Keysight Technologies U4205A User Manual
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Keysight Technologies U4205A User Manual

Keysight Technologies U4205A User Manual

Direct connect 34-channel mictor probe
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Keysight U4205A Direct Connect
34-Channel Mictor Probe
User Guide

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Summary of Contents for Keysight Technologies U4205A

  • Page 1 Keysight U4205A Direct Connect 34-Channel Mictor Probe User Guide...
  • Page 2 Keysight U4205A Direct Connect 34-Channel Mictor Probe...

  • Page 3: Safety Notices

    FURNISHING, USE, OR PERFORMANCE OF THIS DOCUMENT OR ANY INFORMATION CONTAINED HEREIN. SHOULD KEYSIGHT AND THE USER HAVE A SEPARATE WRITTEN AGREEMENT WITH WARRANTY TERMS COVERING THE MATERIAL IN THIS DOCUMENT THAT CONFLICT WITH THESE Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 4 Keysight U4205A Direct Connect 34-Channel Mictor Probe...

  • Page 5: Table Of Contents

    Contents 1 U4205A Overview U4205A - At a Glance The U4205A 34-channel 38-pin Single-ended Mictor Probe: Introduction to U4205A Use Descriptions of U4205A direct connect probe Number of probes required Maximum state speed supported The U4205A 34-Channel 38-pin Single-Ended Mictor Probe...
  • Page 6 High-speed Digital Design Designing High-speed Target Systems for Logic Analyzer Probing 6 Connectors and Shrouds Ordering Probing Connectors and Shrouds 7 Safety Information Safety Symbols Informations relatives à la sécurité Symboles de sécurité: Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 7 Keysight U4205A Direct Connect 34-Channel Mictor Probe User Guide U4205A Overview U4205A - At a Glance / 8 Introduction to U4205A Use / 9 The U4205A 34-Channel 38-pin Single-Ended Mictor Probe / 10 This chapter describes features and specifications of U4205A 34-channel single-ended Mictor probe.

  • Page 8: U4205A - At A Glance

    U4205A Overview U4205A - At a Glance The U4205A is a 34-channel single-ended Mictor probe which is compatible with the 160-pin interface on logic analyzers including the Keysight 16850-series portable logic analyzers and U4154A logic analysis AXIe-based modules. For more information on Keysight logic analyzers, refer to http://www.keysight.com/find/logicanalyzer.

  • Page 9: Introduction To U4205A Use

    U4205A Overview Introduction to U4205A Use This chapter provides information to help you utilize the U4205A. Tables in this chapter show you the number of probes required and the maximum state speed supported depending on which logic analyzer you have.

  • Page 10: The U4205A 34-Channel 38-Pin Single-Ended Mictor Probe

    U4205A Overview The U4205A 34-Channel 38-pin Single-Ended Mictor Probe The U4205A is a direct connect, 34- channel, single- ended, 38- pin probe designed to be compatible with the AMP MICTOR 38- pin connector. It is pin- compatible with target systems that were designed for the Keysight...
  • Page 11 Probe Dimensions / 13 MICTOR Connector Dimensions / 14 Support Shroud Dimensions / 15 Footprint Dimensions / 16 U4205A 38-pin single-ended probe pin out table / 17 This chapter describes mechanical considerations and dimensions of U4205A 34-channel single-ended Mictor probe.

  • Page 12: Characteristics

    Electrical considerations such as equivalent probe loads, input impedance, and time domain transmission are shown in chapters 3 and 4 of this manual. Other characteristics are dependent on the logic analyzer module you are using. Keysight U4205A Direct Connect 34-Channel Mictor Probe...

  • Page 13: Probe Dimensions

    Mechanical Considerations Probe Dimensions The following figure shows the dimensions of the 38- pin single- ended probe. Figure 3 U4205A 38-pin single-ended probe dimensions Keysight U4205A Direct Connect 34-Channel Mictor Probe...

  • Page 14: Mictor Connector Dimensions

    Mechanical Considerations MICTOR Connector Dimensions The U4205A probe is compatible with target systems designed for the Keysight E5346A 38- pin probe. This probe requires a probe kit that contains MICTOR connectors and shrouds. Refer to page 32 for the kit part numbers.

  • Page 15: Support Shroud Dimensions

    Refer to page 32 for the kit part numbers. Bottom View Figure 5 Support shroud dimensions for the MICTOR 38-pin connector Keysight U4205A Direct Connect 34-Channel Mictor Probe...

  • Page 16: Footprint Dimensions

    Footprint Dimensions Use the following 38- pin MICTOR connector footprint and support shroud mounting hole dimensions to design your target system board. Figure 6 38-pin MICTOR connector footprint and support shroud mounting hole dimensions Keysight U4205A Direct Connect 34-Channel Mictor Probe...

  • Page 17: U4205A 38-Pin Single-Ended Probe Pin Out Table

    Mechanical Considerations U4205A 38-pin single-ended probe pin out table The following table lists the signal, Mictor pin number and the channel values of the U4205A 38-pin single-ended probe. Table 3 U4205A 38-pin single-ended probe pin out table U4205A Logic Analyzer...
  • Page 18 +5 V dc 1 Ground 3 Do not connect the following pins. They are used by the Keysight logic analyzer with an emulator or analysis probe to program or read target information. SCL 2 SDA 4 Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 19 Keysight U4205A Direct Connect 34-channel Mictor Probe User Guide Operating U4205A Probe Equivalent Probe Load / 20 This chapter describes load specifications for operating U4205A 34-channel single-ended Mictor probe.

  • Page 20: Equivalent Probe Load

    Operating U4205A Probe Equivalent Probe Load The equivalent probe load for the U4205A probe is shown in the figure below. It includes the 38- pin MICTOR connector and the target connector. The model is accurate up to 1 GHz. Figure 7...

  • Page 21: Measured Versus Modeled Input Impedance

    Operating U4205A Probe Measured versus modeled input impedance The U4205A probes have an input impedance which varies with frequency, and depends on which accessories are being used. The following graph shows the input impedance of the probe. Figure 8 Measured versus modeled input impedance...
  • Page 22 Operating U4205A Probe Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 23 Keysight U4205A Direct Connect 34-Channel Mictor Probe User Guide Circuit Board Design Transmission Line Considerations / 24 16850 Series and U4154A Data and Clock Inputs per Operating Mode / 25 Thresholds / 26 Signal Access / 27 This chapter describes design considerations for circuit board layout for...

  • Page 24: Transmission Line Considerations

    ~ 1.2 pF/cm. Therefore, the 0.28 cm stub in the previous example would have an effective capacitance equal to ~0.34 pF. This trace capacitance is in addition to the probe load model. Keysight U4205A Direct Connect 34-Channel Mictor Probe...

  • Page 25: 16850 Series And U4154A Data And Clock Inputs Per Operating Mode

    In synchronous (state) analysis mode, and in the eye scan mode, there is one NOTE clock input which must be routed to the clock input on pod 1. The clock inputs on other pods can be assigned to labels and acquired as data inputs. Keysight U4205A Direct Connect 34-Channel Mictor Probe...

  • Page 26: Thresholds

    When you use the U4205A, you adjust the logic threshold in the user interface. The clock input on the U4205A is single- ended. The clock threshold may be adjusted independent of the data.

  • Page 27: Signal Access

    Refer to “Triggering with the Keysight 16760A" (Keysight publication number 5988- 2994EN) for more details. Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 28 Circuit Board Design Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 29 Keysight U4205A Direct Connect 34-Channel Mictor Probe User Guide Recommended Reading For More Information / 30 This chapter lists the recommended reading for more information about systems and high- speed digital design.

  • Page 30: For More Information

    Prentice- Hall, 1993, ISBN 0- 13- 395724- 1 Designing High-speed Target Systems for Logic Analyzer Probing “Designing High- speed Target Systems for Logic Analyzer Probing” Keysight Technologies application note publication number 5988- 2989EN. Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 31 Keysight U4205A Direct Connect 34-Channel Mictor Probe User Guide Connectors and Shrouds Ordering Probing Connectors and Shrouds / 32 This chapter lists the Keysight part numbers of the Probes and their corresponding Targets.

  • Page 32: Ordering Probing Connectors And Shrouds

    E5346-44701 1 Support Shroud up to 1.57 mm (0.062”) E5346-44704 1 Support Shroud 1.575 to 3.175 mm (0.062 to 0.125 in.) E5346-44703 1 Support Shroud 3.175 to 4.318 mm (0.125 to 0.70 in.) Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 33 Failure to comply with these precautions or with specific warnings or operating instructions in the product manuals violates safety standards of design, manu- facture, and intended use of the instrument. Keysight Technologies assumes no liability for the customer's failure to comply with these requirements. Product manuals are provided with your instrument on CD-ROM and/or in printed form.

  • Page 34: Safety Symbols

    Earth ground terminal Protective earth ground terminal Frame or chassis ground terminal Terminal is at earth potential Equipotentiality Neutral conductor on permanently installed equipment Line conductor on permanently installed equipment On (mains supply) Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 35 Application around and removal from HAZARDOUS LIVE conductors is permitted Caution, hot surface Ionizing radiation CAT I IEC Measurement Category I CAT II Measurement Category II CAT III Measurement Category III CAT IV Measurement Category IV Keysight U4205A Direct Connect 34-Channel Mictor Probe...

  • Page 36: Informations Relatives À La Sécurité

    à la concep- tion, à la fabrication et à l'usage normal de l'instrument. Keysight Technologies ne saurait être tenu responsable du non-respect de ces consignes. Les manuels des produits sont fournis avec votre instrument sur CD-ROM et/ou en version papier.

  • Page 37: Symboles De Sécurité

    Courant alternatif. Courant continu et alternatif. Courant alternative triphasé. Borne de terre (masse). Borne de terre de protection. Borne de terre reliée au cadre ou au châssis. Borne au potentiel de la terre. Equipotentialité Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 38 Ne pas appliquer ou enlever sur des conducteurs SOUS TENSION DANGEREUSE Application ou retrait autorisés sur les conducteurs SOUS TENSION DANGEREUSE Attention, surface chaude Rayonnement ionisant CAT I Appareil de mesure de catégorie I selon la norme CEI applicable Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 39 Appareil de mesure de catégorie II selon la norme CEI applicable CAT III Appareil de mesure de catégorie III selon la norme CEI applicable CAT IV Appareil de mesure de catégorie IV selon la norme CEI applicable Keysight U4205A Direct Connect 34-Channel Mictor Probe...
  • Page 40 Keysight U4205A Direct Connect 34-Channel Mictor Probe...

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