with your Tektronix linear equalizer to determine the warm-up period and signal-path compensation requirements. -
Page 18: Data Output (Differential)
1100 pattern amplitude Additive Jitter. The LE320/LE160 can be configured to many conditions resulting in increased Data Dependent Jitter (DDJ) and Random Jitter (Rj), for example in a backplane emulation configuration. The LE320 can be tuned to have < 300 fs RJ RMS and < 6 ps of DDJ. -
Page 19: Physical Characteristics
5% to 45% RH above 30 °C up to 50 °C, non-condensing Altitude Operating Up to 3000 m (9842 ft.) Derate maximum operating temperature by 1 °C per 300 m above 1500 m altitude. Nonoperating Up to 12,000 m (39,370 ft.) LE160 & LE320 Specifications & Performance Verification... - Page 20 Specifications Physical characteristics (cont.) LE160 & LE320 Specifications & Performance Verification...
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Page 21: Performance Verification
The linear equalizer must be operating at a stable ambient temperature. ■ No error messages are displayed in the user interface. Functional checks This section describes procedures to verify that the instrument is functional, but might not meet the advertised performance specifications. LE160 & LE320 Specifications & Performance Verification... -
Page 22: Required Equipment
LE160/ LE320 6 in. coaxial cable 2.92 mm, flex K-male to Tektronix pn K-male (174-6362-00), standard part of LE160/ LE320 Functional setups Complete the functional setups before proceeding with the Warranted Characteristic tests. LE160 & LE320 Specifications & Performance Verification... - Page 23 PC through the graphical user interface. 4. Click the Connect tab at the top of the window. 5. Click the 4T tab to open the 4T window. The LE application should look similar to the following figure. LE160 & LE320 Specifications & Performance Verification...
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Page 24: Functional Check Procedure
The Channel 1 button should be highlighted in green. d. Adjust the Output Amplitude control on the linear equalizer to 800 mV The LE display should look similar to the following figure. LE160 & LE320 Specifications & Performance Verification... - Page 25 Set the vertical controls of the oscilloscope to 100 mV per division. d. Set the horizontal controls of the oscilloscope to 10 ps per division. e. Center the traces horizontally on the display as shown in the following figure. Figure 4: Sampling oscilloscope display LE160 & LE320 Specifications & Performance Verification...
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Page 26: Warranted Characteristics Tests
Performance verification Warranted characteristics tests The following procedures in this section verify the LE160/LE320 performance is within the warranted specifications. Photocopy the test record at the end of this document and use it to record the performance test results. Warm up information Before continuing with this procedure ensure that all equipment has had a 20- minute warm-up period. - Page 27 This is the skew between the Ch 2 DP and DN outputs of the linear equalizer. 6. Verify that the entries in rows G and N meet the specifications in the table near the top of the Test Record. LE160 & LE320 Specifications & Performance Verification...
- Page 28 Performance verification LE160 & LE320 Specifications & Performance Verification...
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Page 29: Test Record
LE output cables L. Scope Ch 2 measurement M. Calculate: row K - row L LE Ch 2 Skew between DP and DN N. Calculate: (row J - row M) / 2 LE160 & LE320 Specifications & Performance Verification... - Page 30 Test record LE160 & LE320 Specifications & Performance Verification...
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