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Agilent Technologies 85056A User's And Service Manual

2.4 mm precision calibration kit
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User's and Service Guide
Agilent Technologies 85056A
2.4 mm Precision Calibration Kit
Agilent Part Number: 85056-90020
Printed in USA
Print Date: May 2012
Supersedes: August 2010
© Copyright 1996, 2000, 2002, 2004, 2009-2010, 2012
Agilent Technologies, Inc. All rights reserved.

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  • Page 1 User’s and Service Guide Agilent Technologies 85056A 2.4 mm Precision Calibration Kit Agilent Part Number: 85056-90020 Printed in USA Print Date: May 2012 Supersedes: August 2010 © Copyright 1996, 2000, 2002, 2004, 2009-2010, 2012 Agilent Technologies, Inc. All rights reserved.
  • Page 2 FAR 52.227-19 (June 1987) or any equivalent agency regulation or contract clause. Use, duplication or disclosure of Software is subject to Agilent Technologies’ standard commercial license terms, and non-DOD Departments and Agencies of the U.S. Government will receive no greater than Restricted Rights as defined in FAR 52.227-19(c)(1-2) (June 1987).
  • Page 3 • Go to www.agilent.com. • Enter the document’s part number (located on the title page) in the Search box. • Click Search. • Click on the hyperlink for the document. • Click the printer icon located in the tool bar. 85056A...
  • Page 4 85056A...

  • Page 5: Table Of Contents

    Handling and Storage ................3-19 85056A...
  • Page 6 A. Standard Definitions Class Assignments and Standard Definitions Values are Available on the Web......A-2 85056A...

  • Page 7: General Information

    General Information 1- 1...

  • Page 8: Calibration Kit Overview

    General Information Calibration Kit Overview Calibration Kit Overview The Agilent 85056A 2.4 mm calibration kit is used to calibrate Agilent network analyzers up to 50 GHz for measurements of components with 2.4 mm connectors. Kit Contents The 85056A calibration kit includes the following items: •...

  • Page 9: Sliding Loads

    Definitions Web page at www.na.tm.agilent.com/pna/caldefs/stddefs.html Equipment Required but Not Supplied Some items are not supplied with the calibration kit but are required to ensure successful operation of the kit. Refer to Table 6-2 on page 6-3 for ordering information. 85056A...

  • Page 10: Incoming Inspection

    • the name of a technical contact person within your company, and the person's complete phone number • the model number and serial number of the kit • the part number and serial number of the device • the type of service required • a detailed description of the problem 1- 4 85056A...

  • Page 11: Recording The Device Serial Numbers

    1-1. Recording the serial numbers will prevent confusing the devices in this kit with similar devices from other kits. The adapters included in the kit are for measurement convenience only and are not serialized. Table 1-1 Serial Number Record for the 85056A Device Serial Number...

  • Page 12: Precision Slotless Connectors

    With PSCs on test ports and standards, the percentage of accuracy achieved when measuring at 50 dB return loss levels is comparable to using conventional slotted connectors measuring devices having only 30 dB return loss. This represents an accuracy improvement of about 10 times. 1- 6 85056A...

  • Page 13: Clarifying The Terminology Of A Connector Interface

    This means that changes to the uncorrected leakages (directivity and isolation), mismatches (source match and load match), and frequency response of the system are small (<10%) relative to accuracy specifications. Change in the environment (especially temperature) between calibration and measurement is the major 85056A...
  • Page 14 Periodically remeasure the device and note any changes in its corrected response which can be attributed to the test system. With experience you will be able to see changes in the reference responses that indicate a need to perform the measurement calibration again. 1- 8 85056A...

  • Page 15: Specifications

    Specifications...

  • Page 16: Environmental Requirements

    During a measurement calibration, the temperature of the calibration devices must be stable and within the range shown in  Table 2-1. IMPORTANT Avoid unnecessary handling of the devices during calibration because your fingers are a heat source. 85056A...

  • Page 17: Mechanical Characteristics

    They are, however, important supplemental characteristics related to electrical performance. Agilent Technologies verifies the mechanical characteristics of the devices in the kit with special gaging processes and electrical testing. This ensures that the device connectors do not exhibit any center conductor protrusion or improper pin depth when the kit leaves the factory.
  • Page 18 Approximately +2 sigma to 2 sigma of gage uncertainty based on studies done at the factory according to recommended procedures. b. Observed pin depth limits are the range of observation limits seen on the gage reading due to measurement uncertainty. The depth could still be within specifications. 85056A...

  • Page 19: Electrical Specifications

    Electrical Specifications The electrical specifications in Table 2-3 apply to the devices in your calibration kit when connected with an Agilent precision interface. Table 2-3 Electrical Specifications for 85056A 2.4 mm Devices Device Specification Frequency (GHz) Return loss 42d 0.00794) dc to ...

  • Page 20: Certification

    Certification Agilent Technologies certifies that this product met its published specifications at the time of shipment from the factory. Agilent further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology (NIST) to the extent allowed by the institute’s calibration facility, and to the calibration facilities of other International Standards Organization members.
  • Page 21 Use, Maintenance, and Care of the Devices...

  • Page 22: Use, Maintenance, And Care Of The Devices Electrostatic Discharge

    4. Remove the short from the cable. Figure 3-1 shows a typical ESD protection setup using a grounded mat and wrist strap. Refer to Chapter 6 , “Replaceable Parts,” for ordering information on ESD supplies. Figure 3-1 ESD Protection Setup 85056A...

  • Page 23: Visual Inspection

    If a connector shows deep scratches or dents, particles clinging to the mating plane surfaces, or uneven wear, clean and inspect it again. Devices with damaged connectors should be discarded. Determine the cause of damage before connecting a new, undamaged connector in the same configuration. 85056A...

  • Page 24: Inspect Female Connectors

    (60 psi) to control the velocity of the air stream. High-velocity streams of compressed air can cause electrostatic effects when directed into a connector. These electrostatic effects can damage the device. Refer to “Electrostatic Discharge” on page 3-2 earlier in this chapter for additional information. 85056A...
  • Page 25 Let the alcohol evaporate, then blow the connector dry with a gentle stream of clean, low-pressure compressed air or nitrogen. Always completely dry a connector before you reassemble or use it. 4. Inspect Inspect the connector to make sure that no particles or residue remain. Refer to “Visual Inspection” on page 3-3. 85056A...

  • Page 26: Gaging Connectors

    When measuring pin depth, the measured value (resultant average of three or more measurements) contains measurement uncertainty and is not necessarily the true value. Always compare the measured value with the observed pin depth limits (which account for measurement uncertainties) in Table 2-2 to evaluate the condition of device connectors. 85056A...

  • Page 27: When To Gage Connectors

    (due to wear or damage, for example). • If a calibration device is used by someone else or on another system or piece of equipment. • Initially after every 100 connections, and after that as often as experience indicates. 85056A...

  • Page 28: Gaging Procedures

    After each measurement, rotate the gage a quarter-turn to reduce measurement variations that result from the gage or the connector face not being exactly perpendicular to the center axis. e. Compare the average reading with the observed pin depth limits in Table 2-2 on page 2-4. 85056A...
  • Page 29 Use, Maintenance, and Care of the Devices Gaging Connectors Figure 3-2 Gaging 2.4 mm Connectors 85056A...

  • Page 30: Gaging The 2.4 Mm Sliding Loads

    The sliding load center conductor can be damaged if the sliding load is not in alignment with the mating connector while making the connection. d. Keep the center conductor extended by holding the center conductor pullback mechanism toward the 3-10 85056A...
  • Page 31 Table 2-2 on page 2-4. If the pin depth is outside the limits, it must be adjusted before proceeding. Refer to “Adjusting the Sliding Load Pin Depth” on page 3-12. Figure 3-3 Gaging the 2.4 mm Sliding Loads 85056A 3-11...

  • Page 32: Adjusting The Sliding Load Pin Depth

    6. Note the gage reading. If it is no longer within the allowable range, perform step 4 again. 7. Move the center conductor pullback handle to the unlocked position and then back to the locked 3-12 85056A...
  • Page 33 The gage reading should return to the value previously set. If not, repeat steps 4 through 7. 8. Return to “Gaging the 2.4 mm Sliding Loads” on page 3-10. Figure 3-4 Adjusting the Sliding Load Pin Depth 85056A 3-13...

  • Page 34: Connections

    Table 3-1 Torque Wrench Information Connector Type Torque Setting Torque Tolerance 9.0 N-cm (0.8 in-lb) 2.4 mm 90 N-cm (8 in-lb) Using a torque wrench guarantees that the connection is not too tight, preventing possible connector 3-14 85056A...
  • Page 35 4. Tighten the connection just to the torque wrench break point. The wrench handle gives way at its internal pivot point. See Figure 3-6 on page 3-15. Do not tighten the connection further. 85056A 3-15...

  • Page 36: Connecting The Sliding Load

    Always move the center conductor pullback mechanism back before locking the handle. Do not force the handle past the locked position. 7. Move the center conductor pullback mechanism back (away from the connector end of the sliding load), and place the pullback handle in its locked position. 3-16 85056A...

  • Page 37: How To Separate A Connection

    1. Use an open-end wrench to prevent the device body from turning. 2. Use another open-end wrench to loosen the connecting nut. 3. Complete the separation by hand, turning only the connecting nut. 4. Pull the connectors straight apart without twisting, rocking, or bending either of the connectors. 85056A 3-17...

  • Page 38: Using The Sliding Load

    2. Enter your VNA model number (Ex: 8753ES) in the Search box and click Search. 3. Under the heading Manuals & Guides, click on the title/hyperlink for the document PDF you want to view. If you need additional information, see "Troubleshooting" on page 5-1. 3-18 85056A...

  • Page 39: Handling And Storage

    • Do not store connectors loose in a box, or in a desk or bench drawer. This is the most common cause of connector damage during storage. 85056A 3-19...
  • Page 40 Use, Maintenance, and Care of the Devices Handling and Storage 3-20 85056A...

  • Page 41: Performance Verification

    Performance Verification...

  • Page 42: Introduction

    Introduction Introduction The performance of your calibration kit can only be verified by returning the kit to Agilent Technologies for recertification. The equipment required to verify the specifications of the devices in the kit has been specially manufactured and is not commercially available.

  • Page 43: Recertification

    • a certificate of calibration • a calibration report for each device in the kit listing measured values, specifications, and uncertainties Agilent Technologies may offer several different options of calibration standards compliance for your kit. For more information, contact Agilent Technologies. See “Contacting Agilent”...
  • Page 44 Performance Verification Recertification 85056A...

  • Page 45: Troubleshooting

    Troubleshooting...

  • Page 46: Troubleshooting Process

    Troubleshooting Troubleshooting Process Troubleshooting Process If you suspect a bad calibration, or if your network analyzer does not pass performance verification, follow the steps in Figure 5-1. Figure 5-1 Troubleshooting Flowchart 85056A...

  • Page 47: Where To Look For More Information

    5-4. Returning a Kit or Device to Agilent If your kit or device requires service, contact Agilent Technologies for information on where to send it. See “Contacting Agilent” on page 5-4. Include a service tag (located near the end of this manual) on which you provide the following information: •...

  • Page 48: Contacting Agilent

    If you do not have access to the Internet, please contact your Agilent field engineer. NOTE In any correspondence or telephone conversation, refer to the Agilent product by its model number and full serial number. With this information, the Agilent representative can determine whether your product is still within its warranty period. 85056A...

  • Page 49: Replaceable Parts

    Replaceable Parts...

  • Page 50: Introduction

    Replaceable Parts Introduction Introduction Table 6-1 lists the replacement part numbers for items included in the 85056A calibration kit and Figure 6-1 Figure 6-2 illustrate each of these items. Table 6-2 lists the replacement part numbers for items not included in the calibration kit that are either required or recommended for successful operation of the kit.
  • Page 51 Replaceable Parts Introduction Table 6-1 Replaceable Parts for the 85056A Calibration Kit Description Qty per Agilent Part Number Foam pad (for lower case) 85056-80009 Wrenches 5/16 in, 90 N-cm (8 in-lb) torque wrench 8710-1765 7 mm open-end wrench 8710-1761 Miscellaneous Items 85056-90020 User’s and service guide...
  • Page 52 Replaceable Parts Introduction Figure 6-1 Replaceable Parts for the 85056A Calibration Kit 85056A...
  • Page 53 Replaceable Parts Introduction Figure 6-2 Replaceable Parts for the 85056A Calibration Kit 85056A...
  • Page 54 Replaceable Parts Introduction 85056A...

  • Page 55: Standard Definitions

    Standard Definitions...

  • Page 56: Class Assignments And Standard Definitions Values Are Available On The Web

    To download a free copy, go to www.agilent.com and enter literature number 5989-4840EN in the Search window. 85056A...
  • Page 57 Agilent Application Note regulations constants, calibration, See calibration contents requirements definitions drawing of specifications contacting Agilent Technologies modifying definition files equipment required contents overview calibration kit performance antistatic mat drawing of how Agilent verifies part number...
  • Page 58 Agilent part numbers return loss offsets limits specifications open-end wrench 3-17 pin depth 7-mm loads part number broadband Index-2 85056A...
  • Page 59 3-19 wrench storage case 7 mm open-end part number part number strap open-end 3-15 3-17 heel and wrist proper positioning of 3-15 part number torque 3-14 3-15 supplies, cleaning part number part number precautions for use of 3-15 85056A Index-3...

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