Keysight Technologies N5224B Installation Notes
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Keysight Technologies N5224B Installation Notes

Keysight Technologies N5224B Installation Notes

4-port pna direct digital synthesizer dds for version 7 dual-source synthesizer upgrade kit
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Keysight 4-Port
N5224/5/7B and N5244/5/7B Models
PNA Direct Digital Synthesizer (DDS)
For Version 7 Dual-Source Synthesizer
Upgrade Kit
This manual provides documentation for the following models:
To Upgrade 4-Port B models to 4-Port B models with DDS
N5224BU-4S7 (for N5224B), N5225BU-4S7 (for N5225B), N5227BU-4S7
(for N5227B), N5244BU-4S7 (For N5244B), N5245BU-4S7 (For N5245B),
and N5247BU-4S7 (For N5247B)
Upgrade Kit Number: N5225-60143
Installation Note

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Summary of Contents for Keysight Technologies N5224B

  • Page 1 Upgrade Kit This manual provides documentation for the following models: To Upgrade 4-Port B models to 4-Port B models with DDS N5224BU-4S7 (for N5224B), N5225BU-4S7 (for N5225B), N5227BU-4S7 (for N5227B), N5244BU-4S7 (For N5244B), N5245BU-4S7 (For N5245B), and N5247BU-4S7 (For N5247B)

  • Page 2: Safety Notices

    WITH WARRANTY TERMS COVERING THE MATERIAL IN THIS documentation. No additional DOCUMENT THAT CONFLICT WITH government requirements © Keysight Technologies, Inc. THESE TERMS, THE WARRANTY beyond those set forth in the 2007-2021 TERMS IN THE SEPARATE EULA shall apply, except to the AGREEMENT WILL CONTROL.
  • Page 3 Keysight Add Direct Digital Synthesizer (DDS) 4-Port Upgrade Kit Upgrade Kit Numbers: N5225-60143 Installation Note Description of this Upgrade This upgrade adds direct digital synthesis capability to your microwave network analyzer. This is done by removing the existing frequency reference, 13.5 GHz synthesizer boards (x3), and installing a new direct digital synthesizer assembly.

  • Page 4: Getting Assistance From Keysight

    Description of this Upgrade Getting Assistance from Keysight Getting Assistance from Keysight By internet or phone, get assistance with all your test and measurement needs. Installing this upgrade kit requires special skills and experience. If you think you may not be qualified to do the work, or need advice, contact Keysight. Contacting Keysight Assistance with test and measurements needs and information on finding a local Keysight office are available on the Web at:...

  • Page 5: Getting Prepared

    Description of this Upgrade Getting Prepared Getting Prepared The PNA contains extremely sensitive components that can be ruined if mishandled. Follow instructions carefully when making cable connections, especially wire harness connections. The person performing the work accepts responsibility for the full cost of the repair or replacement of damaged components.
  • Page 6 Description of this Upgrade Getting Prepared Protecting Your Workspace from Electrostatic Discharge For information, click on the Chapter 1 bookmark, "Electrostatic Discharge Protection" in the PDF of your instrument’s Service Guide on www.keysight.com ESD Equipment Required for the Installation Description Keysight Part Number ESD grounding wrist strap 9300-1367...

  • Page 7: Tools Required For The Installation

    Description of this Upgrade Tools Required for the Installation Tools Required for the Installation Description T-10 TORX driver - set to 9 in-lbs (1.02 N.m) T-20 TORX driver - set to 21 in-lbs (2.38 N.m) 5/16-in (8 mm) nutsetter or open end torque wrench - set to 10 in-lbs (1.13 N.m) 5/16-in (8 mm) nutsetter or open end torque wrench - set to 21 in-lbs (2.38 N.m) T-6 TORX driver - set to 6 in-lbs (0.68 N.m) 5/8-in (16 mm) nutsetter or open end torque wrench - set to 21 in-lbs (2.38 N.m)
  • Page 8 Items Included in the Upgrade Kit Items Included in the Upgrade Kit Check the contents of your kit against the following list. If any part is missing or damaged, contact Keysight Technologies. Refer to “Description of this Upgrade” on page This section applies to multiple models and upgrade kits.
  • Page 9 Description of this Upgrade Installation Procedure for the Upgrade Table 1 Contents of Upgrade Kit N5225-60143 Option 4S7 (DDS) Description Part Number Desg. Label, SRC3 J13 – Rear panel – (Option 422/423 Only) N5240-80042 Installation Procedure for the Upgrade The network analyzer must be in proper working condition prior to installing this option.

  • Page 10: Table Of Contents

    Description of this Upgrade Overview of the Installation Procedure Overview of the Installation Procedure The network analyzer must be in proper working condition prior to installing this option. Any necessary repairs must be made before proceeding with this installation. This installation requires the removal of the analyzer’s protective outer covers.

  • Page 11: Step 1. Verify Pna And Erase Flash

    Description of this Upgrade Step 1. Verify PNA and Erase Flash “Step 19. Prepare the PNA for the User” on page 39 Step 1. Verify PNA and Erase Flash This section verifies the PNA boots normally and if OK, deletes the flash in preparation for installing and calibrating the new synthesizer assembly.
  • Page 12 Description of this Upgrade Step 1. Verify PNA and Erase Flash Figure 1 Open SCPI Parser Console Installation Note N5225-90143...

  • Page 13: Step 2. Remove The Inner And Outer Covers

    Description of this Upgrade Step 2. Remove the Inner and Outer covers 5. In the SCPI parser window: Enter the following command to erase the flash ROM: DIAGnostic:FLASH:ERASe For assistance with sending SCPI commands, refer to the PNA Help file on www.keysight.com.
  • Page 14 Description of this Upgrade Step 3. Remove Some Cables (All Models) and Some Bottom Assemblies (Options 405, 420, and 425 Only) Step 2a. Remove Some Cables (All Models) 1. Place the analyzer bottom-side up on a flat surface. 2. Remove the following cables. To see an image showing the location of these cables, click the Chapter 6 bookmark “Bottom RF Cables, Standard 4-Port Configuration [for your option]”...
  • Page 15 Description of this Upgrade Step 3. Remove Some Cables (All Models) and Some Bottom Assemblies (Options 405, 420, and 425 Only) B. Remove Some LFE Board Flexible Cables Remove the cables as shown in Figure 1 on page 15. The top-side end of the cables is removed later.
  • Page 16 Description of this Upgrade Step 3. Remove Some Cables (All Models) and Some Bottom Assemblies (Options 405, 420, and 425 Only) C. Install Some *New* LFE Cables Reinstall the following LFE cables as shown in Figure 2 on page 16. The top-side end of the cables is installed later.

  • Page 17: Step 4. Remove Some Top Cables

    Description of this Upgrade Step 4. Remove Some Top Cables Step 4. Remove Some Top Cables Carefully turn the PNA so it is top-side up for this step. Refer to your Service Guide’s "Removing and Replacing the A4–17 Boards" section. Set aside all hardware for reuse. Exceptions (See also, note below): IMPORTANT! A4 13.5 GHz source 1 synthesizer, A14 frequency reference, A15 13.5 GHz (LO) synthesizer, and A17 13.5 GHz source 2 synthesizer...
  • Page 18 Description of this Upgrade Step 4. Remove Some Top Cables All models with Options 405, 420, 425 only: The following cables will have the other bottom cable–end was removed previously in “Step 2b. Remove/Reinstall Some Bottom Assemblies and Old/New Cables (LFE Models, With Options 405, 420, and 425)”...

  • Page 19: Step 5. Remove The Left And Right Inner Bracket's #4 Card Guides

    Description of this Upgrade Step 5. Remove the Left and Right Inner Bracket’s #4 Card Guides Step 5. Remove the Left and Right Inner Bracket’s #4 Card Guides See also your Service Guide’s "Removing and Replacing the Fans" section. Set aside all hardware for reuse.

  • Page 20: Step 6. Install The Center Bracket

    Description of this Upgrade Step 6. Install the Center Bracket Step 6. Install the Center Bracket Refer to Figure 4 for this step. ① 1. Remove (x2) 0515-0372 screws from motherboard/chassis (item Discard as these will not be reused. ➁ 2.

  • Page 21: Step 7. Reinstall Bottom Cables

    Description of this Upgrade Step 7. Reinstall Bottom Cables Step 7. Reinstall Bottom Cables Carefully turn your instrument over so the bottom side is up. Follow instructions carefully when making cable connections, especially wire harness connections. Incorrect connections can destroy components, resulting in additional customer costs.

  • Page 22: Step 8. Reinstall Top Assemblies Reinstall The A5 Through A16

    Description of this Upgrade Step 8. Reinstall Top Assemblies Reinstall the A5 through A16 (Except A15 Direct Digital Synthesis (DDS) Assembly) and Cables Figure 5 Install Bottom End of Top Cable (N5240-20125) Step 8. Reinstall Top Assemblies Reinstall the A5 through A16 (Except A15 Direct Digital Synthesis (DDS) Assembly) and Cables Carefully turn the PNA so it is top-side up for this step.

  • Page 23: Step 9. Install *New* A15 Direct Digital Synthesizer (Dds) Assembly"

    Description of this Upgrade Step 9. Install *NEW* A15 Direct Digital Synthesizer (DDS) Assembly Step 9. Install *NEW* A15 Direct Digital Synthesizer (DDS) Assembly Refer to Figure Figure 7 on page 24, and Figure 9 on page 26 for this procedure.
  • Page 24 Description of this Upgrade Step 9. Install *NEW* A15 Direct Digital Synthesizer (DDS) Assembly Figure 7 A5 through A16 Boards Installed. Including A15 DDS Assembly (N5240-60102) – 4-Port is Shown (i.e., A10, A12, A13 Boards and Related Cables Are Installed in 4-Ports Only; A9 Noise Receiver Board Requires Option 029) Installation Note N5225-90143...

  • Page 25: Step 10. Install *New* And Reused Direct Digital Synthesis (Dds) Assembly Cables

    Description of this Upgrade Step 10. Install *NEW* and Reused Direct Digital Synthesis (DDS) Assembly Cables Step 10. Install *NEW* and Reused Direct Digital Synthesis (DDS) Assembly Cables 1. Connect new LFE cables in the order shown in Figure 8 on page 25.
  • Page 26 Description of this Upgrade Step 10. Install *NEW* and Reused Direct Digital Synthesis (DDS) Assembly Cables ④ — —W201 (N5240-20127) A15 (SRC3) direct digital synthesizer J13 to SPAM J3 – (Option 422/423 with and without Option 029 Only) Torque all cables to 10-lbs. Figure 9 Install New DDS Assembly Top Cables (N5240-20124, N5240-20125, and N5240-20126 (i.e., N5240-20127 Applies to Option 422/423 Only –...
  • Page 27 Description of this Upgrade Step 10. Install *NEW* and Reused Direct Digital Synthesis (DDS) Assembly Cables 3. Connect the following new and reused cables in the order listed. Refer to Figure 9 on page ① — —W69 (8120-5063) (reuse) Rear-panel REF IN to A15 DD synthesizer assembly J9 ➁...
  • Page 28 Description of this Upgrade Step 10. Install *NEW* and Reused Direct Digital Synthesis (DDS) Assembly Cables 4. Connect the other end of the following new and reused cables in the order listed. Refer to Figure 10-1 on page 29. Some models have different reference designators for the same semirigid cable part number.
  • Page 29 Description of this Upgrade Step 10. Install *NEW* and Reused Direct Digital Synthesis (DDS) Assembly Cables Figure 10-1 Install Other End of Bottom Flexible IF Multiplexer and Top Flexible Gray Cables to SPAM Board (N5242-60012, N5242-60013, N5242-60014, N5242-60015, N5242-60016, and N5240-60115) DDS assy Installation Note N5225-90143...

  • Page 30: Step 11. Route Gray Cables

    Description of this Upgrade Step 11. Route Gray Cables Step 11. Route Gray Cables — Route gray cables as shown in Figure 11 Figure 12 on page Figure 11 Route Flexible Gray Cables as Indicated (1400-0249, N5242-60012, N5242-60013, N5242-60014, N5242-60015, N5242-60016, and N5240-60115) Installation Note N5225-90143...
  • Page 31 Description of this Upgrade Step 11. Route Gray Cables Figure 12 Route Flexible Gray Cables as Indicated (1400-0249, Noise Receiver Board). Applies to Option 029 Only. These cables were reinstalled in “Step 8. Reinstall Top Assemblies Reinstall the A5 through A16 (Except A15 Direct Digital Synthesis (DDS) Assembly) and Cables”...

  • Page 32: Step 12. Add Back Plate And Cable To Rear Panel (Option 422/423 With And Without 029 Only)

    Description of this Upgrade Step 12. Add Back Plate and Cable to Rear Panel (Option 422/423 With and Without 029 Only) Step 12. Add Back Plate and Cable to Rear Panel (Option 422/423 With and Without 029 Only) For this step refer to Figure 13 on page 32 and to ‘Figure 14 on page...
  • Page 33 Description of this Upgrade Step 12. Add Back Plate and Cable to Rear Panel (Option 422/423 With and Without 029 Only) Figure 14 Install Semirigid Cable (N5240-20127). See also, Figure 9 on page (1) Connect the other end of the N5240-20127 cable to the back plate. Torque to 21 in-lbs.

  • Page 34: Step 13. Install "Src3 J13" Label On Rear Panel (Option 422/423 With And Without Option 029 Only)

    Description of this Upgrade Step 13. Install "SRC3 J13" Label on Rear Panel (Option 422/423 With and Without Option 029 Only) Step 13. Install "SRC3 J13" Label on Rear Panel (Option 422/423 With and Without Option 029 Only) For this step, refer to Figure 1.

  • Page 35: Step 15. Boot The Instrument

    2. If the instrument stabilizes without errors, continue to the next step. Else, if the unit still has initialization errors which look like problems that cannot be resolved, contact the Keysight Technologies. Refer to “Getting Assistance from Keysight” on page Step 16.

  • Page 36: Step 18. Perform Post-Upgrade Adjustments And Calibration

    Description of this Upgrade Step 18. Perform Post-Upgrade Adjustments and Calibration Step 18. Perform Post-Upgrade Adjustments and Calibration Adjustments The following adjustments must be made due to the hardware changes of the analyzer. IMPORTANT! The 10 MHz reference crystal oscillator is the most accurate after running for three hours.
  • Page 37 Description of this Upgrade Step 18. Perform Post-Upgrade Adjustments and Calibration 3. LO Drive Adjustment Figure 17 Connect sensor at the end of one of the cables from the HMA26.5 4. Perform PNA Source Power Adjustment. If the instrument has Option 422/423, it may have Option XSB installed and SOURCE3 will be available to adjust.
  • Page 38 Description of this Upgrade Step 18. Perform Post-Upgrade Adjustments and Calibration — IF response adjustment (Option S93090xA, S93092A, S93093A, or S93094A Only) — Noise Adjustment (Option 029 with S93029A/B Only) These adjustments are described in the PNA Service Guide and in the PNA on-line HELP.
  • Page 39 Description of this Upgrade Step 19. Prepare the PNA for the User Figure 18 EEPROM Backup Menu Operator’s Check Perform the Operator’s Check to check the basic functionality of the analyzer. For instructions, refer to the “Tests & Adjustments” chapter of the Service Guide.
  • Page 40 Description of this Upgrade Step 19. Prepare the PNA for the User Installation Note N5225-90143...
  • Page 41 Installation Note Xxxxx-xxxxx...
  • Page 42 This information is subject to change without notice. © Keysight Technologies 2007-2021 Edition 1, January 14, 2021 www.keysight.com...

This manual is also suitable for:

N5225bN5227bN5244bN5245bN5247bN5224bu-4s7 ... Show all

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