Keysight Technologies X Series User Manual
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Keysight Technologies X Series User Manual

Keysight Technologies X Series User Manual

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Keysight M1971 Series Harmonic
Mixer
This manual provides documentation for use with the
X-Series Signal Analyzer.
User's Guide

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Summary of Contents for Keysight Technologies X Series

  • Page 1 Keysight M1971 Series Harmonic Mixer This manual provides documentation for use with the X-Series Signal Analyzer. User’s Guide...
  • Page 2 DOCUMENT IS PROVIDED “AS IS,” sition Regulation (“FAR”) 2.101. Pursu- AND IS SUBJECT TO BEING © Keysight Technologies 2015 - 2016 ant to FAR 12.212 and 27.405-3 and CHANGED, WITHOUT NOTICE, IN No part of this manual may be repro- Department of Defense FAR Supple- FUTURE EDITIONS.

  • Page 3: Warranty

    This Keysight Technologies instrument product is warranted against defects in material and workmanship for a period of one year from the date of shipment. During the warranty period, Keysight Technologies will, at its option, either repair or replace products that prove to be defective.

  • Page 4: Compliance Notices And Regulatory Information

    Compliance Notices and Regulatory Information Compliance with electromagnetic compatibility (EMC) This product conforms with the protection requirements of EMC Directive (2014/ 30/EU) for Electromagnetic Compatibility. The product complies to the EMC Directive by assessment according to the IEC/ EN61326-1 EMC standard. In order to preserve the EMC performance of the product, any cable which becomes worn or damaged must be replaced with the same type and specifications.

  • Page 5: Waste Electrical And Electronic Equipment (Weee) Directive 2002/96/ Ec

    Waste Electrical and Electronic Equipment (WEEE) Directive 2002/ 96/EC This instrument complies with the WEEE Directive (2002/96/EC) marking requirement. This affixed product label indicates that you must not discard this electrical or electronic product in domestic household waste. Product category With reference to the equipment types in the WEEE directive Annex 1, this instrument is classified as a “Monitoring and Control Instrument”...

  • Page 6: Sales And Technical Support

    Sales and Technical Support To contact Keysight for sales and technical support, refer to the support links on the following Keysight websites: – www.keysight.com/find/smartmixers – www.keysight.com/find/pxa – www.keysight.com/find/uxa – www.keysight.com/find/mxa – www.keysight.com/find/exa (product-specific information and support, software and documentation updates) –...

  • Page 7: Table Of Contents

    Table of Contents Warranty ..........3 Where to Find the Latest Information .
  • Page 8 Avoiding waveguide flange damage ......25 Mixer waveguide connections ......25 Using the M1971 Series Mixer with the N9030A/B, N9020A/B, and N9010A/B Signal Analyzers (Option EXM) .
  • Page 9 Physical Characteristics ........54 Environmental Specifications .
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  • Page 11 List of Figures Figure 1-1 M1971 Series mixer overview ....18 Figure 1-2 M1971 Series mixer side view ....18 Figure 2-1 External mixer setup screen (from the PXA spectrum ana- lyzer display)
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  • Page 13 List of Tables Table 1-1 Standard shipped items ......17 Table 1-2 Instrument options ......19 Table 1-3 Option EXM retrofit for N9030A/B .
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  • Page 15 Keysight M1971 Series Harmonic Mixer User’s Guide Overview Description Initial Inspection Mixers Covered by This Guide Instrument Options Spectrum Analyzer Retrofit Requirements This chapter provides an overview of the Keysight M1971 Series Harmonic Mixer.

  • Page 16: Overview

    Overview Description The Keysight M1971E/V/W Harmonic Mixer is an un-preselected mixer that is used to extend the frequency range of the Keysight X-Series signal analyzer for high-frequency wireless and millimeter wave applications. With emphasis on ease-of-use, the embedded features of the mixer will automatically transfer the conversion loss data from the mixer memory to the signal analyzer through the USB plug-and-play feature.

  • Page 17: Initial Inspection

    – Contact the nearest Keysight Technologies office. – Keep the shipping materials for the carrier’s inspection. – If you must return the instrument to Keysight Technologies, use the original (or comparable) shipping materials. See “Returning a M1971 Series Mixer for Service”...

  • Page 18: Mixers Covered By This Guide

    Overview Mixers Covered by This Guide – M1971E Option 001: 60 to 90 GHz waveguide harmonic mixer – M1971E Option 003: 55 to 90 GHz waveguide harmonic mixer – M1971V: 50 to 75 GHz waveguide harmonic mixer – M1971W: 75 to 110 GHz waveguide harmonic mixer Serial numbers A serial number label is attached to your mixer that shows the serial number and country of manufacture.

  • Page 19: Instrument Options

    Overview Instrument Options The following options are available: Table 1-2 Instrument options Option number Description M1971E/V/W-101 Cable, SMA, 1 meter M1971E/V/W-102 Cable, SMA, 3 meters M1971E/V/W-201 Cable, USB, 1.8 meters M1971E/V/W-202 Cable, USB, 3 meters M1971E/V/W-301 Jackstand Keysight M1971 Series User’s Guide...

  • Page 20: Spectrum Analyzer Retrofit Requirements

    Overview Spectrum Analyzer Retrofit Requirements N9040B signal analyzer The N9040B is fully hardware-compliant since option EXM is standard. The N9040B software revision must be A.16.05 or later for use with E band NOTE mixers. The N9040B software revision must be A.18.01 or later for use with V or W band mixers.

  • Page 21: N9020A/B Signal Analyzer (Requires Option Exm And Windows 7)

    Overview N9020A/B signal analyzer (requires Option EXM and Windows 7) Instruments without Option EXM currently installed can be retrofitted to add the hardware and licensing. To retrofit Option EXM: Table 1-4 Option EXM retrofit for N9020A/B Serial number prefix Model <...
  • Page 22 Overview THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight M1971 Series User’s Guide...
  • Page 23 Keysight M1971 Series Harmonic Mixer User’s Guide Operation Operating Precautions Using the M1971 Series Mixer with the N9030A/B, N9020A/B, and N9010A/B Signal Analyzers (Option EXM) Using the M1971 Series Mixer with the N9040B Signal Analyzer This chapter provides the operating information for the M1971 Series Harmonic Mixer.

  • Page 24: Operation

    Operation Operating Precautions Do not exceed the maximum ratings listed below or permanent damage to WARNING the mixer will result. RF input power Use the following parameters: – CW: No greater than 20 dBm – Peak pulse: No greater than 24 dBm at <1 μs pulse width See the gain compression values for each model mixer.

  • Page 25: Waveguide Protection Foam

    Operation Waveguide protection foam Do not remove, displace, or damage the non-conductive foam installed in the open end of the waveguide. This foam keeps small objects from entering the waveguide. Provide mechanical support for the mixer Assure the mixer body is properly supported so it does not present any stress on the waveguide connection.

  • Page 26: Using The M1971 Series Mixer With The N9030A/B, N9020A/B, And N9010A/B Signal Analyzers (Option Exm)

    Operation Using the M1971 Series Mixer with the N9030A/B, N9020A/B, and N9010A/B Signal Analyzers (Option EXM) Refer to “Spectrum Analyzer Retrofit Requirements” on page 20 for the configuration requirements. The following examples explain how to connect the external mixer to the signal analyzer, and how to use the signal-identification functions.
  • Page 27 Operation Table 2-1 Equipment setup for the M1971 Series mixer and the N9030A/B, N9020A/B, and N9010A/B signal analyzers (Option EXM) (continued) Action Notes Step The spectrum analyzer performs an LO alignment using a detector in the mixer to set the LO Power. During the alignment the yellow Busy LED turns on.

  • Page 28: Operation

    Operation Operation Table 2-2 Operation of the M1971 Series mixer and the N9030A/B, N9020A/B, and N9010A/B signal analyzers (Option EXM) Step Action Notes a. Apply a signal to the mixer input. — Multiple responses may appear on screen. Most of these responses are images or multiples of the Tune the analyzer b.
  • Page 29 Operation Table 2-2 Operation of the M1971 Series mixer and the N9030A/B, N9020A/B, and N9010A/B signal analyzers (Option EXM) (continued) Step Action Notes This enables you to identify true signals from a. Press Input/Output, External Mixer, Signal ID images and harmonics. Refer to the following Turn on the signal identification function.

  • Page 30: Automatic Correction

    Operation Automatic correction The M1971 Series mixer automatically downloads a conversion loss file (magnitude and phase information) to the signal analyzer, and this conversion loss table is used to correct the measured amplitude. It is not possible to view or edit the conversion loss file.

  • Page 31: Signal Id

    Operation Figure 2-1 External mixer setup screen (from the PXA spectrum analyzer display) Signal ID Image Suppress The Image Suppress mode of Signal ID mathematically removes all image and multiple responses of signals present at the mixer input. Two hidden sweeps are taken in succession.
  • Page 32 Operation In the Image Suppress mode, synchronization is ensured by first turning off Signal ID, initiating a single sweep, then turning on Signal ID followed by two single sweeps. Image Shift Like the Image Suppress mode, Image Shift is a two sweep sequence. The data from the first sweep is placed in Trace 1 and the data from the second (LO frequency shifted by 2*IF/N) sweep is placed in Trace 2.

  • Page 33: Equipment Setup (Mixer's Path Aux Equipment)

    Operation Equipment setup (mixer’s path Aux equipment) Table 2-3 Equipment setup for the M1971 Series mixer’s path AUX and the N9030A/B, N9020A/B, and N9010A/B signal analyzers (Option EXM) Action Notes Step The torque for the SMA cables and adapters should not exceed 8 in-lbs. a.

  • Page 34: Using The M1971 Series Mixer With The N9040B Signal Analyzer

    Operation Using the M1971 Series Mixer with the N9040B Signal Analyzer Refer to “Spectrum Analyzer Retrofit Requirements” on page 20 for the configuration requirements. The following examples explain how to connect the external mixer to the signal analyzer, and how to use the signal-identification functions. For additional information regarding use with a particular X-Series analyzer, refer to that analyzer's User's and Programmer's Reference Guide.
  • Page 35 Operation Table 2-4 Equipment setup for the M1971 Series mixer and the N9040B signal analyzer (continued) Action Notes Step The spectrum analyzer performs an LO alignment using a detector in the mixer to set the LO Power. During the alignment the yellow Busy LED turns on. Once the alignment completes, the mixer is ready to make calibrated measurements since the conversion loss values stored in the mixer are automatically loaded to the signal analyzer.

  • Page 36: Operation

    Operation Operation Table 2-5 Operation of the M1971 Series mixer and the N9040B signal analyzer Step Action Notes a. Apply a signal to the mixer input. — Multiple responses may appear on screen. Most of these responses are images or multiples of the mixing process and b.
  • Page 37 Operation Table 2-5 Operation of the M1971 Series mixer and the N9040B signal analyzer (continued) Step Action Notes With wide spans, a. Press the Sweep hardkey and tap increasing the number of The screen image above shows the UXA spectrum analyzer sweep points may Sweep Config.

  • Page 38: Automatic Correction

    Operation Automatic correction The M1971 Series mixer automatically downloads a conversion loss file (magnitude and phase information) to the signal analyzer, and this conversion loss table is used to correct the measured amplitude. It is not possible to view or edit the conversion loss file.

  • Page 39: Signal Id

    Operation Figure 2-2 External mixer setup screen (from the UXA spectrum analyzer display) Signal ID Image Suppress The Image Suppress mode of Signal ID mathematically removes all image and multiple responses of signals present at the mixer input. Two hidden sweeps are taken in succession.
  • Page 40 Operation In the Image Suppress mode, synchronization is ensured by first turning off Signal ID, initiating a single sweep, then turning on Signal ID followed by two single sweeps. Image Shift Like the Image Suppress mode, Image Shift is a two sweep sequence. The data from the first sweep is placed in Trace 1 and the data from the second (LO frequency shifted by 2*IF/N) sweep is placed in Trace 2.

  • Page 41: Equipment Setup (Mixer's Path Aux Equipment)

    Operation Equipment setup (mixer’s path Aux Equipment) Table 2-6 Equipment setup for the M1971 Series mixer’s path AUX and the N9040B Action Notes Step The torque for the SMA cables and adapters should not exceed 8 in-lbs. a. Connect an SMA cable The LO/IF connection between the mixer and the signal analyzer must be in place 1.

  • Page 42: Operation

    Operation Operation Table 2-7 Operation of the M1971 Series mixer’s path AUX Equipment Step Action Notes Press Input/Output, External Mixer, Mixer Path, and choose Normal. This is because starting in a. Choose the Normal path. the Normal path allows you to see the signal on the analyzer screen which makes the initial setup easier.
  • Page 43 Operation Table 2-7 Operation of the M1971 Series mixer’s path AUX Equipment (continued) Step Action Notes The screen image below shows the Aux output of the mixer displayed on an external analyzer. The "View" the signal on analyzer center frequency corresponds to the the external spectrum user set IF Frequency.
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  • Page 45 Keysight M1971 Series Harmonic Mixer User’s Guide Troubleshooting and Maintenance Troubleshooting Error Messages Maintenance Returning a M1971 Series Mixer for Service This chapter guides you on how to troubleshoot and maintain the M1971 Series Harmonic Mixer. The M1971 Series mixer is not field-repairable, and requires return to CAUTION Keysight for both repair and calibration.

  • Page 46: Troubleshooting And Maintenance Troubleshooting

    Troubleshooting and Maintenance Troubleshooting Table 3-1 Troubleshooting procedure Problem Possible cause/troubleshooting process Spectrum analyzer not providing power. Faulty or loose USB cable. Green Active LED does not turn on when mixer is Faulty mixer. connected to spectrum Troubleshooting: analyzer through USB cable. Connect another USB device to the signal analyzer.

  • Page 47: Table 3-1 Troubleshooting Procedure

    Troubleshooting and Maintenance Table 3-1 Troubleshooting procedure (continued) Problem Possible cause/troubleshooting process Yellow Busy LED does not come on when USB cable is Assure that only one mixer is connected. Unplug any other mixer USB connection, then on the attached and LO Align does desired mixer, remove the USB cable and re-insert the USB cable to initiate the LO adjustment.

  • Page 48: Error Messages

    Troubleshooting and Maintenance Error Messages The following is a list of error messages that may appear on the signal analyzer screen. Table 3-2 Error messages Error message Possible cause/troubleshooting process The LO power is too low to complete the LO adjustment. LO Alignment Failure LO/IF cable not connected at time of LO adjustment routine.

  • Page 49: Returning A M1971 Series Mixer For Service

    Troubleshooting and Maintenance Returning a M1971 Series Mixer for Service Contacting Keysight Assistance with test and measurement needs and information or 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, contact your field engineer. In any correspondence or telephone conversation, refer to the Keysight product NOTE by its model number and full serial number.
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  • Page 51: Specifications

    Keysight M1971 Series Harmonic Mixer User’s Guide Specifications General Specifications Physical Characteristics Environmental Specifications This chapter provides the specifications of the M1971 Series Harmonic Mixer. Specifications describe warranted performance over the temperature range of NOTE 0 to +55 °C after one hour of continuous operation unless otherwise noted. Nominal values indicate expected performance, or describe product performance that is useful in the application of the product, but is not covered by the product warranty.

  • Page 52: General Specifications

    Specifications General Specifications Table 4-1 General specifications Description Specification Supplemental information Calibration cycle 1 year LO requirements provided by compatible signal analyzers. LO amplitude Maximum cable loss 10 dB nominal. USB requirements 5 V nominal, 500 mA maximum Maximum CW RF input level 20 dBm (100 mW) Maximum RF peak pulse 24 dBm with <...
  • Page 53 Specifications Description M1971E-001 M1971E-003 M1971V M1971W RF frequency range 60 to 90 GHz 55 to 90 GHz 50 to 75 GHz 75 to 110 GHz –6 and –8 –6 and –8 –4 and –6 –6 and –8 LO harmonic number 8.3 to 12.4 GHz 8.3 to 12.4 GHz 8 to 14 GHz...

  • Page 54: Figure 4-1 M1971 Dimensions

    Specifications Physical Characteristics Does not include SMA and BNC connectors. Table 4-2 Physical characteristics Model Flange Weight Height Wid th Length M1971E Opt 001 UG-387/U WR-12 M1971E Opt 003 0.68 kg 41.00 mm 58.90 mm 145.66 mm (1.49 lbs) (1.61 in) (2.32 in) (5.73 in) M1971V...

  • Page 55: Table 4-3 Environmental Specifications

    Specifications Environmental Specifications The M1971 Series mixer is designed to fully comply with Keysight Technologies’ product operating environment specifications. The following are the summarized environmental specifications for these products. Table 4-3 Environmental specifications Description Specification Temperature range: – Operating 0 to 55 °C –...
  • Page 56 Specifications THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK. Keysight M1971 Series User’s Guide...
  • Page 57 This information is subject to change without notice. Always refer to the English version at the Keysight website for the latest revision. © Keysight Technologies 2015 - 2016 Edition 3, September, 2016 *M1971-90004* M1971-90004 www.keysight.com...

This manual is also suitable for:

Harmonic mixer m1971 seriesHarmonic mixer m1971vHarmonic mixer m1971wHarmonic mixer m1971e opt 003Harmonic mixer m1971e opt 001

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