Keysight 85059B Service Guide

Operating and Service Manual
Keysight Technologies 85059B
1.0 mm Precision Calibration Kit

Notices

© Keysight Technologies, Inc. 2
016-2021
No part of this manual may be reproduced in any form or by any means (including electronic storage and retrieval or translation into a foreign language) without prior agreement and written consent from Keysight Technologies, Inc. as governed by United States and international copyright laws.
Trademark Acknowledgments
Manual Part Number
85059-90005
Edition
Edition 1, March 2021
Printed in USA/Malaysia
Published by: Keysight Technologies
1400 Fountaingrove Parkway Santa Rosa, CA 95403
Warranty
THE MATERIAL CONTAINED IN THIS DOCUMENT IS PROVIDED “AS IS,” AND IS SUBJECT TO BEING CHANGED, WITHOUT NOTICE, IN FUTURE EDITIONS. FURTHER, TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, KEYSIGHT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED WITH REGARD TO THIS MANUAL AND ANY INFORMATION CONTAINED HEREIN, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. KEYSIGHT SHALL NOT BE LIABLE FOR ERRORS OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE 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
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Safety Notices
A CAUTION notice denotes a hazard. It calls attention to an operating procedure, practice, or the like that, if not correctly performed or adhered to, could result in damage to the product or loss of important data. Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met.
A WARNING notice denotes a hazard. It calls attention to an operating procedure, practice, or the like that, if not correctly performed or adhered to, could result in personal injury or death. Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met.
1. General Information
Chapter One at-a-Glance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Chapter One at-a-Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Calibration Kit Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Kit Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Compatible Network Analyzers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Data-Based Model for Defining the Calibration Standards . . . . . . . . . . . . . . . . . . . . . . 1-3
Data-Based Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
85059B (Precision) Kit Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
The 85059B (Precision) calibration kit contains the following:. . . . . . . . . . . . . . . . . . 1-4
Offset Opens and Shorts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
How to Identify Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Adapters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Lowband Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Performing a Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Using a Network Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Calibration Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Equipment Required but Not Supplied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Contents

Offset-Short Calibration Using the 85059B (Precision) Calibration Kit and the PNA’s Guided
Power Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Calibration Residual Error Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Serial Number Prefix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Serial Number Suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Device Serial Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Recording the Device Serial Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Incoming Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Clarifying Connector Gender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Clarifying the Terminology of a Connector Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
When to Calibrate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Regulatory and Environmental Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
2. Specifications
Information in This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Chapter Two at-a-Glance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Temperature—What to Watch Out For. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Keysight 85059V Operation and Service Guide 1
Contents
Mechanical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Electrical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
3. Use, Maintenance, and Care of the Devices
Information in this Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
Chapter Three at-a-Glance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Electrostatic Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Visual Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Look for Obvious Defects and Damage First . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
What Causes Connector Wear? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Connector Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Concentricity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Inspect the Mating Plane Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Inspect Female Connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Supplies and Equipment Needed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Cleaning Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Pin Depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Making Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-12
How to Make a Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Connection Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Connector Misalignment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-13
How to Separate a Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Using a Torque Wrench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Disconnection Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Handling and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-19
4. Performance Verification
Information in This Chapter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
Chapter Four at-a-Glance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
How Keysight Verifies the Devices in This Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Recertification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
How Often to Recertify . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Where to Send a Kit for Recertification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
5. Troubleshooting
Information in This Chapter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
Chapter Five at-a-Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Troubleshooting Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
2 Keysight 85059V Operation and Service Guide
Where to Look for More Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Returning a Kit or Device to Keysight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Contacting Keysight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Printing Copies of Documentation from the Web . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
6. Replacement Parts
Information in This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Chapter Six at-a-Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
7. Standard Definitions
Information in This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Chapter Seven at-a-Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Class Assignments and Standard Definitions Values are Available on the Web. . . . . . . . . . 7-1
Contents
Keysight 85059V Operation and Service Guide 3
Contents
4 Keysight 85059V Operation and Service Guide
Keysight 1.0 mm Precision Calibration Kit 85059B
Operation and Service Guide

1 General Information

Chapter One at-a-Glance

About this Manual

This manual describes the 85059B calibration kit and provides replacement part numbers, specifications, and procedures for using, maintaining and troubleshooting this kit.

Chapter One at-a-Glance

Section Title Summary of Content
“Calibration Kit Overview” on page 1-3 Describes the 85059B calibration kit contents, how to identify shorts,
and compatible network analyzers.
“Offset-Short Calibration Using the 85059B (Precision) Calibration Kit and the PNA’s Guided Power Calibration” on page 1-7
“Calibration Residual Error Specifications” on page 1-8
“Serial Numbers” on page 1-9 How to verify your calibration kit’s serial number in a table to avoid
“Incoming Inspection” on page 1-10 Verifying your calibration kit’s contents and what to do, if there is an
“Clarifying Connector Gender” on page 1-12
“Clarifying the Terminology of a
Provides links for performing a Guided Power Calibration and using the 85059B calibration kit.
Describes the data-based residual error specifications. Refer to
Table 1-1 on page 1-8.
possible confusion with other calibration kits.
problem.
A discussion of how to identify the male and female connectors.
A discussion of some of the connector terminology.
Connector Interface” on page 1-13
“Preventive Maintenance” on
How to avoid damaging the devices in your calibration kit.
page 1-13
“When to Calibrate” on page 1-14
How often should you re-calibrate your network analyzer.
1- 1
1-
General Information Chapter One at-a-Glance
Section Title Summary of Content
“Regulatory and Environmental Information” on page 1-15
Description of regulatory symbols.
1-2 Keysight 85059B Operation and Service Guide
General Information Calibration Kit Overview

Calibration Kit Overview

The 85059B 1.0 mm precision calibration kit is used to calibrate your PNA series network analyzer system. This kit is used for the measurement of components with 50 120 GHz.
Because it is physically impossible to construct a slotless version of the 1.0 mm female contact, the female devices in this kit use slotted contacts. The slotted female contact does not have the same electrical characteristics as a solid conductor, and therefore, the male and female devices in this kit have different models.
Although the male and female devices are designed to have the same mechanical length, their electrical delays are different. This reflects the differences in the connector interface compression. When the male and female devices are torqued together the male side compresses more than the female side.
The 1.0 mm connector utilizes an air dielectric interface for the highest accuracy and repeatability. The coupling diameter and thread size were chosen to maximize strength, increase durability and provide highly repeatable connections. The connectors are designed so that the outer conductors engage before the center conductors.
Ω, 1.0 mm connectors with a frequency range of DC to
To obtain the best performance possible, the manufacturing tolerances of the connectors are tighter than the standard 1.0 mm specifications per the IEEE 287 precision connector standard.

Kit Contents

Use the Contents List in the shipping container to verify the completeness of your shipment. Although this list is the most accurate, you can also use the illustration in Table 6-1 on page 6-2 to verify the items in your shipment. If your shipment is not complete, contact Keysight Technologies - refer to
“Contacting Keysight” on page 5-4.

Compatible Network Analyzers

The devices in this kit and their data are compatible with the PNA series network analyzers.

Data-Based Model for Defining the Calibration Standards

The 85059 family of calibration kits uses the Data-Based models to define the calibration standards.
Keysight 85059B Operation and Service Guide 1-3
1-
General Information Calibration Kit Overview
Data-Based Model
The data-based model (85059B) of each calibration kit provides higher accuracy for describing calibration standards than a polynomial model. The data-based nominal S-Parameter model for each calibration standard is generated by using a theoretical derivation or a high accuracy S-Parameter measurement. These nominal S-parameter models are stored as part of the data-based model. Errors that can be the result of polynomial model approximations do not exist.
The data-based models may only be used with the SmartCal (Guided) Calibration method of the Cal Wizard. Using the data-based models with the Unguided Calibration method of the Cal Wizard is not allowed.
The data-based models may NOT be edited with the Advanced Modify Cal Kit dialog box. Attempts to programmatically edit the definitions of the data-based-model calibration standards will result in reported errors (i.e. SCPI Execution Error).
In the PNA’s Modify Calibration Class Assignments dialog box Math” feature is turned ON by default when the 85059B data-based model is selected from a cal kit menu. In order to achieve a more accurate calibration, Expanded Math uses the data at any given frequency from ALL measured standards instead of using only the three standards specified in the class definitions.

85059B (Precision) Kit Contents

The 85059B (Precision) calibration kit contains the following:
— one pair (male and female) of an offset open
— one pair (male and female) of a lowband load
— four pairs (male and female) of offset shorts
—three adapters
— form—tracking recalibration date due
— calibration certificate
— wrench, open end for the 6 mm flats on some of the components
— wrench–torque, 4-in-lb. 6 mm open end, gold handle
1
, the “Expanded
— wrench–torque, 4-in-lb. 14 mm open end, gold handle
— a 10x magnifying glass
— case—plastic storage
1. Pathway to the Modify Calibration Class Assignments dialog box: Calibration > Advanced Modify Cal Kit > Edit Kit > Class Assignments: Edit.
1-4 Keysight 85059B Operation and Service Guide
General Information Calibration Kit Overview
Refer to Table 6-1 on page 6-2 and Figure 6-1 on page 6-3 for a complete list of kit contents and their associated part numbers.
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 machining. The offset short's inner conductors have a one–piece construction, common with the shorting plane. This construction provides for extremely repeatable connections. The offset opens have inner conductors that are supported by a strong, low dielectric plastic to provide repeatability and reliability. Both the opens and shorts are constructed so that the pin depth can be controlled very tightly, thereby minimizing phase errors. The length of the offset opens are designed so that the difference in phase of their reflection coefficients is approximately 180° at all frequencies, with respect to offset short 2.
How to Identify Devices
The shorts, opens, and loads in the kit are identified by the number of rings (or bands) around the body of the device.
— lowband loads have no rings or bands
— 1.3 mm offset short has 1 ring or band and is identified as Short 1
— 2.45 mm offset short has 2 rings or bands and is identified as Short 2
— 3.326 mm offset short has 3 rings or bands and is identified as Short 3
— 4.039 mm offset short has 4 rings or bands and is identified as Short 4
— offset open has 3 rings and is designed to be 180 degrees out of phase with
Short 2. In addition, the offset open has a rounded edge to help distinguish it from the shorts (see Figure 1-1).
Figure 1-1 OPEN Calibration Devices: 85059B
Adapters
Like the other devices in the kit, the adapters are built to very tight tolerances to provide good broadband performance and to ensure stable, repeatable connections.
Keysight 85059B Operation and Service Guide 1-5
1-
General Information Calibration Kit Overview
Lowband Loads
The loads have been optimized for broadband performance up to 50 GHz.
The best operating region of the load is from DC to 50 GHz. Performance degrades quickly above 50 GHz.

Performing a Calibration

Using a Network Analyzer
To find information about performing a calibration with your network analyzer, refer to your analyzer’s User’s Guide or Help system. To find an online copy on the Keysight web site:
1. Go to www.keysight.com
2. Enter the analyzer’s model in the search box.
3. Press Enter
4. On the web page that opens, underneath the title of your Network Analyzer, click Support
5. Click the Documentation Library icon
6. Click the link for the document you want to view

Calibration Definitions

The calibration kit must be selected prior to performing a calibration. In addition, the calibration definitions for the devices in the kit must be installed in the analyzer as part of a firmware upgrade (12.80). Refer to
http://na.support.keysight.com/pna/.
Class assignments and standard definitions may change as more accurate model and calibration methods are developed. For reference, you can download and view the most recent class assignments and standard definitions from Keysight’s Calibration Kit Definitions Web page at
http://na.support.keysight.com/pna/caldefs/stddefs.html.
Refer to online PNA Help for instructions on selecting the calibration kit, installing (if necessary) the calibration definitions, and performing a calibration.

Equipment Required but Not Supplied

Various connector cleaning supplies and electrostatic discharge safety supplies are not provided in this kit. (Refer to Chapter 6, “Replacement Parts”,
on page 6- 1 for ordering information.)
1-6 Keysight 85059B Operation and Service Guide
General Information Offset-Short Calibration Using the 85059B (Precision) Calibration Kit and the PNA’s Guided Power Calibration
Gage sets (not provided with the 85059B), adapters, ESD protection devices, and va but are required to ensure successful operation of the calibration kit. Refer to
Table 6-1 on page 6-2 for ordering information.
rious connector cleaning supplies are not included in the calibration kit

Offset-Short Calibration Using the 85059B (Precision) Calibration Kit and the PNA’s Guided Power Calibration

IMPORTANT! The 85059B calibration kit must be used with the PNA’s Guided Calibration. PNA’s guided calibration selects the proper standards for connection based on the selected frequency range. Refer to “Using a
Network Analyzer” on page 1-6.
To download a copy of the 85059B calibration kit definitions (.xkt file), refer to Keysight’s Calibration Kit Definitions Web page at
http://na.support.keysight.com/pna/caldefs/stddefs.html
For best measurement results, the isolation standard should be the equivalent impedance of the DUT.
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General Information Calibration Residual Error Specifications

Calibration Residual Error Specifications

Please download our free Vector Network Analyzer Uncertainty Calculator from
http://www.keysight.com/find/na_calculator.
Table 1-1 85059B (Precision) Residual System Calibration Error
Specifications
Frequency Range (GHz)
Data-Based Model (Residuals)
Directivity Source
Match
DC to 10 –29 –28 0.02
10 to 15 –31 –31 0.09
15 to 20 –35 –35 0.09
20 to 30 –37 –36 0.05
30 to 40 –37 –35 0.05
40 to 50 –33 –32 0.07
50 to 60 –31 –30 0.08
60 to 70 –31 –30 0.15
70 to 80 –28 –27 0.15
80 to 100 –28 –27 0.11
100 to 115 –27 –27 0.13
115 to 120 –27 –27 0.13
1
Reflection Tracking
1. Refer to “Data-Based Model for Defining the
Calibration Standards” on page 1-3.
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General Information Serial Numbers

Serial Numbers

Serial Number Prefix

A serial number label is attached to the calibration kit. A typical kit serial number label is shown in Figure 1-2. The prefix is made up of six characters. The first two characters show the country, the next two digits represent the year, and the last two digits designate the week of manufacturing.

Serial Number Suffix

The last four digits are the suffix numbers. The suffix numbers are unique to each calibration kit.
IMPORTANT!
Starting in March 2021 serial number prefixes US6111 have a new offset the old serial number prefix US5720 opens. The changes made effect mechanical behavior and manufacturability.
Open -m- and -f- which meet the same electrical specifications as
Figure 1-2 Typical Kit Serial Number Label

Device Serial Numbers

In addition to the kit serial number, the devices in this kit are individually serialized (serial numbers are printed on an attached label, or scribed onto the body of each device). Record these serial numbers in Figure 1-6 on page 1-16. This can help you avoid confusing the devices in this kit with similar devices from other kits.
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General Information Incoming Inspection

Recording the Device Serial Numbers

Table 1-2 Serial Number Record for 85059B (Precision)
Device Serial Number
Calibration kit
Load –m–
Load –f–
Offset open –m–
Offset open –f–
1.3 mm offset short 1 –m–
1.3 mm offset short 1 –f–
2.45 mm offset short 2 –m–
2.45 mm offset short 2 –f–
3.326 mm offset short 3 –m–
3.326 mm offset short 3 –f–
4.039 mm offset short 4 –m–
4.039 mm offset short 4 –f–
Adapter m–f
Adapter m–m
Adapter f–f
_______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________

Incoming Inspection

Verify that the shipment is complete by referring to Table on page 6-2 or
Figure 6-1 on page 6-3.
Check for damage. The foam-lined storage case provides protection during shipping.
If the case or any device appears damaged, or if the shipment is incomplete, contact Keysight. See “Contacting Keysight” on page 5-4. Keysight will arrange for repair or replacement of incomplete or damaged shipments without waiting for a settlement from the transportation company.
When you send the kit or device to Keysight, include 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
— the model number and serial number of the kit
1-10 Keysight 85059B Operation and Service Guide
General Information Incoming Inspection
— the part number and serial number of the device
— the type of service required
—a detailed description of the problem
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General Information Clarifying Connector Gender

Clarifying Connector Gender

In this manual, connectors are referred to in terms of their device gender unless otherwise stated. For example, a male open has a male connector.
Figure 1-3 Clarifying Connector Gender
Figure 1-4 Male and Female Connectors
1-12 Keysight 85059B Operation and Service Guide
General Information Clarifying the Terminology of a Connector Interface

Clarifying the Terminology of a Connector Interface

In this document and in the prompts of the PNA calibration wizard, the sex of cable connectors and adapters is referred to in terms of the center conductor. For example, a connector or device designated as 1.0 mm –f– has a 1.0 mm female center conductor.

Preventive Maintenance

The best techniques for maintaining the integrity of the devices in this kit include:
— routine visual inspection
—cleaning
— proper pin depth
— proper connection techniques
All of the above are described in Chapter 3, “Use, Maintenance, and Care of
the Devices.”. Failure to detect and remove fSdirt or metallic particles on a
mating plane surface can degrade repeatability and accuracy and can damage any connector mated to it. Improper connections, resulting from pin depth values being out of the typical limits (see Table 2-4), or from bad connections, can also damage these devices.
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General Information When to Calibrate

When to Calibrate

A network analyzer calibration remains valid as long as the changes in the systematic error are insignificant. 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 cause in calibration accuracy degradation. The major effect is a change in the physical length of external and internal cables. Other important causes are dirty and damaged test port connectors and calibration standards. If the connectors become dirty or damaged, measurement repeatability and accuracy is affected. Fortunately, it is relatively easy to evaluate the general validity of the calibration. To test repeatability, remeasure one of the calibration standards. If you can not obtain repeatable measurements from your calibration standards, maintenance needs to be performed on the test port connectors, cables and calibration standards. Also, maintain at least one sample of the device under test or some known device as your reference device. A verification kit may be used for this purpose. After calibration, measure the reference device and note its responses. 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.
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General Information Regulatory and Environmental Information

Regulatory and Environmental Information

This section contains information that is required by various government regulatory agencies.
The CE mark is a registered trademark of the European Community. (If accompanied by a year, it is when the design was proven.)
ccr.keysight@key sight.com
The Keysight email address is required by EU directives applicable to our product.
China RoHS regulations include requirements related to packaging, and require compliance to China standard GB18455-2001.
This symbol indicates compliance with China RoHS regulations for paper/fiberboard packaging.
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