Tektronix P6339A Instruction Manual
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Tektronix P6339A Instruction Manual

Tektronix P6339A Instruction Manual

500 mhz buffered passive probe
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Summary of Contents for Tektronix P6339A

  • Page 1 Complimentary Reference Material This PDF has been made available as a complimentary service for you to assist in evaluating this model for your testing requirements. TMG offers a wide range of test equipment solutions, from renting short to long term, buying refurbished and purchasing new. Financing options, such as Financial Rental, and Leasing are also available on application.
  • Page 2 Instruction Manual P6339A 500 MHz Buffered Passive Probe 071-0178-01 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.
  • Page 3 Copyright © Tektronix, Inc. All rights reserved. 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. Tektronix, Inc., P.O. Box 500, Beaverton, OR 97077 TEKTRONIX, TEK, TEKPROBE, and SureFoot are registered trademarks of Tektronix, Inc.
  • Page 4 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.

  • Page 6: Table Of Contents

    ........P6339A Instruction Manual...
  • Page 7 Replaceable Parts ........P6339A Instruction Manual...
  • Page 8 Figure 16: Replacing the cable assembly ....Figure 17: P6339A replaceable parts and standard accessories ........
  • Page 9 ........Table 9: Settings for rise time check ....P6339A Instruction Manual...

  • Page 10: General Safety Summary

    Do Not Operate With Suspected Failures. If you suspect there is damage to this product, have it inspected by qualified service personnel. Do Not Operate in Wet/Damp Conditions. Do Not Operate in an Explosive Atmosphere. Keep Product Surfaces Clean and Dry. P6339A Instruction Manual...
  • Page 11 CAUTION indicates a hazard to property including the product. Symbols on the Product. These symbols may appear on the product: Double CAUTION WARNING Protective Ground Insulated Refer to Manual High Voltage (Earth) Terminal P6339A Instruction Manual...

  • Page 12: Service Safety Summary

    Use Care When Servicing with Power On. Dangerous voltages or currents may exist in this product. Disconnect power, remove battery (if applicable), and disconnect test leads before removing protective panels, soldering, or replacing components. To avoid electric shock, do not touch exposed connections. P6339A Instruction Manual...
  • Page 13 Service Safety Summary P6339A Instruction Manual viii...

  • Page 14: Contacting Tektronix

    This phone number is toll free in North America. After office hours, please leave a voice mail message. Outside North America, contact a Tektronix sales office or distributor; see the Tektronix web site for a list of offices. P6339A Instruction Manual...
  • Page 15 Contacting Tektronix P6339A Instruction Manual...

  • Page 16: Getting Started

    For a complete list of specifications, refer to page 9. Features and Accessories Table 1 illustrates the user features of the P6339A Buffered Passive Probe and standard accessories. In addition to those items shown, the standard accessories also include the following:...

  • Page 17: Table 1: Features And Accessories

    SMT KlipChip Connects the probe ground to and ground small or hard to reach ground lead reference points. The ground lead also connects to a variety of optional accessories. P6339A Instruction Manual...
  • Page 18 Guard WARNING. To avoid electric shock when using the probe, keep fingers behind the guard on the probe body. Ordering information for replaceable parts and standard accessories begins on page 35. P6339A Instruction Manual...

  • Page 19: Optional Accessories

    Figure 1. This adapter enables connections to very small leads. Figure 1: SMK4 Micro KlipChip adapter The P6339A probe is fully compatible with the entire line of 3.5 mm (compact) accessories. Ordering information for optional accessories begins on page 35.

  • Page 20: Tekprobe Communication

    DC Offset This procedure verifies that the oscilloscope can compensate for the DC offset of each volts/division range of the the P6339A probe. 1. With the probe attached to channel 1, set the oscilloscope to the lowest volts/division setting (10 mV/div).

  • Page 21: Dc Gain And Attenuation

    DC source to display four or five divisions of vertical deflection and check that the measured value of the input agrees with the output of the generator or DC source. This completes the functional check procedure. P6339A Instruction Manual...

  • Page 22: Operating Basics

    Operating Basics To obtain the best performance from the P6339A probe, compensate the probe as needed, observe the maximum input voltage and make appropriate probe connections. Probe Compensation Due to variations in oscilloscope input characteristics, probe low-frequency compensation may need adjustment after moving the probe from one oscilloscope to another.

  • Page 23: Maximum Input Voltage

    (see Figure 3). Accessories are included with the probe that provide convenient means to make short connections (see page 2). Short ground lead 3“ Ground lead Figure 3: Ground lead effects P6339A Instruction Manual...

  • Page 24: Specifications

    Specifications All specifications in Table 2 apply to the probe only unless marked as system. The system specifications apply when the P6339A probe is operated with a TDS 794D in an environment that does not exceed the limits described in Table 3 on page 11.
  • Page 25 150 V Voltage derating, typical See Figure 4 Input impedance, typical See Figure 5 Input phase, typical See Figure 6 Full dynamic range at 50 V and 100 V/div would exceed the safety rating of the probe. P6339A Instruction Manual...

  • Page 26: Figure 4: Voltage Derating, Typical

    CAT II Altitude, non-operating < 15,240 meters (50,000 ft) Category I, 420 V and 600 V (DC + peak AC Category II Category III 600V 400V 300V 200V 100V Voltage 100M Frequency (Hz) Figure 4: Voltage derating, typical P6339A Instruction Manual...

  • Page 27: Figure 5: Input Impedance, Typical

    100 k 10 M 100 M Frequency (Hz) Figure 5: Input impedance, typical -10_ -20_ -30_ -40_ -50_ -60_ -70_ -80_ -90_ 10 k 100 k 10 M 100 M Frequency (Hz) Figure 6: Input phase, typical P6339A Instruction Manual...

  • Page 28: Table 4: Physical Characteristics

    Specifications Table 4 lists the physical characteristics of the P6339A probe. Table 4: Physical characteristics Weight, typical Shipping weight: 515 g (1.2 lbs) including shipping materials Net weight: 185 g (0.41 lbs), probe only Cable length, typical 1.3 m (51.18 in) Table 5 lists the certifications and compliances.
  • Page 29 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 typical office/home environment. Temporary condensation occurs only when the product is out of service. P6339A Instruction Manual...
  • Page 30 WARNING The following servicing instructions are for use only by qualified personnel. To avoid injury, do not perform any servicing other than that stated in the operating instructions unless you are qualified to do so. Refer to all safety summaries before performing any service.

  • Page 32: Adjustment And Verification Procedures

    Adjustment and Verification Procedures Use the following procedures to adjust and verify the P6339A Buffered Passive Probe to warranted specifications. Before beginning these procedures, photocopy the test record on pages 27 through 29 and use it to record test results. The recommended adjustment and verification interval is one year.

  • Page 33: Equipment Required

    50 W, 1%, precision BNC cable 012-0482-00 Dual-male-banana-to- As per description 103-0090-00 female BNC adapter 50 W ± 0.1% Precision inline BNC 011-0129-00 terminator Probe tip shorting As per description connector 50 W, 10X In-line attenuator 011-0059-02 P6339A Instruction Manual...

  • Page 34: Preparation

    5. Set the offset button to the off position (button not illuminated). 6. Allow at least 20 minutes for the equipment to warm up. NOTE. Ambient temperature must be within 20_ C to 30_ C when you adjust the probe. P6339A Instruction Manual...

  • Page 35: Adjustment Locations

    Figure 7 shows the locations of the adjustments and the DIP switches (S1) that manually set the probe attenuation (gain) range. LF COMP HF Adjust GAIN Offset, DIP switches shown in “1” position Offset, X10 Offset, X100 Figure 7: Location adjustments and DIP switches P6339A Instruction Manual...

  • Page 36: Procedures

    Perform the adjustment and verification procedures in order. HF Adjust 1. Setup the equipment as shown in Figure 8 on page 20. (For this procedure, the probe tip does not have to be connected to the probe compensation signal.) P6339A Instruction Manual...

  • Page 37: Compensate The Probe

    Compensate the Probe 1. Set up the equipment as shown in Figure 8. 2. With the P6339A probe installed on the 1103 power supply, set all the DIP switches to the “0” position. See Figure 7 on page 18. 3. Using Table 7 on page 19, set the DIP switches for 50 mV/div.

  • Page 38: Rise Time And Aberrations

    5. Adjust R1 and R3 for a flat response with minimum rise time (≤ 700 ps). 6. Adjust C4 for minimum aberrations in the first 3 ns. TDS 694C Digitizing Oscilloscope High Amplitude Pulse Generator BNC-to-probe tip adapter 013-0227-00 P6339A Figure 10: Setup for rise time and aberrations P6339A Instruction Manual...

  • Page 39: Output Zero Adjust

    DMM reading of 0.0 mV ± 1 mV. 6. Set the DIP switches for each attenuation range listed in Table 7 and adjust the corresponding offset potentiometer for a DMM reading of 0.0 mV ± 0.5 mV. P6339A Instruction Manual...

  • Page 40: Dc Attenuation Accuracy

    4. Set the DIP switches for an attenuation of 10 mV and adjust the gain potentiometer marked 10m (top row, left) for the best compromise that produces an output reading on the DMM within the limits listed in Table 8 on page 24 for both positive and negative voltage inputs. P6339A Instruction Manual...

  • Page 41: Table 8: Input Voltages For Dc Attenuation Accuracy

    (1 0 1 0 0 0 1 1) –50.00 V –102.0 mV to –98.0 mV 20 V +100.0 V 98.0 mV to 102.0 mV (1 0 1 0 0 1 0 0) –100.0 V –102.0 mV to –98.0 mV P6339A Instruction Manual...

  • Page 42: Rise Time Check

    1. Connect the probe as shown in Figure 13. TDS 694C Digitizing Oscilloscope High Amplitude Pulse Generator BNC-to-probe tip adapter 013-0227-00 P6339A Figure 13: Setup for rise time check 2. Set all the DIP switches to the “1” position. P6339A Instruction Manual...

  • Page 43: Reset Dip Switches And Install Cover

    1. Return all DIP switches to the “1” position as shown in Figure 7 on page 18. 2. Place the top cover back onto the compensation box and secure the cover with the four screws removed earlier. This completes the adjustment and verification procedures. P6339A Instruction Manual...

  • Page 44: Test Record

    Adjustment and Verification Procedures Test Record Photocopy the following test record and use it to record test results. P6339A Test Record, Page 1 of 3 Serial Number Procedure performed by Date Oscilloscope tests Low limit Test result High limit Output zero 10 mV –20 mV...
  • Page 45 Adjustment and Verification Procedures P6339A Test Record, Page 2 of 3 Oscilloscope tests Low limit Test result High limit 10 mV +98.0 mV +102.0 mV ± attenuation (±100 mV in) –102.0 mV –98.0 mV accuracy 20 mV +98.0 mV +102.0 mV ±...
  • Page 46 Adjustment and Verification Procedures P6339A Test Record Page 3 of 3 Oscilloscope tests Low limit Test result High limit Rise time 10 mV 1.4 ns 20 mV 875 ps 50 mV 700 ps 0.2 V 700 ps 0.5 V 700 ps...
  • Page 47 Adjustment and Verification Procedures P6339A Instruction Manual...

  • Page 48: Maintenance

    Maintenance The procedures in this section describe how to maintain and repair the P6339A Buffered Passive Probe. Cleaning Remove dirt with a soft cloth dampened in a mild detergent and water solution or isopropyl alcohol. CAUTION. To avoid damaging the probe, use only a mild detergent and water solution or isopropyl alcohol;...

  • Page 49: Replacing Tekprobe Interface Pins

    See Figure 14. 2. To replace the pin, insert the new pin into the socket and press it in against a hard surface. Figure 14: Replacing TekProbe interface pins P6339A Instruction Manual...

  • Page 50: Removing And Replacing The Tekprobe Interface Collar

    2. To replace the collar, align the smaller group of pins with the smaller of the two holes in the interface collar and align the tabs with the slots. Gently press the two pieces together. See Figure 15. Slot Figure 15: Replacing the TekProbe collar P6339A Instruction Manual...

  • Page 51: Removing And Replacing The Cable Assembly

    3. Remove the nut from the old cable and place it onto the new cable. 4. Insert the new cable into the housing until it snaps into place. 5. Tighten the retaining nut (approximately 30 inch-lbs). Threading housing Cable Retaining nut Figure 16: Replacing the cable assembly P6339A Instruction Manual...

  • Page 52: Replaceable Parts

    Replaceable Parts Figure 17: P6339A replaceable parts and standard accessories P6339A Instruction Manual...
  • Page 53 Replaceable Parts P6339A Instructions...
  • Page 54 Replaceable Parts P6339A Instructions...
  • Page 55 Replaceable Parts P6339A Instructions...

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