Keysight N7550A Reference Manual
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Keysight N7550A Reference Manual

Electronic calibration modules
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Reference Guide
Keysight Electronic Calibration
Modules
This manual provides documentation for the following models:
RF 2-Port: N7550A, N7551A, N7552A
RF 4-Port: N4431D
Microwave 2-Port: N4690D, N4691D, N4692D, N4693D,
N4694D, N4696D, N7553A, N7554A, and N7555A
Microwave 4-Port: N4432D, and N4433D

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Summary of Contents for Keysight N7550A

  • Page 1 Reference Guide Keysight Electronic Calibration Modules This manual provides documentation for the following models: RF 2-Port: N7550A, N7551A, N7552A RF 4-Port: N4431D Microwave 2-Port: N4690D, N4691D, N4692D, N4693D, N4694D, N4696D, N7553A, N7554A, and N7555A Microwave 4-Port: N4432D, and N4433D...
  • Page 2 PERFORMANCE OF THIS understood and met. these rights customarily provided DOCUMENT OR ANY INFORMATION CONTAINED HEREIN. SHOULD to the public to use, modify, KEYSIGHT AND THE USER HAVE A reproduce, release, perform, SEPARATE WRITTEN AGREEMENT display, or disclose commercial...
  • Page 3 URLs, according to the name of your product: http://www.keysight.com/find/ To receive the latest updates by email, subscribe to Keysight Email Updates at the following URL: http://www.keysight.com/find/MyKeysight Information on preventing instrument damage can be found at: www.keysight.com/find/PreventingInstrumentRepair...

  • Page 5: Table Of Contents

    Returning Devices to Keysight ........
  • Page 6 Contents N4433D Options ............2-9 Operating and Safety Precautions .
  • Page 7 Contents Final Connection Using a Torque Wrench ........4-18 Separating Connections.
  • Page 8 Contents 1.85 mm Modules and Accessories..........6-3 2.4 mm Modules and Accessories.

  • Page 9: General Information

    Keysight Electronic Calibration Modules RF/Microwave Two Port Reference Guide General Information Manual Overview The purpose of this manual is to help you use your Electronic Calibration (ECal) module confidently and effectively. ECal is a precision, single-connection calibration technique which uses fully traceable and verifiable electronic standards.

  • Page 10: Accuracy Of Electronic Calibration Versus Mechanical Calibration

    General Information Manual Overview — A female connector gage has a male interface so it can measure female devices. Accuracy of Electronic Calibration versus Mechanical Calibration N755xA ECals can be used for S-parameter measurement calibrations. The residual measurement uncertainty makes them unsuitable for advanced applications, such as load pull, noise figure, etcetera.

  • Page 11: When To Calibrate

    General Information When to Calibrate Mechanical Calibration Type ECal Thru Type Measurement ECal Mechanical Calibration ≥2-Port, data-based, expanded, flush Characterized Reflection Transmission thru Internal unknown Reflection Transmission Reflection External flush Transmission ≥2-Port, data-based, expanded, Characterized Reflection unknown thru Transmission Internal Reflection unknown Transmission...

  • Page 12: Models And Options

    Models and Options Models and Options This section provides the model number, operating characteristics and connector options available with Keysight RF and microwave ECal modules. You can order ECal modules by selecting the model number followed by the desired options.
  • Page 13 General Information Models and Options Figure 1-2 Model N7554A Option 3.5 mm m and f shown Electronic Calibration Modules Reference Guide...
  • Page 14 N755xA Modules Model Connector Port A and B Option Operating Number Type Frequency -m- and -f- -m- and -m- -f- and -f- N7550A Type-N 50 ohm DC to 4 GHz N7550A-NMF N7550A-NMM N7550A-NFF 3.5 mm N7550A-3MF N7550A-3MM N7550A-3FF Type-N 50 ohm...

  • Page 15: N4431D Modules (Rf Four-Port)

    General Information Models and Options N4431D Modules (RF Four-Port) ECal modules from this series are available with the connector types and frequency ranges shown in Table 1-1 on page 1-6. Mixed connector options allow you to configure the module with a different connector type at each port (as shown in Figure 1-2 on page 1-5).
  • Page 16 General Information Models and Options Figure 1-5 Model N4431D Option 4.3-10 m and f shown Figure 1-6 Model N4431D Option 7-16 m and f shown Electronic Calibration Modules Reference Guide...
  • Page 17 General Information Models and Options Table 1-2 N4431D Modules (All connectors are female) Model Connector Type Port A, B, C, D Operating Option Number Frequency N4431D 3.5 mm –f– DC to 13.5 GHz Type-N 50Ω -f- DC to 13.5 GHz Table 1-3 N4431D Mixed Connector Options Connector Type...

  • Page 18: N469Xd Modules (Microwave Two-Port)

    General Information Models and Options N469xD Modules (Microwave Two-Port) ECal modules from this series are available with the connector types and frequency ranges shown in Table 1-1 on page 1-6. Mixed connector options allow you to configure the module with a different connector type at each port (as shown in Figure 1-2).
  • Page 19 General Information Models and Options Figure 1-9 Model N4692D Option 2.92 mm m and f shown Figure 1-10 Model N4693D Option 2.4 mm m and f shown Electronic Calibration Modules Reference Guide 1-11...
  • Page 20 General Information Models and Options Figure 1-11 Model N4694D Option 1.85 mm m and f shown Figure 1-12 Model N4696D Option 7 mm 1-12 Electronic Calibration Modules Reference Guide...
  • Page 21 General Information Models and Options Table 1-4 N469xD Modules Model Connector Operating Port A and B Option Number Type Frequency -m- and -f- -m- and -m- -f- and -f- N4690D Type-N 50 ohm DC to 18 GHz (0DC) N4690D-M0F N4690D-M0M N4690D-F0F 300 kHz to 18 GHz (003) N4691D...

  • Page 22: N4432D And N4433D Modules (Microwave Four-Port)

    General Information Models and Options N4432D and N4433D Modules (Microwave Four-Port) ECal modules from this series are available with the connector types and frequency ranges shown in Table 1-1 on page 1-6. Mixed connector options allow you to configure the module with a different connector type at each port (as shown in Figure 1-2).
  • Page 23 General Information Models and Options Figure 1-15 Model N4433D Option 3.5 mm f and f shown Electronic Calibration Modules Reference Guide 1-15...
  • Page 24 General Information Models and Options Table 1-5 N4432D and N4433D Modules (All connectors are female) Model Operating Frequency Option Connector Type Port A, B, C, D Number N4433D 3.5 mm -f- DC to 26.5 GHz (0DC) 300 kHz to 26.5 GHz (003) N4432D Type-N 50Ω...

  • Page 25: Compatible Network Analyzers

    General Information Compatible Network Analyzers Compatible Network Analyzers ECal modules operate with the network analyzer models shown in Table 1-8. Not all ECal module and network analyzer combinations have the same features or capabilities. See your network analyzer user guide or online Help. Table 1-8 N755xA Compatible Network Analyzers Network...
  • Page 26 General Information Compatible Network Analyzers b. Compatible PNA instruments must have firmware version ≥A.10.49.07. c. Compatible ENA E5072A instruments must have firmware version ≥B.02.39. d. Compatible ENA E5071C instruments must have firmware version ≥B.13.29. e. Compatible ENA E5063A instruments must have firmware version ≥A.03.72. f.
  • Page 27 General Information Compatible Network Analyzers Table 1-9 N443xD Compatible Network Analyzers Network N4431D/32D ECal Module N4433D ECal Module Series Interface Analyzers Series Required PNA Network Analyzers N5221/2/4/5/7A&B N5231/2/4/5/9A&B N5241/2/4/5/7/9A&B ENA Network Analyzers E5072A E5071C E5063A E5061B E5080A E5080B PXIe Vector Network Analyzer Modules M980xA, M9370/1/2/3/4/5A, M9485A...
  • Page 28 General Information Compatible Network Analyzers g. Streamline Series USB-VNA instruments have no firmware revision restrictions. h. Compatible FieldFox Handheld instruments must have firmware version ≥A.10.2x (CPU2 units) and ≥A.08.19 (CPU1 units). i. The N9912A FieldFox does not support ECal. 1-20 Electronic Calibration Modules Reference Guide...
  • Page 29 General Information Compatible Network Analyzers Table 1-10 469xD Compatible Network Analyzers Network N469xD ECal Module Series Interface Analyzers Required PNA Network Analyzers N5221/2/4/5/7A&B N5231/2/4/5/9A&B N5241/2/4/5/7/9&B ENA Network Analyzers E5072A E5071C E5063A E5061B E5080A E5080B PXIe Vector Network Analyzer Modules M980xA, M9370/1/2/3/4/5A, M9485A Streamline Series USB-VNA Vector Network Analyzer Modules...
  • Page 30 General Information Compatible Network Analyzers d. Compatible ENA E5071C instruments must have firmware version ≥B.14.0x. (ENA E5061B, E5063A, E5071C, and E5072A series analyzers are not compatible with the N4693D and N4694D ECals.) e. Compatible ENA E5063A instruments must have firmware version ≥A.05.04. (ENA E5061B, E5063A, E5071C, and E5072A series analyzers are not compatible with the N4693D and N4694D ECals.) f.

  • Page 31: Service And Recertification

    Keysight provides a Utility that can be used to verify that your ECal module is performing as expected. Refer to “ECal Confidence Check –...

  • Page 32: Recertification Of Ecal Modules

    2. Each module is electrically tested on this system to the specification listed Chapter 5, “Specifications and Characteristics.” 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 module are traceable to NIST through Keysight Technologies.
  • Page 33 — a new set of S-parameter data (embedded in module memory) if the old set of S-parameters data no longer allows for a calibration that meets all performance specifications Keysight Technologies offers different types of calibration for the recertification of the module. For more information, contact Keysight. See “Contacting Keysight”...

  • Page 34: Safety And Regulatory Information

    General Information Safety and Regulatory Information Safety and Regulatory Information Review this section to familiarize yourself with safety markings and instructions before you operate the ECal module. This product has been designed and tested in accordance with international standards. The WARNING notice denotes a hazard. It calls attention to a procedure, practice, or the like, that, if not correctly performed or adhered to, could result in personal injury.

  • Page 35: Safety Notices

    General Information Safety and Regulatory Information Safety Notices Use a dry cloth or one slightly dampened with water to clean the external case parts. Do not attempt to clean internally. Instrument Markings Table 1-11 The instruction documentation symbol. The product is marked with this symbol when it is necessary for the user to refer to the instructions in the documentation.

  • Page 36: Compliance Notices

    General Information Safety and Regulatory Information Table 1-11 This symbol indicates compliance with China RoHS regulations for paper/fiberboard packaging. Compliance Notices This product has been designated and tested in accordance with accepted industry standards, and has been supplied in a safe condition. The documentation contains information and warnings that must be followed by the user to ensure safe operation and to maintain the product in a safe condition.
  • Page 37 European Low Voltage Directive is not applicable for these products. Declaration of Conformity A declaration of conformity for any of these ECal modules is available at http://www.keysight.com/go/conformity or by contacting Keysight - see “Contacting Keysight” on page 1-23. Electronic Calibration Modules Reference Guide...
  • Page 38 General Information Safety and Regulatory Information 1-30 Electronic Calibration Modules Reference Guide...

  • Page 39: Preparing Ecal For Use

    (see items listed in Table 2-2). If the case or any device appears damaged, or if the shipment is incomplete, contact Keysight. Keysight will arrange for repair or replacement of incomplete or damaged shipments without waiting for settlement from the transportation company. See “Contacting Keysight”...
  • Page 40 ECal Model and Serial Numbers on the Backside of the ECal Module The ECal kit serial number is intended for identification purposes whenever an ECal kit is returned to Keysight for repair or recertification. ECal Module Serial Number The serial number is located on the backside of the ECal module (refer to Figure 2-1).

  • Page 41: Record The Serial Number

    Equipment Required but Not Supplied Pin Depth Gages Gages for measuring recession or protrusion are not provided in the kit. See Chapter 6, “Replaceable Parts.” or contact Keysight to order gages and other test accessories. Electronic Calibration Modules Reference Guide...

  • Page 42: Kit Contents

    Preparing ECal for Use Kit Contents Kit Contents N755xA Series Kit Contents The following table lists the items in each N755xA kit. Table 2-2 N755xA Kit Contents Description Part No. N755xA N755xA, ECal Module South Korean Class A EMC Declaration 5061-7383 Calibration certificate 5962-0476...

  • Page 43: N4431D Series Kit Contents

    Preparing ECal for Use Kit Contents N4431D Series Kit Contents The following tables list the items in each N4431D kit. For the N4431D kit, Option 010 is configured with 3.5 mm -f- connectors on all ports and Option 020 is configured with type-N 50 ohm -f- connectors on all ports. See Table 1-3 on page 1-9 for other configurations available.

  • Page 44: N469Xd Seres Kit Contents

    Preparing ECal for Use Kit Contents N469xD Seres Kit Contents Table 2-6 N469xD Kit Contents Description Part No. N469xD N469xD, ECal Module South Korean Class A EMC Declaration 5061-7383 Calibration certificate 5962-0476 Foam cushion set 46.0x33.0x16.7-cm Density 9220-8171 Polyethylene China RoHS Addendum for Test 9320-6695 Accessories-RF and Microwave Finding Product Manual Sheet...

  • Page 45: N4432D And N4433D Series Kit Contents

    Preparing ECal for Use Kit Contents N4432D and N4433D Series Kit Contents The following tables list the items in each N4432D and N4433D kit. For the N4432D kit, Option 020 is configured with type-N 50 ohm -f- connectors on all ports.
  • Page 46 Preparing ECal for Use Kit Contents Table 2-9 N4433D Kit Contents Description Part No. N4433D Option 010 N4433D, ECal Module Calibration certificate 5962-0476 Torque Wrench 20 mm, 0.9 N-m 8710-1764 Torque Wrench 5/16”, 0.9 N-m 8710-1765 Wrench spanner N4431-20014 USB A-plug to micro-B plug Cable, 2 m 8121-2671 Quick Start Reference Guide N4431-90004...

  • Page 47: Options

    Preparing ECal for Use Options Options N755xA Options Where "x" represents the connector type (i.e., "N" for 50Ω Type-N and "3" for 3.5 mm: — Option xFF, configures the module with female-to-female connectors. — Option xMM, configures the module with male-to-male connectors. —...

  • Page 48: Operating And Safety Precautions

    Preparing ECal for Use Operating and Safety Precautions For more, refer to “N4432D and N4433D Modules (Microwave Four-Port)” on page 1-14 Operating and Safety Precautions Observe the following guidelines before connecting or operating your ECal module. ESD Damage Protection against electrostatic discharge (ESD) is important while handling and operating your ECal module.
  • Page 49 Preparing ECal for Use Operating and Safety Precautions ECal modules can be damaged if you apply excessive torque to the connectors. See Table 4-1 on page 4-21 for required torque settings. Electronic Calibration Modules Reference Guide 2-11...

  • Page 50: Input Power Level

    Preparing ECal for Use Operating and Safety Precautions Input Power Level Before performing a calibration, make sure the input power and DC levels do not exceed the values indicated in Table 2-10. Table 2-10 Input Power Limits Parameter ECal Module Series N755xA N469xD N4431/2/3D...

  • Page 51: Operating Ecal Module

    Keysight Electronic Calibration Modules RF/Microwave Two Port Reference Guide Operating ECal Module Setting Up a Calibration Use the following procedure as a starting point for calibrating the network analyzer with an ECal module. For more detailed information about adjusting the settings of your analyzer, refer to the appropriate user guide or online Help.
  • Page 52 Operating ECal Module Setting Up a Calibration Table 3-2 N443xD and N469xD Status LED Operation Status LED Color Description — ECal is not connected to an instrument or is malfunctioning. — See also, Figure “ECal Troubleshooting” on page 3-14. — ECal is warming up. Orange —...

  • Page 53: Required Procedure For All Calibrations (Pna And Pxie)

    Operating ECal Module Setting Up a Calibration Required Procedure for All Calibrations (PNA and PXIe) For all calibration types, complete the following steps: 1. Connect an ECal module to the analyzer having the appropriate frequency range and connector type. 2. Wait until LED turns green. 3.

  • Page 54: Required Procedure For All Calibrations (Fieldfox)

    10.Refer to the ENA User’s Guide or Online Help for more details on performing various types of 1-port calibrations. Refer to your instrument’s Online Help/User’s Guide on http://ww.keysight.com. 11.When the calibration is complete, remove the ECal module, and connect the DUT.
  • Page 55 ECal module, and connect the DUT. For more information on using an ECal module with the FieldFox, refer to the User’s Guide for your model on www.keysight.com. Excessive torque can damage ECal module connectors. See...

  • Page 56: Calibration Types Available

    Unknown THRU User-Characterization a. ECal calibrations are not supported on the N9912A. b. FieldFox user-characterizations must be performed on a PNA or ENA. Learn more about User Characterization at the PNA Help website: http://na.support.keysight.com/pna/help/latest/S3_- Cals/ECal_User_Characterization.htm Electronic Calibration Modules Reference Guide...

  • Page 57: When To Correct For Isolation

    Operating ECal Module Setting Up a Calibration When to Correct for Isolation Correction for isolation is a consideration when measuring high-loss devices such as saw filters or diplexers. When maximum dynamic range is required, correction for isolation can remove the errors due to crosstalk (between test ports) for transmission measurements.

  • Page 58: Calibration Methods For Non-Insertable Devices

    Operating ECal Module Setting Up a Calibration Calibration Methods for Non-Insertable Devices A “non-insertable” device means that the measurement ports cannot be connected together to establish a THRU connection during calibration for transmission. Because the module typically forms the THRU path, you can use one of the following methods to perform a calibration for non-insertable devices: Configure ECal Module the Same as Device...
  • Page 59 Operating ECal Module Setting Up a Calibration — Modify the state settings: allows you to specify the number of data points (1601 max.) or other stimulus settings the module uses to perform a calibration. When you perform a User-Characterization, the factory characterization data remains stored in the module’s memory.

  • Page 60: Finding More Information On Performing A Calibration

    Help key on the front panel of the network analyzer. — To view a user guide or Help file on the Internet, use the following steps: 1. Go to www.keysight.com. 2. Enter your analyzer model number (Ex: N5242A) in the search function and click Search.

  • Page 61: Validating A Calibration

    Keysight verification kit. Which method you choose depends largely on the level of accuracy required and the availability of a Keysight verification kit. ECal Confidence Check – Basic Validation of the Calibration It is recommended that the Confidence Check be performed after every calibration, to verify the device is still functioning as expected.

  • Page 62: System Verification Procedure - Traceable Accuracy Validation Of The Calibrated

    — Keysight recommends that upon receipt of a new ECal module, you perform the ECal Confidence Check and save the measurement results as a baseline for future reference.
  • Page 63 These kits include precision airlines, mismatch airlines, and precision fixed attenuators. — Each verification kit standard is measured precisely by Keysight’s accredited test laboratory. The measurement data and uncertainty of each standard are provided in each kit on a disk or USB storage drive.

  • Page 64: Ecal Troubleshooting

    Faulty USB cable Connect via a different USB cable. Faulty USB hub Connect ECal directly to a USB port on the instrument. Faulty ECal module Return to Keysight for service. Refer to Chapter 1 “Service and Recertification” on page 1-23. 3-14...
  • Page 65 Connect via a different USB cable. Faulty USB hub Connect ECal directly to a USB port on the instrument. Faulty ECal module Return to Keysight for service. Refer to Chapter 1 “Service and Recertification” on page 1-23. Electronic Calibration Modules Reference Guide...
  • Page 66 Operating ECal Module ECal Troubleshooting 3-16 Electronic Calibration Modules Reference Guide...

  • Page 67: Use, Maintenance, And Care Of The Devices

    Keysight Electronic Calibration Modules RF/Microwave Two Port Reference Guide Use, Maintenance, and Care of the Devices Electrostatic Discharge Protection against electrostatic discharge (ESD) is essential while connecting, inspecting, or cleaning devices attached to static-sensitive circuits (such as those found in network analyzers and ECal modules).
  • Page 68 Use, Maintenance, and Care of the Devices Electrostatic Discharge Figure 4-1 ESD Protection Using Mat, Wrist Strap, and Grounded Power Cord Electronic Calibration Modules Reference Guide...

  • Page 69: Visual Inspection

    Use, Maintenance, and Care of the Devices Visual Inspection Visual Inspection Visual inspection and, if necessary, cleaning should be done every time a connection is made. Metal particles from the connector threads may fall into the connector when it is disconnected. Devices with damaged connectors should immediately be discarded or clearly marked and set aside for repair.
  • Page 70 Use, Maintenance, and Care of the Devices Visual Inspection Figure 4-2 Type-N Connector Pin Depth and Mating Surfaces 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.

  • Page 71: Inspect Female Connectors

    Use, Maintenance, and Care of the Devices Inspect Female Connectors Inspect Female Connectors When using slotless connectors like the 3.5 mm or some Type-N 50 Ω female connectors, pay special attention to the contact fingers on the female center conductor. These can be bent or broken, and damage to them is not always easy to see.

  • Page 72: Cleaning Connectors

    Use, Maintenance, and Care of the Devices Cleaning Connectors Cleaning Connectors Clean connector interfaces prolong connector life and produce more accurate and repeatable measurements. Always use protective eyewear when using compressed air or nitrogen. The following cleaning procedure can be used for most coaxial connectors. Cleaning Coax Connectors 1.

  • Page 73: Cleaning 7 Mm Connectors

    Use, Maintenance, and Care of the Devices Cleaning Connectors 2. Clean the Connector Threads Use ONLY isopropyl alcohol to clean connector surfaces. Any other solvent may damage the insulators, support beads, and seals in the connector. Never immerse the connector in solvents of any kind. The solvent can become trapped within the assembly and cause SWR, phase, and insertion loss problems.
  • Page 74 Use, Maintenance, and Care of the Devices Cleaning Connectors 2. Dispense a drop or two of isopropyl alcohol in the center of the cloth. 3. Retract the connector sleeve threads to expose the connector interface. 4. Gently press the contact end of the connector into the moistened cloth and rotate the connector.

  • Page 75: 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 ECal module test ports. Do not use the gages for precise pin depth measurements.

  • Page 76: When To Gage Connectors

    Use, Maintenance, and Care of the Devices Gaging Connectors When to Gage Connectors Gage a connector at the following times: — Prior to using an ECal module for the first time: record the pin depth measurement so that it can be compared with future readings. This serves as a good troubleshooting tool when you suspect damage may have occurred to the device.
  • Page 77 Use, Maintenance, and Care of the Devices Gaging Connectors When making a measurement, the gage dial indicator will travel in one of two directions. If the center conductor is recessed from the zero reference plane, the indicator will move counterclockwise to determine the amount of recession, which is read as a negative value.
  • Page 78 Use, Maintenance, and Care of the Devices Gaging Connectors Figure 4-4 Typical Gage: Type-N Connectors 4-12 Electronic Calibration Modules Reference Guide...
  • Page 79 Use, Maintenance, and Care of the Devices Gaging Connectors Figure 4-5 Typical Gage: 7 mm Connectors Electronic Calibration Modules Reference Guide 4-13...

  • Page 80: Gaging Procedures

    Use, Maintenance, and Care of the Devices Gaging Connectors Gaging Procedures For 7 mm connectors, you must remove the collet with the collet extractor tool prior to performing pin depth measurements. Zeroing Connector Gages For Type-N gages, the paired gage master is labeled with an offset value to compensate for its inaccuracy with its gage.
  • Page 81 Use, Maintenance, and Care of the Devices Gaging Connectors Gaging Technique 1. Connect and torque the device being measured to the gage. 2. Gently tap the barrel of the gage with your finger to settle the gage reading. 3. Type-N and 7 mm: Read the gage indicator dial. If the needle has moved clockwise, the center conductor is protruding by an amount indicated by the black numbers.
  • Page 82 Use, Maintenance, and Care of the Devices Gaging Connectors Gaging Technique–7 mm Gage You must remove the collet with the collet extractor tool prior to performing pin depth measurements. Figure 4-6 Using a 7 mm Gage While performing pin depth measurements, use different orientations of the gage with the connector.

  • Page 83: Making Connections

    Use, Maintenance, and Care of the Devices Making Connections Making Connections Good connections are essential for accurate calibrations and measurements and require a skilled operator. The most common cause of measurement error is poor connections. 1.85 mm, 3.5 mm, 2.4 mm, 2.92 mm, and Type-N Devices 1.

  • Page 84: Final Connection Using A Torque Wrench

    Use, Maintenance, and Care of the Devices Making Connections 4. As you bring one connector up to the other, and as you make the actual connection, be sure the connectors align perfectly. 5. Push the connectors straight together. Do not twist or screw them together.
  • Page 85 Use, Maintenance, and Care of the Devices Making Connections Figure 4-7 Wrench Positions Electronic Calibration Modules Reference Guide 4-19...
  • Page 86 Use, Maintenance, and Care of the Devices Making Connections 3. Hold the torque wrench lightly, at the end of the handle only (beyond the groove). See Figure 4-8. Figure 4-8 Using the Torque Wrench 4. Carefully align the connectors. As you make the actual connection, be sure the connectors align perfectly.

  • Page 87: Separating Connections

    ±13.5 N-cm (±1.2 in-lb) a. Many older Keysight calibration module manuals list different torque tolerances for the various torque wrenches. The correct torque tolerance for Keysight torque wrenches is ±10% of the torque setting as listed in this table. Separating Connections To avoid lateral (bending) force on the connector mating plane surfaces, always support the devices and connections.

  • Page 88: Handling And Storage

    — Never store connectors loose in a box, in a desk, or in a bench drawer. This is the most common cause of connector damage during storage. Keysight recommends that you purchase the optional ECal Storage Box (not included with an ECal kit).

  • Page 89: Ecal Kit Storage Box (Option 150) - (N755Xa Only)

    The ECal kit storage box is not designed for shipping. Please retain the original shipping container to ship the ECal module and accessories back to Keysight for repair and recertification.
  • Page 90 Use, Maintenance, and Care of the Devices ECal Kit Storage Box (Option 150) – (N755xA Only) Figure 4-9 ECal Kit Ruggedized Plastic Storage Box (Option 150) 4-24 Electronic Calibration Modules Reference Guide...

  • Page 91: Specifications And Characteristics

    Reference Guide Specifications and Characteristics Specifications: Terminology and Definitions The following terms and definitions apply to Keysight’s N755xA series of ECal modules. The definitions are specific to these modules and are not necessarily valid definitions for other Keysight Technologies products.

  • Page 92: Environmental Specifications

    Environmental Specifications Samples of this product have been type-tested in accordance with the Keysight Environmental Test Manual and verified to be robust against the environmental stresses of storage, transportation and end-use; those stresses include but are not limited to temperature, humidity, shock, vibration, and power-line conditions.

  • Page 93: Electrical Specifications

    Specifications and Characteristics Electrical Specifications Electrical Specifications Electrical performance for RF and microwave ECal modules are provided in the following tables, which describe warranted performance that most units exhibit. ECal modules reflection parameter performance applies to each of the ports. N755xA Series Table 5-3 Electrical Performance for N755xA (3.5 mm) Parameter...

  • Page 94: N4431D (3.5 Mm)

    Specifications and Characteristics Electrical Specifications N4431D (3.5 mm) The electrical performance in the following table applies to N4431D Option 010 (3.5 mm female connectors on all ports). Table 5-5 Electrical Performance for N4431D Option 010 Parameter Frequency Range DC to 10 MHz 10 MHz to 5 GHz 5 GHz to 9 GHz 9 GHz to 13.5 GHz Directivity (dB)

  • Page 95: N4431D (7-16)

    Specifications and Characteristics Electrical Specifications N4431D (7-16) The electrical performance in the following table applies to N4431D (if any of the ports consist of 7-16 connector). Table 5-7 Electrical Performance for N4431D (m/f 7–16 connectors) Parameter Frequency Range DC to 10 MHz 10 MHz to 5 GHz 5 GHz to 7.5 GHz Directivity (dB) Source Match (dB) 36...

  • Page 96: N4432D (Type-N 50 Ω)

    Specifications and Characteristics Electrical Specifications N4432D (Type-N 50 Ω) The electrical performance in the following table applies to N4432D Option 020 (Type-N 50 Ω female connectors on all ports). Table 5-9 Electrical Performance for N4432D Option 020 Parameter Frequency Range DC to 300 kHz to 10 MHz to...

  • Page 97: N469Xd Series

    Specifications and Characteristics Electrical Specifications N469xD Series Table 5-11 Electrical Performance for N4690D (Type-N 50Ω) Parameter Frequency Range DC to 2 MHz to 300 kHz 2 MHz 10 MHz to 500 MHz 2 GHz 10 GHz 500 MHz to 2 GHz to 10 GHz to 18 GHz to 10 MHz...
  • Page 98 Specifications and Characteristics Electrical Specifications Table 5-13 Electrical Performance for N4692D (2.92 mm) Parameter Frequency Range DC to 10 MHz 45 MHz 200 MHz 2 GHz 20 GHz 30 GHz to 2 GHz to 20 GHz to 30 GHz to 40 GHz 45 MHz 200 MHz 45 MHz...
  • Page 99 Specifications and Characteristics Electrical Specifications Table 5-15 Electrical Performance for N4694D (1.85 mm) Parameter Frequency Range DC to 10 MHz 45 MHz 200 MHz 2 GHz 20 GHz 30 GHz 40 GHz 50 GHz 60 GHz to 2 GHz 45 MHz 200 MHz 20 GHz 30 GHz...

  • Page 100: Characteristic Performance

    Specifications and Characteristics Characteristic Performance Characteristic Performance Characteristic performance for RF and microwave ECal modules are provided in the following tables, which describe non-warranted performance that most units exhibit. N755xA Series Table 5-17 Characteristic Performance for N755xA (3.5 mm) Parameter Frequency Range 500 MHz DC to...

  • Page 101: N4431D (3.5 Mm)

    Specifications and Characteristics Characteristic Performance N4431D (3.5 mm) The characteristic performance in the following table applies to N4431D Option 010 (3.5 mm female connectors on all ports). The data describes performance when measuring “thru path” A-B, C-D, A–D, A-D, B–C, and B-D. Table 5-19 Characteristic Performance for N4431D Option 010 Parameter Frequency Range...

  • Page 102: N4431D (7-16)

    Specifications and Characteristics Characteristic Performance N4431D (7-16) The characteristic performance in if any of the following table applies to N4431D ( the ports consist of 7-16 connector ). The data describes performance when ath” A-B, C-D, A–D, A-D, B–C, and B-D. measuring “thru p Table 5-21 Characteristic Performance for N4431D (m/f 7–16 connectors) Parameter...

  • Page 103: N4432D (Type-N 50 Ω - Microwave)

    Specifications and Characteristics Characteristic Performance N4432D (Type-N 50 Ω – Microwave) The characteristic performance in the following table applies to N4432D Option 020 (Type-N female connectors on all ports). The data describes performance when measuring “thru path” A-B, C-D, A–D, A-D, B–C, and B-D. Table 5-23 Characteristic Performance for N4432D Option 020 Parameter Frequency Range...

  • Page 104: N469Xd Series

    Specifications and Characteristics Characteristic Performance N469xD Series Table 5-25 Characteristic Performance for N4690D (Type-N 50Ω) Parameter Frequency Range 300 kHz 2 MHz DC to 2 MHz to 10 MHz to 500 MHz 2 GHz 10 GHz to 10 MHz 500 MHz to 2 GHz to 10 GHz to 18 GHz...
  • Page 105 Specifications and Characteristics Characteristic Performance Table 5-27 Characteristic Performance for N4692D (2.92 mm) Parameter Frequency Range DC to 10 MHz 45 MHz 200 MHz 2 GHz 20 GHz 30 GHz to 2 GHz to 20 GHz to 30 GHz to 40 GHz 45 MHz 200 MHz 45 MHz...
  • Page 106 Specifications and Characteristics Characteristic Performance Table 5-29 Characteristic Performance for N4694D (1.85 mm) Parameter Frequency Range DC to 10 MHz 45 MHz 200 MHz 2 GHz 20 GHz 30 GHz 40 GHz 50 GHz 60 GHz to 2 GHz 45 MHz 200 MHz 20 GHz 30 GHz...

  • Page 107: Mechanical Characteristics

    They are, however, important supplemental characteristics related to the electrical performance of devices. Keysight Technologies verifies the mechanical characteristics of the devices with special gaging processes and electrical testing. These processes ensure that the device connectors do not exhibit any excess center conductor protrusion or improper pin depth when the module leaves the factory.
  • Page 108 Specifications and Characteristics Mechanical Characteristics Figure 5-1 Pin Depth for a 3.5 mm Connectors Figure 5-2 Pin Depth for a 4.3–10 Connectors 5-18 Electronic Calibration Modules Reference Guide...

  • Page 109: Type-N Characteristics

    Specifications and Characteristics Mechanical Characteristics Figure 5-3 Pin Depth for a 7–16 Connectors Type-N Characteristics With Type-N connector, the shoulder position of the male contact pin (not the position of the tip) defines the position of the center conductor. The male contact pin slides into the female contact fingers;...
  • Page 110 — Maximum recession of the shoulder of the male contact pin behind the outer conductor mating plane is 5.334 mm or 0.210 inches. In the Keysight precision specification for Type-N connectors, the minimum allowable recession for the male contact pin shoulder is 0.001 inches less than in the MIL-C-39012, Class II specification.

  • Page 111: Typical Pin Depth Values

    Specifications and Characteristics Typical Pin Depth Values Typical Pin Depth Values The pin depth value of each device is not specified, but is an important mechanical parameter. The electrical performance of the device depends, to some extent, on its pin depth. The electrical specifications for each module takes into account the effect of pin depth on the device’s performance.
  • Page 112 Specifications and Characteristics Typical Pin Depth Values Table 5-32 4.3-10 Connector Pin Depth Characteristics Device Typical Pin Depth Observed Pin Depth Limits Measurement Uncertainty in Millimeters in Millimeters in Millimeters –4 –4 inches) inches) –4 inches) 4.3-10 mm ECal Module –0.0000 to –0.1000 +0.0041 to –0.0041 +0.0041 to –0.1041...
  • Page 113 Specifications and Characteristics Typical Pin Depth Values Table 5-35 2.4 mm Connector Pin Depth Characteristics Device Typical Pin Depth Observed Pin Depth Limits Measurement Uncertainty in Millimeters in Millimeters in Millimeters –4 –4 inches) inches) –4 inches) 2.4 mm ECal Module (N4693D) –0.0025 to –0.0152 +0.0030 to –0.0030 +0.0005 to –0.0182 (–1.0 to –6.0)
  • Page 114 Specifications and Characteristics Typical Pin Depth Values Table 5-38 7-16 Connector Pin Depth Characteristics Device Typical Pin Depth Observed Pin Depth Limits Measurement Uncertainty in Millimeters in Millimeters in Millimeters –4 –4 inches) inches) –4 inches) 7–16 ECal Module (N4431D) –0.0000 to –0.0381 +0.0038 to –0.0038 +0.0038 to –0.0419...

  • Page 115: Supplemental Mechanical Characteristics

    Specifications and Characteristics Supplemental Mechanical Characteristics Supplemental Mechanical Characteristics Table 5-39 N755xA Series Mechanical Characteristics Characteristic Limits Net weight with case Standard 0.8 kilograms (1.8 lbs) Shipping weight Standard 1.6 kilograms (3.5 lbs) Shipping dimensions Length 45.0 cm (17.7inches) Width 28.0 cm (11.0 inches) Height 15.0 cm (5.9 inches)

  • Page 116: Mechanical Dimensions Of The Modules

    Specifications and Characteristics Supplemental Mechanical Characteristics Mechanical Dimensions of the Modules N755xA Mechanical Dimensions (mm) Figure 5-5 N755xA Modules (2-Port) - Type N Male/Female 5-26 Electronic Calibration Modules Reference Guide...
  • Page 117 Specifications and Characteristics Supplemental Mechanical Characteristics Figure 5-6 N7555A Modules (2-Port) — 3.5 mm Male/Female Electronic Calibration Modules Reference Guide 5-27...
  • Page 118 Specifications and Characteristics Supplemental Mechanical Characteristics Figure 5-7 N755xA Modules (2-Port) — Side View 5-28 Electronic Calibration Modules Reference Guide...
  • Page 119 Specifications and Characteristics Supplemental Mechanical Characteristics N443xD Mechanical Dimensions (mm) Figure 5-8 N4431/3D Modules (2-Port) — Type-N Female Type-N Female/Female Electronic Calibration Modules Reference Guide 5-29...
  • Page 120 Specifications and Characteristics Supplemental Mechanical Characteristics Figure 5-9 N443xD Modules (4-Port) - 3.5 mm Female 3.5 mm Female/Female 5-30 Electronic Calibration Modules Reference Guide...
  • Page 121 Specifications and Characteristics Supplemental Mechanical Characteristics Figure 5-10 N443xD Modules (4-Port) — Type-N Side View Figure 5-11 N443xD Modules (4-Port) — Type-N Bottom View Electronic Calibration Modules Reference Guide 5-31...
  • Page 122 Specifications and Characteristics Supplemental Mechanical Characteristics Figure 5-12 N443xD Modules (4-Port) — 3.5 mm Side View Figure 5-13 N443xD Modules (4-Port) — 3.5 mm Bottom View 5-32 Electronic Calibration Modules Reference Guide...
  • Page 123 Specifications and Characteristics Supplemental Mechanical Characteristics N4690D Mechanical Dimensions (mm) Figure 5-14 N4690D Modules (2-Port) - Type N Male/Female Electronic Calibration Modules Reference Guide 5-33...
  • Page 124 Specifications and Characteristics Supplemental Mechanical Characteristics Figure 5-15 N4691D Modules (2-Port) — 3.5 mm Male/Female 5-34 Electronic Calibration Modules Reference Guide...
  • Page 125 Specifications and Characteristics Supplemental Mechanical Characteristics Figure 5-16 N4692D Modules (2-Port) — 2.92 mm Male/Female 2.92 MALE/FEMALE Electronic Calibration Modules Reference Guide 5-35...
  • Page 126 Specifications and Characteristics Supplemental Mechanical Characteristics Figure 5-17 N4693D Modules (2-Port) — 2.4 mm Male/Female 20.65 2.4 MALE/FEMALE 5-36 Electronic Calibration Modules Reference Guide...
  • Page 127 Specifications and Characteristics Supplemental Mechanical Characteristics Figure 5-18 N4694D Modules (2-Port) — 1.85 mm Male/Female 1.85 MALE/FEMALE Electronic Calibration Modules Reference Guide 5-37...
  • Page 128 Specifications and Characteristics Supplemental Mechanical Characteristics Figure 5-19 N4696D Modules (2-Port) — 7 mm sexless Male/sexless Female 7 SEXLESS MALE/ SEXLESS FEMALE 5-38 Electronic Calibration Modules Reference Guide...
  • Page 129 Specifications and Characteristics Supplemental Mechanical Characteristics Figure 5-20 N469xD Modules (2-Port) — Side View Electronic Calibration Modules Reference Guide 5-39...

  • Page 130: Measurement Uncertainty Calculator

    Download the Vector Network Analyzer Uncertainty Calculator You can download a program from Keysight that provides the measurement uncertainty associated with your vector network analyzer measurement and ECal module. Go to www.keysight.com/find/na_calculator and follow the instructions on the Web site to download the program.

  • Page 131: Replaceable Parts

    Keysight provides a Utility that can be used to verify that your ECal module is performing as expected. Refer to “ECal Confidence Check – Basic Validation of the Calibration”...

  • Page 132: Type-N (50 Ohm) Modules And Accessories

    Replaceable Parts Type-N (50 ohm) Modules and Accessories Type-N (50 ohm) Modules and Accessories Table 6-1 Type-N Modules and Accessories Part Number Description Adapters (added with Option 00A – N469xD only) Type-N (50 Ω) -f- to -f- adapter 85054-60037 Type-N (50 Ω) -m- to -m- adapter 85054-60038 Protective End Caps N7550-40004...

  • Page 133: 1.85 Mm Modules And Accessories

    Replaceable Parts 1.85 mm Modules and Accessories 1.85 mm Modules and Accessories Table 6-2 1.85 mm Modules and Accessories Part Number Description Adapters (added with Option 00A – N469xD only) 1.85 mm -f- to -f- adapter 85058-60114 1.85 mm -m- to -m- adapter 85058-60113 Protective End Caps as required...

  • Page 134: 2.4 Mm Modules And Accessories

    Replaceable Parts 2.4 mm Modules and Accessories 2.4 mm Modules and Accessories Table 6-3 2.4 mm Modules and Accessories Part Number Description Adapters (added with Option 00A – N469xD only) 2.4 mm -f- to -f- adapter 85052-60012 2.4 mm -m- to -m- adapter 85052-60014 Protective End Caps N7550-40001...
  • Page 135 Replaceable Parts 2.92 mm Modules and Accessories 2.92 mm Modules and Accessories Table 6-4 2.92 mm Modules and Accessories Part Number Description Adapters (added with Option 00A – N469xD only) 2.92 mm female to female adapter N4692-60022 2.92 mm male to male adapter N4692-60021 Protective End Caps N7550-40001...
  • Page 136 Replaceable Parts 3.5 mm Modules and Accessories 3.5 mm Modules and Accessories Table 6-5 3.5 mm Modules and Accessories Part Number Description Adapters (added with Option 00A – N469xD only) 3.5 mm -f- to -f- adapter 85052-60012 3.5 mm -m- to -m- adapter 85052-60014 Protective End Caps N7550-40001...

  • Page 137: Mm Modules And Accessories

    Replaceable Parts 4.3-10 Modules and Accessories 4.3-10 Modules and Accessories Table 6-6 4.3–10 Modules and Accessories Part Number Description Miscellaneous Electronic calibration module reference guide (online) N7550-90002 USB cable A to B, 2 meter 8121-2671 Wrench–Torque 22 mm, 12 in-lb 8710–2811 Replacement ruggedized plastic storage box for the ECal module and 1540-2355 –...

  • Page 138: Mm Modules And Accessories

    Replaceable Parts 7 mm Modules and Accessories 7 mm Modules and Accessories Table 6-7 7 mm Modules and Accessories Part Number Description Protective End Caps 7 mm connector cap 1401-0249 Gages 7 mm pin-depth gage 85050-80012 Other Electronic calibration module reference guide (online) N7550-90002 USB cable A to B, 2 meter 8121-2671...

  • Page 139: 7-16 Modules And Accessories

    Replaceable Parts 7-16 Modules and Accessories 7-16 Modules and Accessories Table 6-8 7–16 Modules and Accessories Part Number Description Miscellaneous Electronic calibration module reference guide (online) N7550-90002 USB cable A to B, 2 meter 8121-2671 Tool–hand and miscellaneous hard chrome–finish 8710–2174 Torque–Wrench 2.26 N–m 1–1/16 in hard-chrome finish 8710–2175...

  • Page 140: Other Ecal Accessories

    1540-2345 – Refer Replacement ruggedized plastic storage box for the ECal module and accessories Table 1-4, “N469xD Modules”, on page 1-13. a. Keysight can no longer safely ship isopropyl alcohol, so customers should purchase it locally. 6-10 Electronic Calibration Modules Reference Guide...
  • Page 142 This information is subject to change without notice. © Keysight Technologies 2008-2020 Edition 1, March 2020 www.keysight.com...

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