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Tektronix P6131 manual

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Table of contents for the manual

  • Page 1

    Instruction Manual P6131 10X Passive Pr obe for 2400 Series Oscilloscopes 070-5514-03 *P070551403* 070551403 W arning The servicing instructions are for use by qualified personnel only . T o avoid personal injury , do not perform any servicing unless you are qualified to do so. Refer to all safety summaries prior to performing service. www .tektron[...]

  • Page 2

    Copyright © T ektronix, Inc. All rights reserved. T ektronix 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. T ektronix, Inc., P .O. Box 500, Beaverton, OR 97077-1000 TEKTRONIX and TEK are[...]

  • Page 3

    W ARRANTY T ektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of one (1) year from the date of purchase from an authorized T ektronix distributor . If any such product proves defective during this warranty period, T ektronix, at its option, either will repair the d[...]

  • Page 4

    Contacting T ektronix Product support For questions about using T ektronix measurement products, call toll free in North America: 1-800-833–9200 6:00 a.m. – 5:00 p.m. Pacific time Or contact us by e-mail: tm_app_supp@tek.com For product support outside of North America, contact your local T ektronix distributor or sales office. Service support [...]

  • Page 5

    P6131 Instruction Manual i General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. T o avoid potential hazards, use this product only as specified. Only qualified personnel should perform service pr ocedur es. Connect and Disconnect Properly . Do not connect [...]

  • Page 6

    ii P6131 Instruction Manual Service Safety Summary Only qualified personnel should perform service procedures. Read this Service Safety Summary and the General Safety Summary before performing any service procedures. Do Not Service Alone. Do not perform internal service or adjustments to this product unless another person capable of rendering first[...]

  • Page 7

    P6131 Instruction Manual 1 Operating Basics The P6131 probe is a subminiature, 10X, passive probe designed specifically for use with T ektronix 2400 Series oscilloscopes. It is fully compatible with the T ektronix family of subminiature probe accessories. The P6131 is available with 1.3 and 2 meter cable. W ARNING. T o avoid electric shock when usi[...]

  • Page 8

    Operating Basics 2 P6131 Instruction Manual Grounding the Probe Connect the probe to the instrument and connect the ground lead to ground before making any measurement. Ensure that no part of the ground lead contacts voltage in the circuit under test. Except for the probe tip and BNC center conductor , all accessible metal (including the ground cli[...]

  • Page 9

    P6131 Instruction Manual 3 Specifications The characteristics listed in T able 1 apply to P6131 probes installed on T ektronix 2445 and 2465 oscilloscopes or 7A42 plug-ins, unless otherwise noted. Specifications apply when the instruments warm up for a period of at least 20 minutes in an environment that does not exceed the limits described in T ab[...]

  • Page 10

    Specifications 4 P6131 Instruction Manual @25% Duty Factor =(1/2 Peak V) RMS @50% Duty Factor =(1.414 (Peak V)) RMS Special case of square wave: @20% Duty Factor =[(V Peak ) 2 (Duty Factor)] 1/2 Example: Maximum Input V oltage =[(650 V Pk) 2 (.20)] 1/2 = 290 V RMS 0V 0V 0V Figure 2: Maximum input voltage calculation example R P and X P (  ) 10M [...]

  • Page 11

    Specifications P6131 Instruction Manual 5 Frequency (MHz) 500 100 10 1 10 100 V oltage (RMS) Figure 4: T ypical P6131 voltage derating versus frequency T able 2: Environmental characteristics Characteristic Description T emperature range Operating –15 _ C to 65 _ C (+5 _ F to 149 _ F) Nonoperating –62 _ C to 85 _ C (–80 _ F to 185 _ F) Humidi[...]

  • Page 12

    Specifications 6 P6131 Instruction Manual T able 4: Certifications and compliances EC Declaration of Conformity Compliance was demonstrated to the following specification as listed in the Official Journal of the European Communities: Low V oltage Directive 73/23/EEC as amended by 93/68/EEC: EN 61010-1/A2 EN 61010-2-031:1994 Safety requirements for [...]

  • Page 13

    P6131 Instruction Manual 7 Service Information W ARNING. The following instructions ar e for use by qualified service personnel only . T o avoid electrical shock, do not disassemble or maintain the pr obe while it is connected to a signal sour ce other than those specified in this pr ocedur e. This section contains detailed performance checks, adju[...]

  • Page 14

    Service Information 8 P6131 Instruction Manual T able 5: Performance verification and adjustment test equipment (cont.) Description Example product Minimum requirements T ermination 50  BNC T ektronix 01 1-0049-XX Low-reactance alignment tool 2 inch shaft, .050 inch bit size T ektronix 003-0675-XX 2 T o confirm the full bandwidth specification o[...]

  • Page 15

    Service Information P6131 Instruction Manual 9 4. Adjust the sine wave generator output amplitude to produce a 6-division display on the test oscilloscope. Center the waveform on screen. 5. Set the sine wave generator to the high-frequency range and slowly increase the variable frequency control until the display amplitude decreases to 4.2 division[...]

  • Page 16

    Service Information 10 P6131 Instruction Manual 6. Remove the coax cable from the test setup. Connect the P6131 probe output to the same vertical input on the oscilloscope. 7. Connect the probe tip through the probe-tip-to-BNC adapter to the standard amplitude output of the calibration generator . (Y ou must remove the light gray probe-body shell b[...]

  • Page 17

    Service Information P6131 Instruction Manual 11 T o adjust the probe low-frequency compensation do the following: 1. Connect the probe output to the test oscilloscope vertical input. 2. Set the oscilloscope controls as follows: V olts /Division 0.1 V (includes 10X probe attenuation) T ime/Division 1 ms Input Coupling DC Bandwidth Full 3. Connect th[...]

  • Page 18

    Service Information 12 P6131 Instruction Manual Over compensated Under compensated Correct Figure 7: Low-frequency compensation, optimizing the waveform T o adjust the probe high-frequency compensation do the following: 1. Connect the positive-going fast-rise output of the calibration generator to the test oscilloscope with the precision coax cable[...]

  • Page 19

    Service Information P6131 Instruction Manual 13 8. Connect the probe output to the oscilloscope vertical input. 9. Connect the probe tip through the probe-tip-to-BNC adapter and a 50 W termination to the positive-going fast-rise output of the calibration generator . (The light gray probe-body shell must be removed before inserting the probe tip int[...]

  • Page 20

    Service Information 14 P6131 Instruction Manual R2010 R2020 R2021 C1010 R2010 C1010 C2010 R2021 R2020 Plastic-shell version Metal-shell version Figure 8: High-frequency compensation adjustment locations ≈ 20 ns R2021 ≈ 5 ns R2021 ≈ 3 ns R2021 C1010 Figure 9: High-frequency compensation, optimizing the waveform[...]

  • Page 21

    Service Information P6131 Instruction Manual 15 Maintenance Use the following procedures to clean and maintain the P6131 probe. T o remove accumulated dirt from the probe exterior , use a soft cloth dampened with a nonresidue cleaner , preferably isopropyl alcohol. In particular , avoid solvents such as benzene, toluene, xylene, or acetone. Modular[...]

  • Page 22

    Service Information 16 P6131 Instruction Manual[...]

  • Page 23

    P6131 Instruction Manual 17 Replaceable Parts This section contains a list of the replaceable modules for the P6131 probe. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local T ektronix field office or representative. Changes to T ektronix products are sometimes made t[...]

  • Page 24

    Replaceable Parts 18 P6131 Instruction Manual Using the Replaceable Parts List This section contains a list of the replaceable mechanical and electrical compo- nents for the P6131 probe. Use this list to identify and order replacement parts. The table below describes the content of each column of the parts list. Parts list column descriptions Colum[...]

  • Page 25

    Replaceable Parts P6131 Instruction Manual 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Figure 10: P6131 probe with standard accessories Replaceable parts: P6131 probe and standard accessories Fig. & index number T ektronix part number Serial no. effective Serial no. discont’d Qty Name & description Mfr . code Mfr . part number P6131 PROB[...]

  • Page 26

    Replaceable Parts 20 P6131 Instruction Manual Replaceable parts: P6131 probe and standard accessories (cont.) Fig. & index number Mfr . part number Mfr . code Name & description Qty Serial no. discont’d Serial no. effective T ektronix part number 10 –6 174–0972–00 8805 1 CABLE ASSY ,RF:39 OHM COAX,3.0M (ST ANDARD ONL Y) TK2469 174?[...]

  • Page 27

    Replaceable Parts P6131 Instruction Manual 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Figure 1 1: P6131 probe optional accessories Replaceable parts: P6131 probe optional accessories Fig. & index number T ektronix part number Serial no. effective Serial no. discont’d Qty Name & description Mfr . code Mfr . part number P6131 PROBE OPTIONAL ACCESS[...]

  • Page 28

    Replaceable Parts 22 P6131 Instruction Manual Replaceable parts: P6131 probe optional accessories (cont.) Fig. & index number Mfr . part number Mfr . code Name & description Qty Serial no. discont’d Serial no. effective T ektronix part number 1 1–5 206–0364–00 8851 1 TIP ,PROBE:MICROCKT TEST ,0.05 CTR 80009 206–0364–00 –6 013?[...]