Tektronix 80E01 Скачать руководство пользователя

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Specifications

80E00 Electrical Sampling Modules User Manual

Table 11: Electrical sampling modules - Mechanical

Specifications

Characteristics

Weight (unpackaged)

0.4 kg (13 oz.)

Overall dimensions

Height:

25 mm (1.0 in)

Width:

79 mm (3.1 in)

Depth:

135 mm (5.3 in)

Does not include connectors, connector savers, connector covers, push
buttons, or lock-down hardware protruding from the front or rear panels.

Construction material

Chassis:

aluminum alloy

Front panel:

plastic laminate

Circuit boards:

glass-laminate

Cabinet:

aluminum

NOTE

. For environmental specifications, refer to the documentation for your

main intsrument.

Содержание 80E01

Страница 1: ...User Manual 80E01 80E02 80E03 80E04 80E06 Electrical Sampling Modules 071 0434 05 This document applies to firmware version 1 00 and above www tektronix com...

Страница 2: ...nd pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektr...

Страница 3: ...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 maintena...

Страница 4: ......

Страница 5: ...nnel Selection 12 TEKPROBE Connector 13 TDR On Indicator 13 System Interaction 13 Commands From the Main Instrument Front Panel 13 Programmer Interface Commands 14 User Adjustments 14 Cleaning 14 Refe...

Страница 6: ...TDR waveform of microstrip in Figure 12 28 Figure 14 TDR step and reflection short 29 Figure 15 TDR step and reflection 50 line terminated in 75 31 Figure 16 TDR step of undamaged sampling module 44...

Страница 7: ...ound 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 ratin...

Страница 8: ...result in damage to this product or other property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING...

Страница 9: ...educe the use of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately The symbol shown t...

Страница 10: ...Environmental Considerations vi 80E00 Electrical Sampling Modules User Manual...

Страница 11: ...locate the document A printed version of this manual is also orderable see Optional Accessories on page 4 Manual Structure This manual is composed of the following chapters H Getting Started shows you...

Страница 12: ...Preface viii 80E00 Electrical Sampling Modules User Manual...

Страница 13: ...ng modules requires that the appropriate application software is installed on the main instrument In Table 1 each new release of software supports the additional electrical modules as well as all elec...

Страница 14: ...mm K female4 Number of TDR channels N A N A N A 2 N A 1 The 80E01 module risetime is estimated using the formula risetime 0 35 bandwidth The 80E06 module risetime is estimated using the formula riseti...

Страница 15: ...80E06 are single channel modules with a dedicated strobe drive and generator To main instrument To main instrument Figure 1 Sampling module block diagram TDR on indicator light red 80E04 Signal connec...

Страница 16: ...ble Calibration for product at initial shipment Not Orderable 2 4 mm male to 2 92 mm K female adapter 80E01 and 80E06 only 1 015 0703 xx SMA male 50 termination one per channel 015 1022 xx Transit cas...

Страница 17: ...CSA8000 TDS8000 Series Service Manual 071 0438 xx DSA8200 Service Manual 071 2049 xx Terminator ECL 015 0558 xx Connector saver 3 5 mm SMA 015 0549 xx 80E00 Electrical Sampling Module User Manual pri...

Страница 18: ...le compartment Installing a large module in the right most slot disables the small module compartment that is second from the left Each instrument supports four large compartment channels two per samp...

Страница 19: ...ge to the sampling module do not create an ESD antenna by leaving cables attached to the sampling module input with the other end of the cable open To prevent damage to the sampling module or instrume...

Страница 20: ...to tighten the sampling module into place See Figure 4 CAUTION To prevent damage to the sampling module or instrument never install or remove a sampling module when the instrument is powered on or wh...

Страница 21: ...ed from the Utilities menu when doing the following H Installing an 80E00 sampling module extender between the instrument and an 80E00 sampling module where none was used before H Removing an 80E00 sa...

Страница 22: ...Getting Started 10 80E00 Electrical Sampling Modules User Manual...

Страница 23: ...ide the Maximum Input Voltage see page 48 for your sampling module To prevent electrostatic damage to the instrument and sampling modules follow the precautions described in this manual and the manual...

Страница 24: ...cable has a worn or damaged connector because you may damage the sampling mod ule connector Use extra care when attaching or removing a cable from the connectors Turn only the nut not the cable When a...

Страница 25: ...dule is a part of a larger instrument system Most of the sampling module functions such as vertical and horizontal scale are controlled automatically by the main instrument You do not directly control...

Страница 26: ...d 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 Cleaning The case of...

Страница 27: ...nectors Do not allow moisture inside the module Do not use abrasive compounds on any part of the chassis as they may damage it CAUTION To prevent damage avoid the use of chemical cleaning agents that...

Страница 28: ...Operating Basics 16 80E00 Electrical Sampling Modules User Manual...

Страница 29: ...r and adapter including protection against electrostatic discharge ESD cleaning connectors and the assembly and torquing of connectors H TDR Impedance Measuring describes the stand alone application t...

Страница 30: ...nt to main instrument 50 10 mA DUT 10 mA Figure 7 Simplified schematic diagram of step generator positive polarity The following sections and Figures 8 10 describe the operation with a short circuit a...

Страница 31: ...r Figure 9 Step generation with a 50 load When the diode switch opens reverse biased apparent resistance to ground at the acquisition point and at the channel connector is 25 because the internal term...

Страница 32: ...to 500 mV At the acquisition point the time displayed from the first step to the second step is the round trip propagation time from the acquisition point to the open in the DUT and back See Figure 10...

Страница 33: ...nated in ZL 2Zo Er Ei 3 Line terminated in Characteristic Zo ZL Zo Er 0 Short circuit termination ZL 0 Er Ei Line terminated in ZL Zo 2 Er Ei 3 Ei Line terminated in a series R L Ei Line terminated in...

Страница 34: ...the main instrument user documentation or online help for scaling and acquisition setup Input 3 Connect the transmission line to the sampling module using proper probing connecting techniques for your...

Страница 35: ...f the probe or cable Assuming the line to be tested is an open end microstrip on a circuit board and that your probe or cable is now connected to the line you will see the new open reflection to the r...

Страница 36: ...ases You can select from seconds bits or distance The timebase scale and position controls adopt the units you select 13 If your application requires it you can also set either of the following contro...

Страница 37: ...check box as indicated at the right to turn gating on and to display the gates on screen 21 Use the G1 Gate1 and G2 spin controls or click and type in values use the keypad or multipurpose knobs or t...

Страница 38: ...o compute its slope dv dt 23 Press the SETUP DIALOGS button and select the Cursor tab 24 Select the Waveform cursor type 25 From the pop up list for each of Cursor 1 and Cursor 2 select your TDR sourc...

Страница 39: ...idth of a circuit board trace causes a reflection with an amplitude related to the magnitude of the impedance change A Time Domain Reflectometer sends out a step on the cable circuit board or integrat...

Страница 40: ...that point this is seen by a TDR TDR also displays changes in capacitance If you think of the TDR display in terms of bumps and dips it tends to make interpretation a lot easier A bump upward deflect...

Страница 41: ...related are step amplitude step risetime and step width Step amplitude is the amount of voltage produced by the TDR step It is fixed for the 80E04 at 250 mV In general the higher the amplitude the fa...

Страница 42: ...user documentation and online help for more information about distance scale operation All TDR impedance measurements are based on the ratio of transmitted voltage to reflected voltage As a result me...

Страница 43: ...e device under test is about 0 4 division high These numbers equate to a reflection coefficient of 0 2 0 4 divisions divided by 2 divisions Plugging the known 50 level and the reflection coefficient i...

Страница 44: ...enhance resolution Reference Impedance All TDR measurements are relative they compare an unknown impedance to a known impedance The accuracy of the results depends directly on the accuracy of the ref...

Страница 45: ...R features of the 80E04 sampling module Overview To take a common mode or differential TDR measurement Control elements resources Prerequisites 1 Connect your wrist strap to the antistatic connector o...

Страница 46: ...er TDR parameters 9 Adjust the Manual Step Deskew adjustment to set the time at which the step generator for the right channel asserts the TDR step relative to the left channel Notice that the second...

Страница 47: ...ing Define C1 C2 Math Waveform On and OK Take a measurement 15 Take your measurement For more information see Take automatic measurements on page 25 or Take cursor measurements on page 26 Enable diffe...

Страница 48: ...2 You can make forward and reverse Time Domain Transmission TDT measurements using the 80E04 To perform a TDT measurement connect one sampling module channel to the input of the device under test and...

Страница 49: ...zero Device under test Adjust TDR step deskew 3 Then from the TDR setup window adjust the TDR Manual Step Deskew so that the propagation delay T0 between the incident edges is equal to the propagatio...

Страница 50: ...en if you are uncertain about its conductivity 3 Always wear a grounded wrist strap having a 1 M resistor in series when handling components and devices or when making connections to the test set ESD...

Страница 51: ...faces and inspecting the connector Overview To follow proper cleaning procedures Control elements resources Cleaning Precautions 1 Ground the hose nozzle to prevent ESD See Electrostatic Discharge on...

Страница 52: ...wap is recommended 3 Clean the connector threads 4 After the alcohol evaporates blow the threads dry using low pressure compressed air or nitrogen Make sure the threads are completely dry before you r...

Страница 53: ...hat all center conductors are within the observed pin depth values 5 For multiple connections always put the fixed wrench on the inside stationary half of a connection and apply torque to the outside...

Страница 54: ...rotective connector to prevent or reduce damage to a connector Final connection 1 Use a torque wrench to make the final connection See Table 5 on page 42 for torque wrench information 2 Rotate only th...

Страница 55: ...c discharge and overvoltages EOS to the input Damage can occur instantaneously Under most conditions when EOS damage occurs the trace will be flat It typically involves short period high current disch...

Страница 56: ...recautions are not very effective for EOS damage prevention This is particularly true when the Device Under Test DUT is isolated from any reference voltage levels including the ground level To prevent...

Страница 57: ...an 80E04 sampling module and your instrument has TDR capability attach a 50 termination to the channel input and perform a TDR measurement of the attached fitting 1 Select the TDR channel to turn it...

Страница 58: ...eference 46 80E00 Electrical Sampling Modules User Manual trig d T 261 7 ns 2 s div 20 26 s div EOS signature 1 995 p 200 mp div 2 005 p Figure 18 Second example of EOS error showing cumulative effect...

Страница 59: ...The oscilloscope must have been operating continuously for 20 minutes within the operating temperature range specified H The instrument must be in an environment with temperature altitude humidity and...

Страница 60: ...04 2 n Input impedance 50 0 5 Vertical dynamic range 1 Vpp offset 500 mV Vertical operating range1 maximum 1 6 V Vertical nondestruct 2 Sampling module Maximum input range 2 Maximum input 80E01 80E06...

Страница 61: ...3 and 80E04 3 or less over the zone 10 ns to 20 ps before step transition 10 5 or less for the first 300 ps following step transition 3 or less over the zone 300 ps to 5 ns following step transition 1...

Страница 62: ...nal Ranges in IEEE std 1057 section 2 2 1 4 IEEE std 1057 section 4 8 2 Transition Duration of Step Response The 80E01 rise time is calculated from the 0 35 bandwidth risetime product The 80E06 rise t...

Страница 63: ...for the first 400 ps following step transition 3 or less over the zone 400 ps to 5 ns following step transition 1 or less after 5 ns following step transition 1 IEEE std 1057 section 4 8 2 transition...

Страница 64: ...25 mm 1 0 in Width 79 mm 3 1 in Depth 135 mm 5 3 in Does not include connectors connector savers connector covers push buttons or lock down hardware protruding from the front or rear panels Constructi...

Страница 65: ...ured in cycles per second Digital bandwidth is measured in bits of information per second Channel A place to connect a signal or attach a network or transmission line to sampling modules Common Mode A...

Страница 66: ...R step generators Also available at the front panel Internal Clock Output connector Rho When making TDR measurements the ratio of the incident step to the reflected step A value of one 1 indicates com...

Страница 67: ...terface 14 Common mode 53 TDR 33 Common mode TDR measurements 18 33 35 Compensation 5 9 when installing moving sampling modules 9 Connector and Adapter Care 38 Connectors 12 Contacting Tektronix vi Cu...

Страница 68: ...channel deskew 37 Calibration application 43 Cause of reflections 28 Changing graticule units 23 Common mode 32 35 Common mode measurements 33 database interface 43 differential and common mode measur...

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