Tektronix 80E07 User Manual
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Tektronix 80E07 User Manual

Electrical sampling remote modules
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User Manual
80E07, 80E08, 80E09, and 80E10
Electrical Sampling Remote Modules
071-2038-01
This document applies to firmware version 2.5X
and above.
www.tektronix.com

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  • Page 1 User Manual 80E07, 80E08, 80E09, and 80E10 Electrical Sampling Remote Modules 071-2038-01 This document applies to firmware version 2.5X and above. www.tektronix.com...
  • Page 2 Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved.
  • Page 3 Warranty 2 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.

  • Page 5: Table Of Contents

    ........... . 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 6 ........80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 7 Table 7: Electrical sampling modules - - Timebase system ..Table 8: Electrical sampling modules - - Mechanical ... . . 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 8 Table of Contents 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 9: General Safety Summary

    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. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 10 H WARNING indicates an injury hazard not immediately accessible as you read the marking. H CAUTION indicates a hazard to property including the product. The following symbol(s) may appear on the product: Protective Ground CAUTION WARNING Refer to Manual High Voltage (Earth) Terminal 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 11: Environmental Considerations

    Restriction of Hazardous This product has been classified as Monitoring and Control equipment, and is Substances outside the scope of the 2002/95/EC RoHS Directive. This product is known to contain lead, cadmium, and hexavalent chromium. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 12 Environmental Considerations viii 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 13: Preface

    Preface This is the user manual for the 80E07, 80E08, 80E09, and 80E10 remote sampling modules. It covers the following information: H Description of the capabilities of the sampling modules and how to install them H Explanation of how to operate the sampling modules: how to control...

  • Page 14: Related Manuals

    For information of the main instrument in which the sampling module is used, refer to the documents and online help provided with your main instrument. The programming commands for these modules are listed in the programmer guide for the main instrument. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 15: Getting Started

    Proper operation of the electrical sampling modules requires that product software version 2.5 or greater be installed on the main instrument. NOTE. The main instrument may not boot properly if an 80E07, 80E08, 80E09, or 80E10 module is installed into a main instrument that is using product software version 2.4 or earlier.

  • Page 16: Product Description

    (80E08, 80E10) on indicator Hold-down screw (80E08, 80E10) Cable to remote module Right channel Left channel Channel indicator light SELECT channel button Figure 1: Sampling main module and remote module, 80E10 shown 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 17: Figure 2: Sampling Module Block Diagram

    1.85 mm (V) female Refer to the specification section for complete details on risetime, bandwidth, and noise. The 80E07, 80E08, 80E09, and 80E10 remote sampling modules have two independent channels, each with its own acquisition circuitry. The strobe drive signal from the instrument controls the timing of the strobe assertion to each acquisition system.

  • Page 18: Accessories And Options

    This section lists the standard and optional accessories available for the sampling modules, as well as the product options. Standard Accessories The accessories in Table 2 are shipped with the module. Visit the Tektronix web site or a current Tektronix catalog for additions, changes, and details. Table 2: Standard accessories...

  • Page 19: Options

    Table 3: Optional accessories (cont.) Item Part number Connector saver, 3.5 mm SMA 015-0549-xx 80E07, 80E08, 80E09, and 80E10 Remote Sampling Module User 071-2038-xx Manual (printed) Options The following options can be ordered for the module: H Option C3: Three years of calibration services...

  • Page 20: Installation

    Large modules Module ejectors Small modules Hold-down screw Figure 3: Sampling module compartments At least one sampling module must be installed in an instrument to sample signals. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 21: Figure 4: Guide Rails

    CAUTION. Do not use machine screws in the end plate mounting holes that can protrude deeper than 0.38 inches (9.5 mm). Such screws may bottom out in the closed mounting holes and damage the screw threads or break off. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 22: Electrostatic Discharge

    20 V maximum source connected to a 3 V maximum sampling module, use a 10X attenuator. Where possible, connect your cables to the signal source first, and to the sampling module second. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 23: Static Controlled Workstation

    Industries Association document EIA-625; Requirements for Handling Electrostatic-Discharge-Sensitive (ESDS) Devices. You can use a Tektronix 80A02 EOS/ESD Protection Module to protect the sampling module from damage due to static discharge from circuit boards and cables. Use the 80A02 in applications where large static charges can be stored on the device under test, such as when testing TDR circuit boards or cables.
  • Page 24 Getting Started 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 25: Operating Basics

    Never apply a DC or peak voltage greater than the Maximum Input Voltage (see page 49) of your sampling module. Only operate the instrument and sampling module in a static-controlled environment. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 26: Controls

    45. If the sampling-module connectors will receive heavy use, such as in a produc- tion environment, you should install adapters (such as a Tektronix part number 015-0549-xx for 3.5 mm connectors) on the sampling module to make connec- tions to the device under test.

  • Page 27: Channel Selection

    You also control external channel attenuation from the main instrument. External attenuation enables you to enter a number representing external attenuation you have added to a channel. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 28: Commands From The Main Instrument Front Panel

    The channels with TDR capability are active. Use the channel Preset to automatically display the incident step. Once a TDR step is active (and the channel selected), use TDR autoset to automatically find and display the first reflected edge. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 29: Programmer Interface Commands

    All sampling module setups, parameters, and adjustments are controlled by the main instrument. To save, recall, or change any module settings, use the instrument menus or front-panel controls or consult the online help accessed from the main instrument. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 30: Cleaning

    Use only deionized water when cleaning the menu buttons or front-panel buttons. Before using any other type of cleaner, consult your Tektronix Service Center or representative. Do not open the case of the module or the remote modules. There are no user serviceable components and cleaning the interior is not required.

  • Page 31: Reference

    Read the following topics; they provide details that can help you set up and take effective TDR measurements. TDR Step Generation. Both channels in the 80E08 or 80E10 TDR/sampling module have a selectable polarity step generator which gives both channels 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 32: Figure 8: Simplified Schematic Diagram Of Step Generator - Positive Polarity

    0 V. The time displayed from the first transition to the second transition is the round trip propagation time from the acquisition point to the short in the device under test and back. See Figure 9. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 33: Figure 9: Step Generator With A Shorted Output

    (and at the channel connector) is 25 Ω because the internal termination resistance is 50 Ω in parallel with the connector impedance of 50 Ω. The voltage at the acquisition point rises to +250 mV. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 34 50 Ω, or open. Figure 12 shows typical TDR displays and the load that generated the reflection. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 35: Figure 12: Tdr Displays For Typical Loads

    Line terminated in a shunt R-L — — Line terminated in Z /2, E —E Short circuit termination, Z = 0, E = —E Line terminated in a series R-C Figure 12: TDR displays for typical loads 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 36 Input 3. Connect the transmission line to the sampling module using proper probing/connecting techniques for your application (for example: connect an SMA cable of 5 ns length). Remote modules 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 37 Press TDR Autoset Properties to display the Autoset units Properties dialog box to prepare the TDR autoset. A TDR autoset automatically changes the instrument settings such that the reflected edge is displayed on screen. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 38 ACQ Units selector in the TDR Setups dialog box. 10. Press the SETUP DIALOGS button, and select the TDR tab. 11. Select either V for Volts, p for rho, or Ω for ohms. Enable 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 39 Enter a Prop Velocity value to match that of the device under test. 15. Press the SETUP DIALOGS button. 16. Continue with the automatic measurement process on the following page. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 40 Horizontal SCALE, POSITION, and Reference. To see the difference scale and position can make in your waveform display, compare the waveforms in Figure 16 and also compare the waveforms in Figures 13 and 14. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 41 28. Read the results in the cursor readout. In this figure, waveform cursors are used to measure v and t of the waveform, which could be used to compute its slope (dv/dt). Cursor readout 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 42: Tdr Measurements Background

    (see Figure 13 for example discontinuities in a microstrip). Conductor Volts or ρ Open Connector circuit Inductive Capacitive discontinuity discontinuity Incident step Round trip time Figure 13: Microstrip discontinuities 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 43: Figure 14: Tdr Waveform Of Microstrip In Figure 13

    The time location of the high-impedance event or low-impedance event as well as the delta times is displayed on screen. Open Inductive discontinuity Connector Capacitive discontinuity Figure 14: TDR waveform of microstrip in Figure 13 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 44: Figure 15: Tdr Step And Reflection (Short)

    TDR. At 200 kHz, the step “on” time is 2.5 us - enough to see in air (one way transit) 375 meters (about 1,250 feet). To see events at greater distances, set the Internal Clock of the TDR to a lower frequency. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 45: Finding The Velocity Of Propagation And Locating Mismatches

    Z is the unknown impedance. An alternate form of the equation is: Figure 16 shows a typical waveform from a Tektronix TDS oscilloscope or CSA analyzer equipped with an 80E08 or 80E10 TDR/sampling module. In this case, the instrument is connected through a 50 Ω coaxial cable to a 75 Ω device under...

  • Page 46: Figure 16: Tdr Step And Reflection

    (Ω) or reflection coefficient (ρ) for each cursor and the difference between the two cursors. 50 Ω line 75 Ω line 50 Ω line 75 Ω line Figure 16: TDR step and reflection (50 Ω line terminated in 75 Ω) 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 47: Making Accurate Tdr Measurements

    To take TDR measurements on coupled transmission lines. Using common-mode and differential TDR, you can characterize coupled transmission lines. What’s Special? The Tektronix 80E08 or 80E10 sampling modules are true differential sampling modules for more accurate differential TDR measurements. What’s Excluded? This feature only works with an 80E08 or 80E10 sampling module.
  • Page 48 (for example: two SMA cables, preferably of matched length). Connect the device under test to the transmission lines. (Connect the conductors of a differential line to the center conductors. Connect the shields together.) Remote modules 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 49 TDR is activate for the channels. units Select the polarity desired for both channels. polarity Set the units to p. Press the SETUP DIALOGS button to dismiss the dialog box. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 50 Define, C1, +, C2, Math Waveform On, and OK. Take a 16. Take your measurement. For more information see Take measurement automatic measurements on page 26, or Take cursor measurements on page 27. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 51 OK. Set the scale to ρ. (If using volts, subtract the waveforms.) Take a 22. Take your measurement. For more information see Take measurement automatic measurements on page 26, or Take cursor measurements on page 27. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 52 Take a 25. Take your measurement. For more information see Take measurement automatic measurements on page 26, or Take cursor measurements on page 27. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 53 If using a math function, do not adjust the step more, instead adjust channel deskew and channel delay as shown in the following step. - - T0 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 54 If needed, then use the Channel Deskew control. Align using channel deskew NOTE. For further information about deskew and an alternate TDR deskew method, refer to the Quick Start User Manual for the main instrument. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 55: Connector And Adapter Care Requirements

    Use the following guidelines when checking connectors: H Examine connectors first for obvious damage and defects such as worn plating on the interface; broken, bent, or misaligned center conductors; and deformed threads. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 56: Cleaning Connectors

    Wash thoroughly after handling. In case of a spill, soak up with sand or earth, and flush spill area. Dispose of isopropyl alcohol in accordance with the applicable federal, state, and local regulations. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 57 Make sure the connector is completely dry before using. Inspecting the Inspect the connectors to make sure they are clean and connector undamaged. Refer to Visual Inspection on page 41. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 58: Assembly And Torquing

    If starting from a partially disassembled state, such as with a protective coupler, leave subassemblies intact. Maximize protection and minimize disturbance for the connection that is intended to be preserved by the protective coupler. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 59: Table 4: Torque Wrench Information

    Table 4: Torque wrench Information Connector type Torque setting Torque tolerance 56 N-cm (5 in-lb) 5.6 N-cm ( 0.5 in-lb) 1.85 mm 90 N-cm (8 in-lb) 9.0 N-cm ( 0.8 in-lb) 2.4 mm 2.92 mm 3.5 mm 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 60: Detecting Damaged Inputs

    Similar to ESD (Electrical Static Damage), EOS usually is also related to static charges generated by moving elements. However, unlike ESD that typically deals with thousands of volts, 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 61 Reference EOS can occur at a low voltage level. For Tektronix 80E00-series modules, EOS damage could occur at levels as low as 10 V. EOS can have a cumulative effect; repetitive EOS causes incremental damage over time and results in sampling function deterioration.

  • Page 62: Figure 18: First Example Of Eos Error

    Figure 18: First example of EOS error 1.995 p EOS signature 200 mp /div trig’d - - 2.005 p 2 s/div 20.26 s/div 261.7 ns Figure 19: Second example of EOS error showing cumulative effect 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 63: Specifications

    Specifications This section contains specifications for the 80E07, 80E08, 80E09, and 80E10 remote sampling modules. All specifications are guaranteed unless noted as “typical.” Typical specifications are provided for your convenience but are not guaranteed. Specifications that are marked with the n symbol are checked in Performance Verification procedures provided in the Specifications and Performance Verification manual for your main instrument.
  • Page 64 - - - - - - - - 11.67 ps 17.5 ps 80E09 5.83 ps 8.75 ps 11.67 ps - - - - 80E10 7 ps 8.75 ps 11.67 ps - - - - 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 65 The base sensitivity ranges from 10 mV to 1 V full scale in a 1-2-5 sequence of coarse settings. Between coarse settings, the sensitivity can be finely adjusted with a resolution equal to 1 mV. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 66: Table 6: Electrical Sampling Module - - Tdr System

    TDR incident edge delay adjust 135 fs resolution, typical TDR maximum repetition rate 200 kHz IEEE std 1057, section 4.8.2, transition duration of step response. IEEE std 1057, section 4.8.4, overshoot and precursors. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 67: Table 7: Electrical Sampling Modules - Timebase System

    55 mm (2.2 in) Depth: 75 mm (3.0 in) Remote cable length 2 meters NOTE. For System - - Environmental specifications, refer to the Specifications and Performance Verification manual for the main instrument. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 68 Specifications 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 69: Glossary

    Differential Mode A circumstance where the true signal and its logical compliment are transmitted over a pair of conductors. Digital Signal A signal made up of a series of on and off pulses. 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 70 Trigger An electrical event that initiates acquisition of a sample as specified by the time base. Waveform The visible representation of an input signal or combination of signals. 80E07, 80E08, 80E09, and 80E10 User Manual...

  • Page 71: Index

    9 Internal clock, 58 Connector and adapter care, 41 Connectors, 12 Controls, 12 Cursor measurements, 27 Manuals, part numbers, 4 Measurements automatic, 26 cursor, 27 Damaged inputs, detecting, 46 Measurements, TDR, 17, 33 80E07, 80E08, 80E09, and 80E10 User Manual...
  • Page 72 Step generation, TDR, 17 Usage, 11 Step generator, operation, 18, 19, 20 System interaction, 13 Visual inspection, 41 TDR, 58 adjust channel deskew, 40 cause of reflections, 29 Waveform, 58 changing graticule units, 24 80E07, 80E08, 80E09, and 80E10 User Manual...

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