Tektronix DAS MTIF Instructions Manual
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Tektronix DAS MTIF Instructions Manual

Tektronix DAS MTIF Instructions Manual

For the 92a96 acquisition module
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Instructions
DAS MTIF
For the 92A96 Acquisition Module
070-9798-00
There are no current European directives that
apply to this product. This product provides
cable and test lead connections to a test object of
electronic measuring and test equipment.
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.

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Summary of Contents for Tektronix DAS MTIF

  • Page 1 Instructions DAS MTIF For the 92A96 Acquisition Module 070-9798-00 There are no current European directives that apply to this product. This product provides cable and test lead connections to a test object of electronic measuring and test equipment. Warning The servicing instructions are for use by qualified personnel only.
  • Page 2 © 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. Printed in the U.S.A.
  • Page 3 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 4: Table Of Contents

    ..... . Designing an Interface Between a DAS MTIF and a SUT ..
  • Page 5 Figure 9: Equivalent circuit for the DAS MTIF ....Figure 10: Equivalent circuit for the DAS MTIF with a Low-Profile Extender ..........

  • Page 6: General Safety Summary

    Do Not Operate in Wet/Damp Conditions. Do Not Operate in an Explosive Atmosphere. Keep Product Surfaces Clean and Dry. Provide Proper Ventilation. Refer to the manual’s installation instructions for details on installing the product so it has proper ventilation. DAS MTIF Instructions...
  • Page 7 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. The following symbols may appear on the product: WARNING Protective Ground CAUTION Double High Voltage (Earth) Terminal Refer to Manual Insulated DAS MTIF Instructions...

  • Page 8: 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. DAS MTIF Instructions...

  • Page 9: Preface

    “microprocessor” throughout these instructions. For information on how to connect a DAS MTIF for the 92A96 Acquisition Module to a Tektronix microprocessor support (TMS) probe adapter, refer to the instruction manual for the TMS product.

  • Page 10: Operating Basics

    DAS MTIF to and disconnect it from a SUT. Product Description The DAS MTIF has four parts: one DAS MTIF adapter and three DAS MTIF probes. Connectors on one side of the adapter accommodate four 92AC96 cables. The connectors on the other side of the adapter accommodate the probes.

  • Page 11: Connecting The Das Mtif To The Sut

    These procedures are the same for the straddle-mounted connector. Direct Connection To connect the DAS MTIF to a Mictor connector in your SUT (or on a TMS probe adapter), follow these steps: 1. Line up the pin 1 indicator on the probe tip with pin 1 on the connector in your SUT.

  • Page 12: Figure 2: Connecting To A Surface-Mounted Or Straddle-Mounted Connector

    6. When connected, push down the latch releases on the probe to set the latch. 7. Connect the 92A96 cables. Match the label colors on the 92A96 cables to the colors printed on the adapter. The cable connectors are keyed. DAS MTIF Instructions...

  • Page 13: Low-Profile Extender Connection

    2. Position the low-profile end perpendicular to the connector and gently connect the extender as shown in Figure 3. 3. To connect the DAS MTIF probe to the other end of the extender, follow steps 1 through 3 in the Direct Connection procedure on page 2.

  • Page 14: Disconnecting The Das Mtif Probe From The Sut

    Operating Basics Disconnecting the DAS MTIF Probe from the SUT DAS MTIF To disconnect the probe, follow these steps: 1. Gently pull the latch release grip to release the probe tip from the latch housing as shown in Figure 4.

  • Page 15: Designing An Interface Between A Das Mtif And A Sut

    Loading and equivalent circuits Probe channel assignments Mictor Connectors and Latch Housings The DAS MTIF probe contains a 38-pin Mictor connector. Table 1 lists Mictor connectors you can purchase from AMP, Inc. that are compatible with the probe. Table 1: Compatible Mictor connectors...

  • Page 16: Dimensions And Placement Of Compatible Mictor Connectors

    The placement of Mictor connectors depends on whether you plan to connect the DAS MTIF directly to the SUT or use the Low-Profile Extender with the probe. Direct Connection Figure 5 shows the dimensions and minimum placement of surface-mounted connectors on a SUT.

  • Page 17: Mechanical Layout And Pinout Of Compatible Mictor Connectors

    Designing an Interface Between a DAS MTIF and a SUT Mechanical Layout and Pinout of Compatible Mictor Connectors Each compatible Mictor connector has 43 pins; pins 39 through 43 are grounded. Pins 1, 2, 37, and 38 are open. Figure 6 shows the positions and spacing between the pins, the keyhole, and the latch housing mounting holes of a surface-mounted connector.

  • Page 18: Figure 7: Straddle-Mounted Connector Layout (Component Side)

    Designing an Interface Between a DAS MTIF and a SUT 19X 0.43 mm " 5X .99 mm dia. 19X Contact pads (.017 in) (.039 .003) both sides Plated through 18X 0.64 mm " 2X 1.35 mm dia. (.025 in) (.053 .003)

  • Page 19: Pin 1 Indicator

    1 when connecting the DAS MTIF probe. Loading and Equivalent Circuits The load presented to the SUT by the DAS MTIF is low. The load is equivalent to a 10 pF capacitance with 100 k resistance returned to a +3.1 V supply.

  • Page 20: Figure 9: Equivalent Circuit For The Das Mtif

    The extender is useful in a SUT where signal risetimes are greater than one or two nanoseconds. Faster risetimes cause transmission line reflections on signals. Figure 10 shows the equivalent circuit for the DAS MTIF with a Low-Profile Extender. DAS MTIF Instructions...

  • Page 21: Das Mtif Channel Assignments

    Length = 10 inches Length = 60 inches 3.1V Figure 10: Equivalent circuit for the DAS MTIF with a Low-Profile Extender DAS MTIF Channel Assignments The 100 channels to which the 92A96 cables connect on the logic analyzer cannot be changed. When mapping signals from your SUT to channels on the logic analyzer, you must keep the probe section and clock channels together for the A, C and D DAS MTIF probes.

  • Page 22: Table 4: Pin 1 Side Das Mtif Probe Channel Assignments

    Designing an Interface Between a DAS MTIF and a SUT Table 4: Pin 1 side DAS MTIF probe channel assignments Section and channel Probe pin be i number A probe C probe D probe CLK:0 CLK:3 Not connected A3:7 C3:7...

  • Page 23: Table 5: Pin 38 Side Das Mtif Probe Channel Assignments

    Designing an Interface Between a DAS MTIF and a SUT Table 5: Pin 38 side DAS MTIF probe channel assignments Section and channel Probe pin be i number A probe C probe D probe CLK:1 Not connected CLK:2 A1:7 C1:7...
  • Page 24 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 25: Service Information

    Applying labels Functional verification procedure Maintenance The DAS MTIF does not require scheduled or periodic maintenance. To maintain good electrical contact, keep the product free of dirt, dust, and contaminants. Also, ensure that any electrically conductive contaminants are removed. Dirt and dust can usually be removed with a soft brush. For more extensive cleaning, use only a damp cloth.

  • Page 26: Circuit Description

    The DAS MTIF maps the 100 channels of the 92A96 acquisition module to the three DAS MTIF probes. The A probe contains 32 channels for the A3, A2, A1 and A0 probe sections plus the CK:1 and CK:0 clock channels. The C probe contains 32 channels for the C3, C2, C1 and C0 probe sections plus the CK:3 clock channel.

  • Page 27: Figure 11: Vertical Dimension Of The Das Mtif Probe

    Designed to meet Tektronix standard 062-2847-00 class 5. Not to exceed SUT thermal considerations. Forced air cooling might be required across the CPU. Table 8 shows the certifications and compliances that apply to the DAS MTIF. Table 8: Certifications and compliances EC Compliance There are no current European Directives that apply to this product.

  • Page 28: Disassembling The Das Mtif

    To replace damaged mechanical parts, you will need to disassemble the DAS MTIF probe or the DAS MTIF adapter. If the DAS MTIF probe cable has been damaged or if there is an electrical fault, the cable must be replaced.

  • Page 29: Figure 13: Disassembling The Latch Release Grip

    Latch release grip Figure 13: Disassembling the latch release grip DAS MTIF Adapter You can only disassemble the insulator and plastic standoffs from the DAS MTIF Adapter board. You can replace a latch housing on the board by desoldering the damaged housing and replacing it with a new housing.

  • Page 30: Figure 14: Reattaching The Latch Releases And Case Halves

    1. Place the latch release cords into the latch releases as shown in Figure 15. 2. Push the latch release downward to force the latch release cord to snap through the slot and into the small hole. DAS MTIF Instructions...

  • Page 31: Figure 15: Reattaching The Latch Release Cords To The Latch

    DAS MTIF Adapter To reassemble the DAS MTIF adapter, follow these steps: 1. Insert the permanent lock end of the plastic standoffs into the adapter board. 2. Install the insulator onto the releasable end of the plastic standoffs.

  • Page 32: Figure 17: Applying New Labels

    Service Information Labels You might need to apply new labels after repairing a DAS MTIF probe. Table 9 shows the channel combinations and label colors for the probe tips. Table 9: Probe tip channel sections and label colors Probe Pin 1 side...

  • Page 33: Figure 18: Jumper And Connector Locations On The Test Fixture

    Refer to the user manual for the module for installation information. To perform the functional verification procedure, follow these steps: 1. Connect the 92A96 cables to the logic analyzer and to the DAS MTIF. 2. Connect the interface ends of the DAS MTIF probes to the DAS MTIF adapter.
  • Page 34 15. Start acquiring data. The Control group will repeatedly display two lines of all 0s and two lines of all Fs to show activity on all the channels. 16. Repeat this procedure for additional DAS MTIFs if needed. This completes the functional verification. DAS MTIF Instructions...

  • Page 35: Replaceable Parts

    Replaceable Parts This chapter contains a list of the replaceable components for the DAS MTIF. Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available through your local Tektronix field office or representative. Changes to Tektronix products are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest improvements.
  • Page 36 Items in this section are referenced by figure and index numbers to the exploded view illustrations that follow. Tektronix part number Use this part number when ordering replacement parts from Tektronix. 3 and 4 Serial number Column three indicates the serial number at which the part was first effective. Column four indicates the serial number at which the part was discontinued.
  • Page 37 Name & description code Mfr. part number number 010–0601–00 DAS MTIF; 100 CHANNEL (DAS MTIF PROBES,3, & DAS MTIF 80009 010–0601–00 ADAPTER; SEE FIGURES 19 & 20) 19–0 118–9488–00 DAS MTIF PROBE; 34 CHANNEL; CABLE REPLACEMENT KIT 80009 118–9488–00...

  • Page 38: Figure 19: Das Mtif Probe Exploded View

    WD49E1500C12CP INPUT,12VDC 1.5A INPUT,UNREGULATED,183CM CABLE,STR CO (NOT SHOWN) *Contact your Tektronix representative for pricing of larger quantities of latch housings or Precision Interconnect as listed in the manufacturers cross index. Figure 19: DAS MTIF probe exploded view DAS MTIF Instructions...

  • Page 39: Figure 20: Das Mtif Interface Adapter Exploded View

    Name & description Mfr. part number 010–0601–00 DAS MTIF; 100 CHANNEL (DAS MTIF PROBES,3, & DAS MTIF 80009 010–0601–00 ADAPTER; SEE FIGURES 19 & 20) 20–0 118–9490–00 SERVICE KIT; ADAPTER PARTS INCLUDES: 80009 118–9490–00 –1...

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