Keysight Technologies 85052C User's And Service Manual

Keysight Technologies 85052C User's And Service Manual

3.5 mm precision calibration kit
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Keysight 85052C
3.5 mm Precision Calibration Kit
User's and Service
Guide

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Summary of Contents for Keysight Technologies 85052C

  • Page 1 Keysight 85052C 3.5 mm Precision Calibration Kit User’s and Service Guide...
  • Page 4 FAR 52.227-19 (June 1987) or any equivalent agency regulation or contract clause. Use, duplication or disclosure of Software is subject to Keysight 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 5: Table Of Contents

    Installing Precision Adapters and Adapter Anti-Rotation Clamps ........3-18 85052C...
  • Page 6 A. Standard Definitions Class Assignments and Standard Definitions Values are Available on the Web......A-2 85052C...
  • Page 7: General Information

    General Information...
  • Page 8: Calibration Kit Overview

    Calibration Kit Overview Calibration Kit Overview The Keysight 85052C 3.5 mm calibration kit is used to calibrate Keysight network analyzers up to 32 GHz for measurements of components with 3.5 mm connectors. The 85052C is designed to be used in TRL 2-Port measurement calibration as implemented in vector network analyzers.
  • Page 9: Broadband Loads

    Figure 1-1 0 to 26.5 GHz Loads — Male and Female Fixed Broadband Loads Offset Opens and Shorts The offset opens and shorts are built from parts that are machined to the current state-of-the-art in precision 85052C...
  • Page 10 Both the opens and shorts are constructed so that the pin depth can be controlled very tightly, thereby minimizing phase errors. The lengths of the offsets in the opens and shorts are designed so that the difference in phase of their reflection coefficients is approximately 180 degrees at all frequencies. 85052C...
  • Page 11: Precision Adapters

    Installation Feature The precision adapter male connector has a special feature to allow installation of the 7-32 air line. • Grasp the knurled sleeve and move the nut to its extended position by pulling on it. This is the position used for measurement of the 7-32 GH air line. 85052C...
  • Page 12: Precision Airlines

    2 to 7 GHz range. Each air line is fully specified at all frequencies within its stated range. Figure 1-6 Line Standards — 7 to 32 GHz and 2 to 7 GHz Air Lines Installed in Tools with Storage Bottles 85052C...
  • Page 13 Both are insertable. Each has a male end and a female end. The male end of the air line fits into the installation tool. Figure 1-9 Air Lines Removed from Installation Tools 85052C...
  • Page 14 2-7 Line down to the 1 GHz by simply not measuring the 0-2 Loads. If the 0-2 Loads are measured after the 2-7 Line, the 0-2 Loads data will replace data from the 2-7 Line. 85052C...
  • Page 15: Tools

    3.5-mm nuts. The large torque wrench is used for the 20-mm nuts on the precision adapters. It is included with the network analyzer. The spanner wrench is used to hold the precision adapter while using the appropriate torque wrench to tighten the connection. 85052C...
  • Page 16: 3.5 Mm Connectors

    34 GHz. Metrology grade versions of this connector are used for high performance test ports and for calibration standards. Whether the device uses SMA, SMA-compatible, or 3.5 mm, the 3.5 mm connectors used on the test ports, adapters, cables, and calibration standards provide the most accurate and repeatable solution. 1-10 85052C...
  • Page 17: Calibration Definitions

    Gages, connector cleaning supplies, test port anti-rotation clamps, and various electrostatic discharge (ESD) protection devices are not supplied with the calibration kit but are required to ensure successful operation of the kit. Refer to Table 6-2 on page 6-4 for ordering information. 85052C 1-11...
  • Page 18: Incoming Inspection

    Check for damage. The foam-lined storage case provides protection during shipping. Verify that this case and its contents are not damaged. If the case or any device appears damaged, or if the shipment is incomplete, contact Keysight Technologies. page 5-5 for contact information.
  • Page 19: 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 85052C Device Serial Number...
  • Page 20: 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. 1-14 85052C...
  • Page 21: Clarifying The Terminology Of A Connector Interface

    Improper connections, resulting from pin depth values being out of the observed limits (see Table 2-2 on page 2-4) or from bad connection techniques, can also damage these devices. 85052C 1-15...
  • Page 22: When To Calibrate

    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. 1-16 85052C...
  • Page 23: Specifications

    Specifications...
  • Page 24: 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. 85052C...
  • Page 25: Mechanical Characteristics

    They are, however, important supplemental characteristics related to electrical performance. Keysight 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 26 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. 85052C...
  • Page 27: Electrical Specifications

    Electrical Specifications The electrical specifications in Table 2-3 apply to the devices in your calibration kit when connected with a Keysight precision interface. Table 2-3 Electrical Specifications for 85052C 3.5 mm Devices Device Specification Frequency (GHz) dc to  2 Broadband loads Return loss 46d...
  • Page 28: Certification

    Electrical Specifications Certification Keysight Technologies certifies that this product met its published specifications at the time of shipment from the factory. Keysight 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 29 Use, Maintenance, and Care of the Devices...
  • Page 30: 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 Table 6-2 on page 6-4 for information on ordering supplies for ESD protection. Figure 3-1 ESD Protection Setup 85052C...
  • Page 31: Visual Inspection

    Inspect the contact fingers in the female center conductor carefully. These can be bent or broken, and damage to them is not always easy to see. A connector with damaged contact fingers will not make good electrical contact and must be replaced. 85052C...
  • Page 32: Cleaning Connectors

    You can use any source of clean, dry, low-pressure compressed air or nitrogen that has an effective oil-vapor filter and liquid condensation trap placed just before the outlet hose. 85052C...
  • Page 33 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 85052C...
  • Page 34: Gaging Connectors

    Gaging Connectors Gaging Connectors The gages available from Keysight Technologies are intended for preventive maintenance and troubleshooting purposes only. They are effective in detecting excessive center conductor protrusion or recession, and conductor damage on DUTs, test accessories, and the calibration kit devices.Do not use the gages for precise pin depth measurements.
  • Page 35: 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. 85052C...
  • Page 36: 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. 85052C...
  • Page 37 Use, Maintenance, and Care of the Devices Gaging Connectors Figure 3-3 Gaging Male 3.5 mm Connectors 85052C...
  • Page 38: Gaging Female 3.5 Mm Connectors

    Compare the average reading with the observed pin depth limits in Table 2-2 on page 2-4. 3-10 85052C...
  • Page 39 Use, Maintenance, and Care of the Devices Gaging Connectors Figure 3-4 Gaging Female 3.5 mm Connectors 85052C 3-11...
  • Page 40: Connections

    Torque Tolerance 9.0 N-cm (0.8 in-lb) 3.5 mm 90 N-cm (8 in-lb) Using a torque wrench guarantees that the connection is not too tight, preventing possible connector damage. It also guarantees that all connections are equally tight each time. 3-12 85052C...
  • Page 41 Do not hold the wrench so tightly that you push the handle straight down along its length rather than pivoting it, otherwise you apply an unknown amount of torque. 4. Tighten the connection just to the torque wrench break point. The wrench handle gives way at its 85052C 3-13...
  • Page 42: How To Separate A Connection

    • Do not set connectors contact-end down on a hard surface. The plating and the mating plane surfaces can be damaged if the interface comes in contact with any hard surface. 3-14 85052C...
  • Page 43: Configuring Port 1 And Port 2 Of The Test Setup

    The appropriate precision adapters are installed on the ends of the cables and become Port 1 and Port 2. Figure 3-7 Dual Cable Set Figure 3-8 Single Cable, Port 1 Female Configuration A Configuration B 8505_078_302 85052C 3-15...
  • Page 44 Use, Maintenance, and Care of the Devices Configuring Port 1 and Port 2 of the Test Setup Figure 3-9. Single Cable, Port 1 Male 3-16 85052C...
  • Page 45: Installing Test Port Return Cables And Test Port Anti-Rotation Clamps

    • Slide the clamp toward the port, aligning it so that the flats on the clamp mate with flats around the test port. Tighten the clamp securing screw. This clamp keeps the cable from becoming loose from the test set connector. 85052C 3-17...
  • Page 46: Installing Precision Adapters And Adapter Anti-Rotation Clamps

    The adapter anti-rotation clamp assures that the TRL adapter does not become loose during calibration and measurement. • Connect the second TRL adapter and its anti-rotation clamp to serve as Port 2. Figure 3-10 Two Cable Setup with All Components 3-18 85052C...
  • Page 47: Using Precision Airlines

    Figure 3-12 Squeeze Tool to Release, Then Pull • Examine the outer and center conductors to see that they are in place and concentric. If the center conductor is not centered, use the installation tool to align it. Figure 3-13 Check Concentricity 85052C 3-19...
  • Page 48 • Tighten finger tight, then use the spanner and torque wrenches to achieve the final torque. Figure 3-15 Connect Port 2 • To remove the 7-32 GHz air line: loosen the Port 1 nut, and then carefully move the Port 2 adapter away. Figure 3-16 Disconnect Port 2 3-20 85052C...
  • Page 49 • Squeeze the tool and push it to engage the center conductor. • Hold the tool close to the connector, squeeze the tool without closing the slot, and pull the assembly away. • Use your fingers to remove the center conductor from the tool. 85052C 3-21...
  • Page 50: When Start Frequency Is Less Than 7 Ghz

    • Squeeze the tool to close the slot, then pull the tool away from the connector, leaving the center conductor. Figure 3-23 Remove the Tool • Examine the outer and center conductors to see that the are in place and concentric. If the center 3-22 85052C...
  • Page 51 • To remove the 2-7 GHz air line: loosen the air line nut and carefully move Port 2 away from Port 1. Figure 3-27 Disconnect Port 2 • Insert the tool and lightly press it to engage the center conductor. 85052C 3-23...
  • Page 52 Port 2. If the center conductor remains with the female port, use the installation tool to remove it. Carefully insert the center conductor back into the insertion tool, male end first. Figure 3-30 Remove Center Conductor from Port 2 (if necessary) 3-24 85052C...
  • Page 53: Performing A Trl 2-Port Calibration For A Coaxial Device Measurement

    “wizard” interface to walk you through the calibration. Steps are explained using both text and graphics. For more information on SmartCal, refer to your PNA’s embedded Help system. To view PNA Help online, go to www.keysight.com and type PNA Help in the Search box. 85052C 3-25...
  • Page 54 •“Precision Adapters” on page 1-5 •“Precision Airlines” on page 1-6 •“Installing Precision Adapters and Adapter Anti-Rotation Clamps” on page 3-18 •“Using Precision Airlines” on page 3-19 3-26 85052C...
  • Page 55: Adapter Removal Calibration

    Female-Female Device Under Test Male to Male If the DUT you are measuring has two male connectors, your setup would look like the figure below. The male-to-male precision adapter is substituted for the DUT to accomplish this calibration. 85052C 3-27...
  • Page 56: Adapter Removal Calibration Procedure

    Next create the Port 2 calibration set by performing the TRL 2-Port calibration between Port 2 and the adapter. Keep the adapter connected to Port 1 during the entire procedure. Save the calibration in Cal Set 2. Figure 3-34 Port 2 Cal Set 3-28 85052C...
  • Page 57: Offset Load Calibration

    2 to 7 GHz line with load <9.26 GHz - and - 7 to 32 GHz line with load 0 delay load <=32 GHz - and - 7 to 32 GHz line with load Figure 3-35 Offset Load Calibration: Frequency Range of Calibration Devices 85052C 3-29...
  • Page 58: Offset Load Calibration Sequence For The Pna

    Before performing the following steps, see the section “Using Precision Airlines” on page 3-19 for detailed instructions on how to connect and disconnect precision airlines to/from test port connectors. 6. Connect the 7-32 GHz offset airline to the retractable test port connector. 3-30 85052C...
  • Page 59 9. Carefully connect the load to the retractable test port connector. Make sure the load is aligned and goes in straight. Figure 3-40 Procedure A, Step 9 Illustration 10. Measure the load, then disconnect it. 11. Disconnect the 7-32 GHz offset airline. 85052C 3-31...
  • Page 60 15. Carefully connect the load to the retractable test port connector. Make sure the load is aligned and goes in straight. Figure 3-42 Procedure A, Step 15 Illustration 16. Measure the load. 17. Disconnect the 2-7 GHz offset airline. 3-32 85052C...
  • Page 61: Procedure B: Male Test Port On Dut

    7. Measure the load. Figure 3-44 Procedure B, Steps 3–7 Illustration Before performing the following steps, see the section “Using Precision Airlines” on page 3-19 for detailed instructions on how to connect and disconnect precision airlines to/from test port connectors. 85052C 3-33...
  • Page 62 Figure 3-47 Procedure B, Step 11 Illustration 12. Measure the load. 13. Disconnect the adapter from the test port connector. 14. Disconnect the 7-32 GHz offset airline from the retractable connector of the adapter. 3-34 85052C...
  • Page 63 To perform an Open/Short/Load/Offset Load calibration, perform a 1-port calibration. If the setup is like Figure 3-8 Configuration A, use Option A of the female port, 1-port calibration. If the setup is like Figure 3-8 Configuration B, use Option B of the female port, 1-port calibration. 85052C 3-35...
  • Page 64 Use, Maintenance, and Care of the Devices Offset Load Calibration 3-36 85052C...
  • Page 65: Performance Verification

    Performance Verification...
  • Page 66: Introduction

    Introduction Introduction The performance of your calibration kit can only be verified by returning the kit to Keysight 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 67: Recertification

    A list of NIST traceable numbers may be purchased upon request to be included in the calibration report. Keysight Technologies offers a Standard calibration for the recertification of the kit. For more information, contact the nearest Keysight Technologies sales or service office. See “Contacting Keysight”...
  • Page 68 Performance Verification Recertification 85052C...
  • Page 69: Troubleshooting

    Troubleshooting...
  • Page 70: 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 85052C...
  • Page 71: Where To Look For More Information

    2. Enter your analyzer model number (Ex: N5242A) in the Search box and click Search. 3. Under the heading Manuals, click on the title/hyperlink for the document PDF you want to view. If you need additional information, see “Contacting Keysight” on page 5-5. 85052C...
  • Page 72: Returning A Kit Or Device To Keysight

    Returning a Kit or Device to Keysight Returning a Kit or Device to Keysight If your kit or device requires service, contact Keysight Technologies for information on where to send it. See “Contacting Keysight” on page 5-5 for information. Include a service tag (located near the end of this manual) on which you provide the following information: •...
  • Page 73: Contacting Keysight

    If you do not have access to the Internet, please contact your Keysight field engineer. NOTE In any correspondence or telephone conversation, refer to the Keysight product by its model number and full serial number. With this information, the Keysight representative can determine whether your product is still within its warranty period. 85052C...
  • Page 74 Troubleshooting Contacting Keysight 85052C...
  • Page 75: Replaceable Parts

    Replaceable Parts...
  • Page 76: Introduction

    Replaceable Parts Introduction Introduction Table 6-1 lists the replacement part numbers for items included in the 85052C calibration kit and Figure 6-1 illustrates 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 77 Replaceable Parts Introduction Table 6-1 Replaceable Parts for the 85052C Calibration Kit Keysight Description Per Kit Part Number Tools 5/16 in, 90 N-cm (8 in-lb) torque wrench 8710-1765 Spanner wrench 08513-20014 4-mm hex balldriver 8710-1933 Adapter anti-rotation clamp 85052-20060 Calibration Kit Storage Case...
  • Page 78 Cleaning swabs 9301-1243 a. All female connectors on the precision devices in this kit are slotless connectors. Refer to “Inspect Female Connectors” on page 3-3. b. Keysight can no longer safely ship isopropyl alcohol, so customers should purchase it locally. 85052C...
  • Page 79 Replaceable Parts Introduction Figure 6-1 Component Identification Sheet for the 85052C Calibration Kit 85052C...
  • Page 80 Replaceable Parts Introduction 85052C...
  • Page 81: Standard Definitions

    Standard Definitions...
  • Page 82: Class Assignments And Standard Definitions Values Are Available On The Web

    It also provides some examples of how to set up a new calibration kit and how to modify an existing calibration kit definition file. To download a free copy, go to www.keysight.com and enter literature number 5989-4840EN in the Search window. 85052C...
  • Page 83 1-11 gaging recession limits entering 1-11 to determine pin depth standard position 3-21 calibration kit when to do Keysight Technologies Keysight Application Note gender 1-15 application note contents male contacting drawing of mating plane surfaces agreements modifying definition files...
  • Page 84 ESD protection 3-12 part numbers parts precautions 3-12 zeroing 3-10 included in kit manual gaging not included in kit printing connectors ordering when to do replaceable conductive female connectors 3-10 performance verification part number male connectors fail Index-2 85052C...
  • Page 85 1-12 serial numbers 1-13 part number temperature devices 1-13 affect on electrical performance recording 1-13 calibration service zeroing cautions about service tag 1-12 connector gage 3-10 changes in shorts device part numbers error-corrected specifications measurement slotless connector 85052C Index-3...
  • Page 86 Index Index-4 85052C...
  • Page 87 This information is subject to change without notice. © Keysight Technologies 1994 - 2014 November 2014 *85052-90078* 85052-90078 www.keysight.com...

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