Agilent Technologies E5382A User Manual
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Agilent Technologies E5382A User Manual

Agilent Technologies E5382A User Manual

Single-ended flying lead probe set
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A
User's Guide
Publication number E5382-97002
December 2005
For Safety information and Regulatory information, see the pages at the back of
this guide.
© Copyright Agilent Technologies 2002, 2005
All Rights Reserved.
E5382A Single-ended Flying Lead
Probe Set
(for analyzers with 90-pin pod connectors)

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  • Page 1 Publication number E5382-97002 December 2005 For Safety information and Regulatory information, see the pages at the back of this guide. © Copyright Agilent Technologies 2002, 2005 All Rights Reserved. E5382A Single-ended Flying Lead Probe Set (for analyzers with 90-pin pod connectors)
  • Page 2 In This Book This guide provides user and service information for the E5382A Single-ended Flying Lead Probe Set. Chapter 1 gives you general information such as inspection, accessories supplied, and characteristics of the probe. Chapter 2 shows you how to operate the probe and gives you information about some important aspects of probing and how to get the best results with your probe.

  • Page 3: Table Of Contents

    Contents 1 General Information To inspect the probe 7 Accessories 8 Characteristics and Specifications General Characteristics 10 To connect and set up the probe set 11 2 Operating the Probe 130 ohm Resistive Signal Pin (orange) and Solder-down Ground Lead Input Impedance 17 Time domain transmission (TDT) 18 Step inputs 21...
  • Page 4 Contents...

  • Page 5: General Information

    General Information...
  • Page 6 Four E5382As are required to support all 68 channels of one 16753/54/ 55/56A or 16950A. A variety of accessories are supplied with the E5382A to allow you to access signals on various types of components on your PC board. Single-ended flying lead probe set and an Agilent 16760A logic analysis module.

  • Page 7: To Inspect The Probe

    Technologies Sales Office. • If the shipping container is damaged, or the cushioning materials show signs of stress, notify the carrier as well as your Agilent Technologies Sales Office. Keep the shipping materials for the carrier’s inspection. The Agilent Technologies Office will arrange for repair or replacement at Agilent Technologies’...

  • Page 8: Accessories

    General Information Accessories Accessories The following figure shows the accessories supplied with the E5382A Single- ended Flying Lead Probe Set. Accessories supplied The following table shows the part numbers for ordering replacement parts and additional accessories. Replaceable Parts and Additional Accessories...

  • Page 9: Characteristics And Specifications

    General Information Characteristics and Specifications Characteristics and Specifications The following characteristics are typical for the probe set. Characteristics Input Resistance 20 kΩ Input Capacitance 1.3 pF (accessory-specific, see accessories) Maximum Recommended State 1.5 Gb/s (accessory-specific, see accessories) Data Rate Minimum Data Voltage Swing 250 mV p-p Minimum Diff.

  • Page 10: General Characteristics

    (non-condensing) at +40 °C approximately 0.69 kg Weight Refer to the figure below. Dimensions Normally only non-conductive pollution occurs. Occasionally, however, a Pollution degree 2 temporary conductivity caused by condensation must be expected. Indoor use E5382A Single-ended Flying Lead Probe Set Dimensions...

  • Page 11: To Connect And Set Up The Probe Set

    General Information To connect and set up the probe set To connect and set up the probe set Connect the single-ended probe to the logic analysis module. Two E5382As are required to support all 34 channels on one 16760A. Four E5382As are required to support all 68 channels of one 16753/54/55/56A or 16950A.
  • Page 12 General Information To connect and set up the probe set If your clock is not differential, ground the unused clock input and set the threshold to the desired level. User defined threshold Connect the flying leads to your target system. The next section in this manual shows the recommended probe configurations in the order of best performance.

  • Page 13: Operating The Probe

    Operating the Probe...
  • Page 14 Introduction The Agilent E5382A single-ended flying lead probe set comes with accessories that trade off flexibility, ease of use, and performance. Discussion and comparisons between four of the most common intended uses of the accessories are included in this section. The table on this page is an overview of the trade-offs between the various accessories.
  • Page 15 Operating the Probe Suggested Configurations and Characteristics Total Maximum lumped recommended Details Configuration Description input C state speed on page 130 Ω Resistive Signal Pin (orange) and 1.3 pF 1.5 Gb/s page 16 Solder-down Ground Lead 5 cm Resistive 1.6 pF 1.5 Gb/s page 27 Signal Lead and Solder-down...
  • Page 16 The 130 Ω resistive signal pin and solder-down ground leads are identical to the accessories for the Agilent 1156A/57A/58A series oscilloscope probes. They provide similar loading effects and characteristics. The accessories for the 1156A/57A/58A probes are compatible with the E5382A probes allowing you to interchange scope and logic analyzer leads.

  • Page 17: Input Impedance

    130 ohm Resistive Signal Pin (orange) and Solder-down Ground Lead Input Impedance The E5382A probes have an input impedance which varies with frequency, and depends on which accessories are being used. The following schematic shows the circuit model for the input impedance of the probe when using the 130 Ω...

  • Page 18: Time Domain Transmission (Tdt)

    Operating the Probe 130 ohm Resistive Signal Pin (orange) and Solder-down Ground Lead Time domain transmission (TDT) All probes have a loading effect on the circuit when they come in contact with the circuit. Time domain transmission (TDT) measurements are useful for understanding the probe loading effects as seen at the target receiver.
  • Page 19 Operating the Probe 130 ohm Resistive Signal Pin (orange) and Solder-down Ground Lead without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 100 ps rise time without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 250 ps rise time...
  • Page 20 Operating the Probe 130 ohm Resistive Signal Pin (orange) and Solder-down Ground Lead without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 500 ps rise time without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 1 ns rise time...

  • Page 21: Step Inputs

    These measurements show the logic analyzer's response while using the 130 Ω resistive signal pin (orange) and solder-down ground lead configuration. Oscilloscope Logic Analyzer 2.5GHz BW w/ EyeScan incl. probe E5382A 54701A Probe Probe Driver Receiver Step Rsource output Z0=50 Ω...
  • Page 22 Operating the Probe 130 ohm Resistive Signal Pin (orange) and Solder-down Ground Lead Logic analyzer's response to a 100 ps rise time Logic analyzer's response to a 250 ps rise time Note: These measurements are not the true step response of the probes. The true step response of a probe is the output of the probe while the input is a perfect step.
  • Page 23 Operating the Probe 130 ohm Resistive Signal Pin (orange) and Solder-down Ground Lead Logic analyzer's response to a 500 ps rise time Logic analyzer's response to a 1 ns rise time Note: These measurements are not the true step response of the probes. The true step response of a probe is the output of the probe while the input is a perfect step.

  • Page 24: Eye Opening

    −1 pseudo random bit sequence (PRBS). These measurements show the remaining eye opening at the logic analyzer while using the 130 Ω resistive signal pin (orange) and solder-down ground lead configuration. Logic Analyzer w/ EyeScan E5382A Probe Driver Receiver PRBS Rsource output Z0=50 Ω...
  • Page 25 Operating the Probe 130 ohm Resistive Signal Pin (orange) and Solder-down Ground Lead 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 1000 Mb/s data rate 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 1250 Mb/s data rate...
  • Page 26 Operating the Probe 130 ohm Resistive Signal Pin (orange) and Solder-down Ground Lead 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 1500 Mb/s data rate 500 ps per division Logic analyzer eye opening for a PRBS signal of 250 mV, 1250 Mb/s data rate...

  • Page 27: Cm Resistive Signal Lead And Solder-Down Ground Lead

    The 5cm resistive signal lead and the solder-down ground leads are identical to the accessories for the Agilent 1156A/57A/58A oscilloscope probes. They provide similar loading effects and characteristics. The accessories for the 1156A/57A/ 58A oscilloscope probes are compatible with the E5382A probes, allowing you to interchange scope and logic analyzer leads.

  • Page 28: Input Impedance

    5 cm Resistive Signal Lead and Solder-down Ground Lead Input Impedance The E5382A probes have an input impedance which varies with frequency, and depends on which accessories are being used. The following schematic shows the circuit model for the input impedance of the probe when using the SMT solder-down Signal (red) and Ground (black) wires.
  • Page 29 Operating the Probe 5 cm Resistive Signal Lead and Solder-down Ground Lead Other signal lead lengths may be used with these probes but a resistance value needs to be determined from the following figure and a resistor of that value needs to be placed as close as possible to the point being probed.

  • Page 30: Time Domain Transmission (Tdt)

    Operating the Probe 5 cm Resistive Signal Lead and Solder-down Ground Lead Time domain transmission (TDT) All probes have a loading effect on the circuit when they come in contact with the circuit. Time domain transmission (TDT) measurements are useful for understanding the probe loading effects as seen at the target receiver.
  • Page 31 Operating the Probe 5 cm Resistive Signal Lead and Solder-down Ground Lead without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 100 ps rise time without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 250 ps rise time...
  • Page 32 Operating the Probe 5 cm Resistive Signal Lead and Solder-down Ground Lead without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 500 ps rise time without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 1 ns rise time...

  • Page 33: Step Input

    50 Ω transmission line load terminated at the receiver. These measurements show the logic analyzer's response while using the 5 cm resistive signal lead and solder-down ground lead configuration. Oscilloscope Logic Analyzer 2.5GHz BW w/ EyeScan incl. probe E5382A 54701A Probe Probe Driver Receiver Step Rsource output Z0=50 Ω...
  • Page 34 Operating the Probe 5 cm Resistive Signal Lead and Solder-down Ground Lead Logic analyzer's response to a 100 ps rise time Logic analyzer's response to a 250 ps rise time Note: These measurements are not the true step response of the probes. The true step response of a probe is the output of the probe while the input is a perfect step.
  • Page 35 Operating the Probe 5 cm Resistive Signal Lead and Solder-down Ground Lead Logic analyzer's response to a 500 ps rise time Logic analyzer's response to a 1 ns rise time Note: These measurements are not the true step response of the probes. The true step response of a probe is the output of the probe while the input is a perfect step.

  • Page 36: Eye Opening

    −1 pseudo random bit sequence (PRBS). These measurements show the remaining eye opening at the logic analyzer while using the 5cm resistive signal lead and solder-down ground lead configuration. Logic Analyzer w/ EyeScan E5382A Probe Driver Receiver PRBS Rsource output Z0=50 Ω...
  • Page 37 Operating the Probe 5 cm Resistive Signal Lead and Solder-down Ground Lead 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 100 Mb/s data rate 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 1250 Mb/s data rate...
  • Page 38 Operating the Probe 5 cm Resistive Signal Lead and Solder-down Ground Lead 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 1500 Mb/s data rate 500 ps per division Logic analyzer eye opening for a PRBS signal of 250 mV p-p, 1250 Mb/s data rate...

  • Page 39: Flying Lead And Ground Extender

    Operating the Probe Flying Lead and Ground Extender Flying Lead and Ground Extender This configuration is recommended when you can provide 0.635 mm (0.025 in.) square or round pins on 2.54 mm (0.1 in.) centers as test points where you wish to connect the probe.

  • Page 40: Input Impedance

    Flying Lead and Ground Extender Input Impedance The E5382A probes have an input impedance which varies with frequency, and depends on which accessories are being used. The following schematic shows the circuit model for the input impedance of the probe when using the ground extender clip.

  • Page 41: Time Domain Transmission (Tdt)

    Operating the Probe Flying Lead and Ground Extender Time domain transmission (TDT) All probes have a loading effect on the circuit when they come in contact with the circuit. Time domain transmission (TDT) measurements are useful for understanding the probe loading effects as seen at the target receiver. The following TDT measurements were made mid-bus on a 50 Ω...
  • Page 42 Operating the Probe Flying Lead and Ground Extender without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 100 ps rise time without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 250 ps rise time...
  • Page 43 Operating the Probe Flying Lead and Ground Extender without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 500 ps rise time without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 1 ns rise time...

  • Page 44: Step Input

    50 Ω transmission line load terminated at the receiver. These measurements show the logic analyzer's response while using the flying lead and ground extender configuration. Oscilloscope Logic Analyzer 2.5GHz BW w/ EyeScan incl. probe E5382A 54701A Probe Probe Driver Receiver Step Rsource output Z0=50 Ω...
  • Page 45 Operating the Probe Flying Lead and Ground Extender Logic analyzer's response to a 100 ps rise time Logic analyzer's response to a 250 ps rise time Note: These measurements are not the true step response of the probes. The true step response of a probe is the output of the probe while the input is a perfect step.
  • Page 46 Operating the Probe Flying Lead and Ground Extender Logic analyzer's response to a 500 ps rise time Logic analyzer's response to a 1 ns rise time Note: These measurements are not the true step response of the probes. The true step response of a probe is the output of the probe while the input is a perfect step.

  • Page 47: Eye Opening

    The data patterns were generated using a −1 pseudo random bit sequence (PRBS). These measurements show the remaining eye opening at the logic analyzer while using the flying lead and ground extender configuration. Logic Analyzer w/ EyeScan E5382A Probe Driver Receiver PRBS Rsource output Z0=50 Ω...
  • Page 48 Operating the Probe Flying Lead and Ground Extender 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 1000 Mb/s data rate 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 1250 Mb/s data rate...
  • Page 49 Operating the Probe Flying Lead and Ground Extender 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 1500 Mb/s data rate 500 ps per division Logic analyzer eye opening for a PRBS signal of 250 mV p-p, 1500 Mb/s data rate...

  • Page 50: Grabber Clip And Right-Angle Ground Lead

    Operating the Probe Grabber Clip and Right-angle Ground Lead Grabber Clip and Right-angle Ground Lead Using the grabber clip for the signal and the right-angle for the ground gives you the greatest flexibility for attaching the probe to component leads, however as you can see from the following information, the signal quality is compromised the most severely by this configuration.

  • Page 51: Input Impedance

    Grabber Clip and Right-angle Ground Lead Input Impedance The E5382A probes have an input impedance which varies with frequency, and depends on which accessories are being used. The following schematic shows the circuit model for the input impedance of the probe when using the SMD IC grabber and the right-angle ground lead.

  • Page 52: Time Domain Transmission (Tdt)

    Operating the Probe Grabber Clip and Right-angle Ground Lead Time domain transmission (TDT) All probes have a loading effect on the circuit when they come in contact with the circuit. Time domain transmission (TDT) measurements are useful for understanding the probe loading effects as seen at the target receiver. The following TDT measurements were made mid-bus on a 50 Ω...
  • Page 53 Operating the Probe Grabber Clip and Right-angle Ground Lead without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 100 ps rise time without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 250 ps rise time...
  • Page 54 Operating the Probe Grabber Clip and Right-angle Ground Lead without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 500 ps rise time without probe with probe 500 ps per division TDT measurement at receiver with and without probe load for 1 ns rise time...

  • Page 55: Step Input

    50 Ω transmission line load terminated at the receiver. These measurements show the logic analyzer's response while using the grabber clip and right-angle ground lead configuration. Oscilloscope Logic Analyzer 2.5GHz BW w/ EyeScan incl. probe E5382A 54701A Probe Probe Driver Receiver Step Rsource output Z0=50 Ω...
  • Page 56 Operating the Probe Grabber Clip and Right-angle Ground Lead Logic analyzer's response to a 100 ps rise time Logic analyzer's response to a 250 ps rise time Note: These measurements are not the true step response of the probes. The true step response of a probe is the output of the probe while the input is a perfect step.
  • Page 57 Operating the Probe Grabber Clip and Right-angle Ground Lead Logic analyzer's response to a 500 ps rise time Logic analyzer's response to a 1 ns rise time Note: These measurements are not the true step response of the probes. The true step response of a probe is the output of the probe while the input is a perfect step.

  • Page 58: Eye Opening

    The data patterns were generated using a −1 pseudo random bit sequence (PRBS). These measurements show the remaining eye opening at the logic analyzer while using the grabber clip and right- angle ground lead configuration. Logic Analyzer w/ EyeScan E5382A Probe Driver Receiver PRBS Rsource output Z0=50 Ω...
  • Page 59 Operating the Probe Grabber Clip and Right-angle Ground Lead 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 500 Mb/s data rate, 1 ns rise time 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 500 Mb/s data rate, 500 ps rise time...
  • Page 60 Operating the Probe Grabber Clip and Right-angle Ground Lead 500 ps per division Logic analyzer eye opening for a PRBS signal of 1 V p-p, 600 Mb/s data rate, 1 ns rise time 500 ps per division Logic analyzer eye opening for a PRBS signal of 250 mV, 600 Mb/s data rate, 1 ns rise time...

  • Page 61: Connecting To Coaxial Connectors

    Operating the Probe Connecting to coaxial connectors Connecting to coaxial connectors You can use the Agilent E9638A to adapt the probe tip to a BNC connector. The adapter and the BNC connector itself will add significant capacitance to the probe load. You can generally assume (though not always) that a BNC connector is intended to form a part of a transmission line terminated in 50 Ω...
  • Page 62 Operating the Probe Connecting to coaxial connectors Probe Tip E9638A Probe Tip to BNC Adapter BNC 50 Feedthrough Ω Termination Adapter BNC to SMA, SMB, SMC or other Coaxial Adapter SMA, SMB, SMC or other Coaxial Connector SMA, SMB, SMC, or other coaxial connectors...

  • Page 63: Combining Grounds

    Operating the Probe Combining grounds Combining grounds It is essential to ground every tip that is in use. For best performance at high speeds, every tip should be grounded individually to ground in the system under test. For convenience in connecting grounds, you can use the ground connector, Agilent part number 16515-27601, to combine four probe tip grounds to connect to one ground point in the system under test.
  • Page 64 Operating the Probe Combining grounds...
  • Page 65 Index accessories general characteristics 10 additional 8 grabber clip 15, 50 supplied 8 ground extender 15, 39 lead 16 right angle 15, 50 Berg strip 39, 50 solder down 15, 16, 27 BNC adapter 8 hand-held probing 16 channels 6 characteristics of probe 9, 10 of suggested configurations 15...
  • Page 66 replaceable parts 8 resistive signal lead, 5 cm 15, 27 pin, 130 ohm 15, 16 setting up the probe & logic analyzer 11 SMA,SMB,SMC connectors 62 solder-down ground 16, 27 specifications 9 state data rate 9 step input 21, 33, 44, 55 suggested configurations 15 surface-mount probing 27 TDT 18, 30, 41, 52...
  • Page 67 (2) Clean the exter- fuseholders. To do so nal surfaces of the could cause a shock or instrument with a soft fire hazard. Agilent Technologies P.O. Box 2197 1900 Garden of the Gods Road Colorado Springs, CO 80901...
  • Page 68 Acknowledgements users will receive no be used or copied only in greater than Limited accordance with the © Agilent Technologies, Rights as defined in FAR terms of such license. Inc. 2002, 2005 52.227-14 (June 1987) or No part of this manual DFAR 252.227-7015 (b)(2)

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