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Tektronix LE160, Техническое справочное руководство

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Specifications

 Physical characteristics (cont.)

6

 LE160 & LE320 Specifications & Performance Verification

Содержание LE160

Страница 1: ...nual P077088400 077 0884 00 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 ...

Страница 2: ...d 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 500 Beaverton OR 97077 USA For product information sales service and technical support In North America call 1 800 833 ...

Страница 3: ...s 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...

Страница 4: ......

Страница 5: ...mpliance ix Preface Related documentation 1 Specifications Data input single ended 3 Data output differential 4 Physical characteristics 5 Environmental characteristics 5 Performance verification Prerequisites 7 Functional checks 7 Required equipment 8 Functional setups 8 Functional check procedure 10 Warranted characteristics tests 12 Warm up information 12 Check the skew between DP and DN 12 Tes...

Страница 6: ...Table of Contents ii LE160 LE320 Specifications Performance Verification ...

Страница 7: ...rect and safe operation of the product it is essential that you follow generally accepted safety procedures in addition to the safety precautions specified in this manual The product is designed to be used by trained personnel only Only qualified personnel who are aware of the hazards involved should remove the cover for repair maintenance or adjustment This product is not intended for detection o...

Страница 8: ...ove the rated voltage for that terminal The measurement terminals on this product are not rated for connection to mains or Category II III or IV circuits Do not operate with suspected failures If you suspect that there is damage to this product have it inspected by qualified service personnel Disable the product if it is damaged Do not use the product if it is damaged or operates incorrectly If in...

Страница 9: ...ng any service procedures To avoid electric shock Do not touch exposed connections Do not service alone Do not perform internal service or adjustments of this product unless another person capable of rendering first aid and resuscitation is present Disconnect power To avoid electric shock switch off the product power and disconnect the power cord from the mains power before removing any covers or ...

Страница 10: ...tely 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 Symbols on the product When this symbol is marked on the product be sure to consult the manual to find out the nature of the potential hazards and any actions which have to be taken to avoid them This symbol may a...

Страница 11: ...etic field immunity IEC 61000 4 4 2004 Electrical fast transient burst immunity IEC 61000 4 5 2001 Power line surge immunity IEC 61000 4 6 2003 Conducted RF immunity IEC 61000 4 11 2004 Voltage dips and interruptions immunity EN 61000 3 2 2006 AC power line harmonic emissions EN 61000 3 3 1995 Voltage changes fluctuations and flicker European contact Tektronix UK Ltd Western Peninsula Western Road...

Страница 12: ... only in the environment for which they are rated Pollution Degree 1 No pollution or only dry nonconductive pollution occurs Products in this category are generally encapsulated hermetically sealed or located in clean rooms Pollution Degree 2 Normally only dry nonconductive pollution occurs Occasionally a temporary conductivity that is caused by condensation must be expected This location is a typ...

Страница 13: ...ment recycling Production of this equipment required the extraction and use of natural resources The equipment may contain substances that could be harmful to the environment or human health if improperly handled at the product s end of life To avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to recycle this product in an appropriate...

Страница 14: ...Compliance Information x LE160 LE320 Specifications Performance Verification ...

Страница 15: ...ructions Tektronix part number 071 3222 xx Printed instructions shipped with each instrument providing high level installation information LE160 LE320 Linear Equalizer Instruction Manual Tektronix part number 077 0883 xx PDF only This document provides high level information for using and maintaining the linear equalizer LE160 LE320 Linear Equalizer Declassification Security Instructions Tektronix...

Страница 16: ...Preface 2 LE160 LE320 Specifications Performance Verification ...

Страница 17: ...xternal 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 Data input single ended Number of taps 4 standard 9 with Option 9T Operating data rate range LE160 4 Gb s to 21 Gb s LE320 8 Gb s to 32 Gb s 1 Coupling AC coupled Maximum data input level 800 mvp p t...

Страница 18: ...to 0 V 10 mV in 40 UI 2 9 ns idle state fall time after enable asserted Time constant is based on 14 Gb SAS fibre channel and PCIe Gen4 Timing from full output to 0 V Hold at 0 for 2 ms minimum then return to enable Rise time expectation is on order of 30 to 40 ps Latency of blanking period start is not timed to anything else Consecutive run length amplitude droop 10 maximum droop typical PCIe 16 ...

Страница 19: ... 8 F with 15 C hour maximum gradient Humidity Operating 5 to 95 relative humidity RH up to 30 C 5 to 45 RH above 30 C up to 50 C non condensing Nonoperating 5 to 95 relative humidity RH up to 30 C 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 S...

Страница 20: ...Specifications Physical characteristics cont 6 LE160 LE320 Specifications Performance Verification ...

Страница 21: ...cations For your instrument to be calibrated it must be returned to a Tektronix service facility Prerequisites The tests in this section make up an extensive valid confirmation of performance and functionality when the following requirements are met The linear equalizer and other test equipment used in these procedures must have been operating for a warm up period of at least 20 minutes after star...

Страница 22: ...cope 50 GHz minimum bandwidth Tektronix DSA8300 with 80E108 or 80E11 modules installed or equivalent Check rise time and signal fidelity Phase matched cable set 2 92 mm 2 ps matching I m maximum Tektronix pn 174 5969 00 standard part of LE160 LE320 6 in coaxial cable 2 92 mm flex K male to K male Tektronix pn 174 6362 00 standard part of LE160 LE320 Functional setups Complete the functional setups...

Страница 23: ... equalizer and verify that the Power LED turns on 3 Make sure that the LE application is running on the host PC by verifying that the linear equalizer connects to the 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 Performance verification LE160 LE320 Spe...

Страница 24: ...m with a 800 mVp p output 2 Verify that the linear equalizer is set up as follows a Click the Connect button in the user interface to connect the application to the linear equalizer b Select the 4T tab c Enable Channel 1 on the linear equalizer and set the amplitude for approximately 800 mVP P output The Channel 1 button should be highlighted in green d Adjust the Output Amplitude control on the l...

Страница 25: ...cilloscope out put to the Ch 1 output of the linear equalizer c 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 Performance verification LE160 LE320 Specifications Performance Verificatio...

Страница 26: ...illoscope Record the value in Scope Ch 1 measurement row A in the Test Record b Measure the negative crossing point on channel 2 of the oscilloscope Record the value in Scope Ch 2 measurement row B in the Test Record c Subtract the value from row A minus row B and enter in row C in the Test Record d Reverse the oscilloscope input cables at the output of the linear equalizer Oscilloscope Channel 1 ...

Страница 27: ...l 1 should now be connected to the Ch 1 output of the linear equalizer and oscilloscope Channel 2 should be connected to the Ch 1 output of the linear equalizer g Measure the negative crossing point on channel 1 of the oscilloscope Record the value in Scope Ch 1 measurement row K in the Test Record h Measure the positive crossing point on channel 2 of the oscilloscope Record the value in Scope Ch ...

Страница 28: ...Performance verification 14 LE160 LE320 Specifications Performance Verification ...

Страница 29: ...pe Ch 2 measurement C Calculate row A row B LE Ch 1 Measurement 2 After changing LE output cables D Scope Ch 1 measurement E Scope Ch 2 measurement F Calculate row D row E LE Ch 1 Skew between DP and DN G Calculate row C row F 2 Table 3 LE Channel 2 Worksheet test data Characteristic Measurement Data LE Ch 2 Measurement 1 H Scope Ch 1 measurement I Scope Ch 2 measurement J Calculate row H row I LE...

Страница 30: ...Test record 16 LE160 LE320 Specifications Performance Verification ...

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