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Keysight 85052C User's And Service Manual
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Keysight 85052C User's And Service Manual

Keysight 85052C User's And Service Manual

3.5 mm precision calibration kit
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Keysight 85052C
3.5 mm Precision
Calibration Kit
This is the User's and Service Guide for the 85052C 3.5 mm Calibration Kit.
USER'S AND SERVICE GUIDE
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Summary of Contents for Keysight 85052C

  • Page 1 Keysight 85052C 3.5 mm Precision Calibration Kit This is the User's and Service Guide for the 85052C 3.5 mm Calibration Kit. USER'S AND SERVICE GUIDE...

  • Page 2: Safety Notices

    Notices DOCUMENT THAT CONFLICT WITH writing elsewhere in the EULA. THESE TERMS, THE WARRANTY Keysight shall be under no obligation TERMS IN THE SEPARATE to update, revise or otherwise modify © Keysight Technologies, Inc. the Software. With respect to any AGREEMENT WILL CONTROL.

  • Page 3: Table Of Contents

    Gaging Female 3.5 mm Connectors ........3-11 Keysight 85052C User’s and Service Guide...
  • Page 4 How Keysight Verifies the Devices in Your Kit........
  • Page 5 Contents A:.Standard Definitions Class Assignments and Standard Definitions Values are Available on the Web..A-1 Keysight 85052C User’s and Service Guide Contents–5...
  • Page 6 Contents Contents–6 Keysight 85052C User’s and Service Guide...

  • Page 7: General Information

    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. TRL stands for Thru-Reflect-Line, naming the main standards used in the accuracy enhancement procedure.

  • Page 8: Kit Contents

    General Information Calibration Kit Overview Kit Contents The 85052C 3.5 mm Precision Calibration Kit contains components useful for several different calibration techniques. The parts used for the TRL 2-Port calibration are: — longer precision air line for 2 to 7 GHz —...

  • Page 9: Offset Opens And Shorts

    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. Keysight 85052C User’s and Service Guide...

  • Page 10: Precision Adapters

    Using other than the highest quality connectors as the test ports will reduce accuracy and repeatability as well as possibly damaging the calibration standards. Keysight 85052C User’s and Service Guide...

  • Page 11: Precision Airlines

    The precision airlines are metrology-grade impedance reference devices. The characteristic impedance (Z ) of the line establishes the reference impedance after error correction is applied. Each airline is always stored in its installation tool to help prevent damage and preserve cleanliness. Keysight 85052C User’s and Service Guide...
  • Page 12 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 Keysight 85052C User’s and Service Guide...
  • 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. Keysight 85052C User’s and Service Guide...
  • Page 14 2-7 Line, then the 0-2 Loads. If measuring over a reduced frequency range, only those standards for that frequency range need to be measured. For example, if you are testing over the 3-22 GHz range, only the 7-32 Line and the 2-7 Line must be measured. Keysight 85052C User’s and Service Guide...
  • Page 15 Minimum Frequency or Maximum Frequency specification for the air line, and then performing the TRL 2-Port calibration procedure. With correction on, the trace noise on the error-corrected trace may increase at the points where the Keysight 85052C User’s and Service Guide...

  • Page 16: Tools

    Figure 1-12 Torque Wrench Figure 1-13 Spanner Wrench Figure 1-14 Torque Wrench (not included) Figure 1-15 Hex Wrench for Adapter Anti-Rotation Clamp 1-10 Keysight 85052C User’s and Service Guide...

  • Page 17: 3.5 Mm Connectors

    If the case or any device appears damaged, or if the shipment is incomplete, contact Keysight Technologies. See “Contacting Keysight” on page 5-4 contact information. Keysight will arrange for repair or replacement of incomplete or damaged shipments without waiting for a settlement from the transportation company.
  • Page 18 General Information Incoming Inspection When you send the kit or device to Keysight, include a service tag (found at the back of this manual) with the following information: — your company name and address — the name of a technical contact person within your company, and the person's complete phone number —...

  • 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 Calibration kit _______________________________ –m–...

  • 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 Keysight 85052C User’s and Service Guide...

  • Page 21: Clarifying The Terminology Of A Connector Interface

    Improper connections, resulting from pin depth values being out of the observed limits (see Table 1-1 on page 1-13) or from bad connection techniques, can also damage these devices. Keysight 85052C User’s and Service Guide 1-15...

  • Page 22: When To Calibrate

    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 Keysight 85052C User’s and Service Guide...

  • Page 23: Specifications

    Keysight 3.5 mm Calibration Kit User’s and Service Guide Specifications Environmental Requirements Table 2-1 Environmental Requirements Parameter Limits Temperature +20 °C to +26 °C Operating Storage −40 °C to +75 °C Error-corrected range ± 1 °C of measurement calibration temperature Relative humidity Type tested, 0% to 95% at 40 °C, non-condensing...

  • Page 24: Mechanical Characteristics

    Mechanical characteristics such as center conductor protrusion and pin depth are not performance specifications. 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 25 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. Keysight 85052C User’s and Service Guide...

  • Page 26: Electrical Specifications

    Specifications 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) Broadband loads dc to ≤...

  • Page 27: Certification

    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...
  • Page 28 Specifications Electrical Specifications Keysight 85052C User’s and Service Guide...

  • Page 29: Use, Maintenance, And Care Of The Devices

    Keysight 3.5 mm Calibration Kit User’s and Service Guide Use, Maintenance, and Care of the Devices Electrostatic Discharge Protection against electrostatic discharge (ESD) is essential while connecting, inspecting, or cleaning connectors attached to a static-sensitive circuit (such as those found in test sets).

  • Page 30: Use, Maintenance, And Care Of The Devices Electrostatic Discharge

    Use, Maintenance, and Care of the Devices Electrostatic Discharge Figure 3-1 ESD Protection Setup Keysight 85052C User’s and Service Guide...

  • Page 31: Visual Inspection

    Light burnishing of the mating plane surfaces is normal, and is evident as light scratches or shallow circular marks distributed more or less uniformly over the mating plane surface. Other small defects and cosmetic imperfections are also normal. None of these affect electrical or mechanical performance. Keysight 85052C User’s and Service Guide...

  • Page 32: Inspect Female Connectors

    PSC has a center conductor with a solid cylindrical shell, the outside diameter of which does not change when mated. Instead, this center conductor has an internal contact that flexes to accept the male pin. Figure 3-2 Detail of Precision Slotless Female Connector Keysight 85052C User’s and Service Guide...

  • Page 33: Cleaning Connectors

    Refer to Table 6-2 on page 6-3 for a part number for cleaning swabs. a. Apply a small amount of isopropyl alcohol to a lint-free cleaning swab. Keysight 85052C User’s and Service Guide...

  • Page 34: Review The Principles Of Connector Care

    Refer to the calibration kit documentation for detailed connector care information. For course numbers about additional connector care instruction, contact Keysight Technologies. Refer to “Contacting Keysight” on page 5-4. Keysight 85052C User’s and Service Guide...
  • Page 35 Cleaning connectors with alcohol shall only be done with the instrument’s power cord removed, and in a well-ventilated area. Allow all residual alcohol moisture to evaporate, and the fumes to dissipate prior to energizing the instrument. Keysight 85052C User’s and Service Guide...

  • Page 36: Gaging Connectors

    Use, Maintenance, and Care of the Devices 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 37: Gaging Procedures

    The gage pointer should line up exactly with the zero mark on the gage. If not, adjust the zero set knob until the gage pointer lines up exactly with zero. d. Remove the gage master. 4. Gage the device connector (refer to Figure 3-3): Keysight 85052C User’s and Service Guide...
  • Page 38 Compare the average reading with the observed pin depth limits in Table 2-2 on page 2-3. 3-10 Keysight 85052C User’s and Service Guide...

  • Page 39: Gaging Female 3.5 Mm Connectors

    This gives the best stability, and improves measurement accuracy. (Cradling the gage in your hand or holding it by the dial applies stress to the gage plunger mechanism through the dial indicator housing.) Keysight 85052C User’s and Service Guide 3-11...
  • Page 40 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. 3-12 Keysight 85052C User’s and Service Guide...
  • Page 41 Use, Maintenance, and Care of the Devices Gaging Connectors e. Compare the average reading with the observed pin depth limits in Table 2-2 on page 2-3. Figure 3-4 Gaging Female 3.5 mm Connectors Keysight 85052C User’s and Service Guide 3-13...

  • Page 42: Connections

    Very light finger pressure is enough to accomplish this. 8. Make sure the connectors are properly supported. Relieve any side pressure on the connection from long or heavy devices or cables. 3-14 Keysight 85052C User’s and Service Guide...

  • Page 43: Final Connection Using A Torque Wrench

    This is especially true when several devices are connected together. Figure 3-5 Wrench Positions 2. Hold the torque wrench lightly, at the end of the handle only (beyond the groove). See Figure 3-6. Keysight 85052C User’s and Service Guide 3-15...

  • Page 44: How To Separate A Connection

    2. Use another open-end wrench to loosen the connector nut. 3. Complete the separation by hand, turning only the connector nut. 4. Pull the connectors straight apart without twisting, rocking, or bending either of the connectors. 3-16 Keysight 85052C User’s and Service Guide...

  • Page 45: Handling And Storage

    — 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. Keysight 85052C User’s and Service Guide 3-17...

  • Page 46: 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 3-18 Keysight 85052C User’s and Service Guide...

  • Page 47: 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. Keysight 85052C User’s and Service Guide 3-19...

  • Page 48: 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 3-20 Keysight 85052C User’s and Service Guide...

  • Page 49: Using Precision Airlines

    If the center conductor is not centered, use the installation tool to align it. Figure 3-13 Check Concentricity — Move the adapter nut to its extended position. For more information, refer “Precision Adapters” on page 1-4. Keysight 85052C User’s and Service Guide 3-21...
  • Page 50 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 3-22 Keysight 85052C User’s and Service Guide...
  • Page 51 — 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. Keysight 85052C User’s and Service Guide 3-23...

  • Page 52: When Start Frequency Is Less Than 7 Ghz

    — Press the tool lightly to engage the center conductor. Figure 3-22 Engage the Center Conductor — 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 3-24 Keysight 85052C User’s and Service Guide...
  • Page 53 — 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. Keysight 85052C User’s and Service Guide 3-25...
  • Page 54 Carefully insert the center conductor back into the insertion tool, male end first Figure 3-30 Remove Center Conductor from Port 2 (if necessary) 3-26 Keysight 85052C User’s and Service Guide...

  • Page 55: Performing A Trl 2-Port Calibration For A Coaxial Device Measurement

    3. Verify the calibration. 4. Connect the device under test. For information on TRL calibration for non-coaxial device measurements, refer to Keysight Product Note, “Applying the 8510 TRL Calibration for Non-Coaxial Measurements” (See https://www.keysight.com/us/en/assets/7018-06749/technical-overview s/5091-3645.pdf). Although the title specifies the 8510, this document contains a lot of good generic information about TRL calibration that is applicable to any vector network analyzer.

  • Page 56: Adapter Removal Calibration

    Detailed information about the adapter removal calibration is contained in Product Note 8510-13. To download a free copy, go to www.keysight.com and enter literature number 8510-13 in the Search box. The previous calibration sequence assumed that the device under test is insertable;...

  • Page 57: Non-Insertable Device Configurations

    Next create the Port 2 calibration set by performing the TRL 2-Port calibration Port 2 between Port 2 and the adapter. Keep the adapter connected to Port 1 during the entire procedure. Save the calibration in Cal Set 2. Keysight 85052C User’s and Service Guide 3-29...

  • Page 58: 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 3-30 Keysight 85052C User’s and Service Guide...

  • Page 59: Offset Load Calibration Sequence For The Pna

    “retractable test port connector.” Figure 3-36 Procedure A, Step 1 Illustration 2. Select Guided Cal. 3. Measure the open. 4. Measure the short. 5. Measure the load. Keysight 85052C User’s and Service Guide 3-31...
  • Page 60 Procedure A, Step 6 Illustration 8505_078_305 7. Check to make sure the center conductor and outer conductor are concentric. 8. Pull the outer ring of the retractable test port connector to extend the outer nut. 3-32 Keysight 85052C User’s and Service Guide...
  • Page 61 12.Push the extended outer nut back on the retractable test port connector. 13.Connect the 2-7 GHz offset airline to the retractable test port connector. Figure 3-41 Procedure A, Steps 12 and 13 Illustration Keysight 85052C User’s and Service Guide 3-33...

  • Page 62: Procedure B: Male Test Port On Dut

    5. Make one of the following combinations: — Connect a –m– load to the –m– to –f– precision TRL adapter (Option A), or — Connect a –f– load to the –m– to –m– precision TRL adapter (Option B) 3-34 Keysight 85052C User’s and Service Guide...
  • Page 63 Figure 3-45 Procedure B, Step 8 Illustration 9. Check to make sure the center conductor and outer conductor are concentric. 10.Pull the outer ring of the adapter to extend the outer nut. Keysight 85052C User’s and Service Guide 3-35...
  • Page 64 15.Push the extended outer nut of the adapter back. 16.Connect the 2-7 GHz offset airline to the retractable connector of the adapter. 17.Check to make sure the center conductor and outer conductor are concentric. 3-36 Keysight 85052C User’s and Service Guide...
  • Page 65 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. Keysight 85052C User’s and Service Guide 3-37...
  • Page 66 Use, Maintenance, and Care of the Devices Offset Load Calibration 3-38 Keysight 85052C User’s and Service Guide...

  • Page 67: Performance Verification

    These two steps establish a traceable link to NIST for Keysight to the extent allowed by the institute’s calibration facility. The specifications data provided for the devices in the kit is traceable to NIST through Keysight Technologies.

  • Page 68: Recertification

    The recertification interval should begin on the date the kit is first used after the recertification date. Where to Send a Kit for Recertification Contact Keysight Technologies for information on where to send your kit for recertification. See “Contacting Keysight” on page 5-4.

  • Page 69: Troubleshooting

    Keysight 3.5 mm Calibration Kit User’s and Service Guide Troubleshooting 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.
  • Page 70 Troubleshooting Troubleshooting Process Figure 5-1 Troubleshooting Flowchart Keysight 85052C User’s and Service Guide...

  • Page 71: Where To Look For More Information

    “Contacting Keysight” on page 5-4. 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 5-4 information. Include a service tag (located near the end of this manual) on which you provide the following information: —...

  • Page 72: Contacting Keysight

    Assistance with test and measurements needs and information on finding a local Keysight office are available on the Web at: www.keysight.com/find/assist If you do not have access to the Internet, please contact your Keysight field engineer. In any correspondence or telephone conversation, refer to the Keysight product by its model number and full serial number.

  • Page 73: Replaceable Parts

    3.5 mm Calibration Kit User’s and Service Guide Replaceable Parts 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 74 Replaceable Parts Introduction Table 6-1 Replaceable Parts for the 85052C Calibration Kits Keysight Description Per Kit Part Number Short, 7 to 32 GHz (includes insertion tool) 85052-60035 Protective End Caps for Connectors Protective Cap 0.234 ID 1401-0202 required Protective Cap 0.313 ID...
  • Page 75 All female connectors on the precision devices in this kit are slotless connectors. Refer to Connectors” on page 4 b. Keysight can no longer safely ship isopropyl alcohol, so customers should purchase it locally. Keysight 85052C User’s and Service Guide...
  • Page 76 Replaceable Parts Introduction Figure 6-1 Component Identification Sheet for the 85052C Calibration Kit Keysight 85052C User’s and Service Guide...

  • Page 77: Standard Definitions

    Definitions Web page at https://www.keysight.com/us/en/assets/9922-01521/technical-specificatio ns/Calibration-Kit-Definitions.pdf For a detailed discussion of calibration kits, refer to the Keysight Application Note, “Specifying Calibration Standards and Kits for Keysight Vector Network Analyzers.” This application note covers calibration standard definitions, calibration kit content and its structure requirements for Keysight vector network analyzers.
  • Page 78 Standard Definitions Class Assignments and Standard Definitions Values are Available on the Web A -2 Keysight 85052C User’s and Service Guide...
  • Page 79 1–2 2–2 mating plane surfaces 3–6 part numbers clamp 6–1 cleaning 3–6 specifications adapter anti-rotation 2–4 slotless , 1–14, 3–4, 6–3 installing 3–20 slotless repair kit part number 6–2 part number 6–3 Keysight 85052C User’s and Service Guide I–1...
  • Page 80 1–11 KeysightTechnologies frequency entering 1–11 application note A–1 specifications 2–4 permanently frequency of calibration 1–16 stored contents 1–11 , 1–2, 6–4 drawing of deviation from nominal 6–4 phase overview 2–4 1–1 device gage I–2 Keysight 85052C User’s and Service Guide...
  • Page 81 2–1 1–14 observed limits preventive maintenance certification of 1–15 2–5 pin depth 2–3 protective end caps deviation from nominal offset load calibration 3–30 part numbers phase 6–2 2–4 sequence protrusion device 2–4 Keysight 85052C User’s and Service Guide I–3...
  • Page 82 5–3 connector temperature 3–3 affect electrical affect on electrical performance performance 2–1 3– calibration 2–1 cautions about 2–1 when to calibrate 1–16 changes in 2–1 wrench device 2–1 open-end , 1–11, 3–15, 3–16 I–4 Keysight 85052C User’s and Service Guide...
  • Page 83 Installation Note Xxxxx-xxxxx...
  • Page 84 This information is subject to change without notice. © Keysight Technologies 1994 - 2024 February 2024 85052-90078 www.keysight.com...