Keysight N5242-60124 Installation Manual
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Keysight N5242-60124 Installation Manual

Keysight N5242-60124 Installation Manual

N5241/2/9a&b add low frequency extension (lfe) - upgrade kit (for version 6 and version 7 synthesizers)
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Keysight - N5241/2/9A&B
Add Low Frequency
Extension (LFE) -
Upgrade Kit
(For Version 6 and
Version 7 Synthesizers)
- Installation Guide
To Upgrade PNA-X N5241/2/9B Series
Option 423 and Option 423 with 029 to
Option 425 and Option 425 with 029
For Analyzers with Serial Numbers
Prefixed MY/SG/US5201 and Above
Upgrade Kit Order Numbers:
N5241BU-425, N5242BU-425, and
N5249BU-425
Keysight Kit Number: N5242-60124
This is the Installation Guide for the N5241/2/9A&B Series Microwave Network Analyzers.
INSTALLATION GUIDE
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Summary of Contents for Keysight N5242-60124

  • Page 1 Option 425 and Option 425 with 029 For Analyzers with Serial Numbers Prefixed MY/SG/US5201 and Above Upgrade Kit Order Numbers: N5241BU-425, N5242BU-425, and N5249BU-425 Keysight Kit Number: N5242-60124 This is the Installation Guide for the N5241/2/9A&B Series Microwave Network Analyzers. INSTALLATION GUIDE...

  • Page 2: Safety Notices

    WARNING notice until the DOCUMENT OR ANY INFORMATION reproduce, release, perform, CONTAINED HEREIN. SHOULD indicated conditions are fully display, or disclose commercial KEYSIGHT AND THE USER HAVE A understood and met. computer software or SEPARATE WRITTEN AGREEMENT commercial computer software WITH WARRANTY TERMS COVERING THE MATERIAL IN THIS documentation.

  • Page 5: Description Of The Upgrade

    Keysight Low Frequency Extension (LFE) Upgrade Kit Keysight Kit Number: N5242-60124 Installation Note Description of the Upgrade The following may apply to your “B” model PNA–X: In June 2013, the N5241A/AS and N5242A/AS analyzers underwent significant hardware changes. Some components that have 2.4 mm connectors (bias tees, couplers, and the two connected semi-rigid cables) were replaced with components that have 3.5 mm connectors.

  • Page 6: Getting Assistance From Keysight

    Getting Assistance from Keysight 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: http://www.keysight.com/find/assist...

  • Page 7: Getting Prepared

    ) board, has P4, P204, — IF MUX P404, P604, P804 connectors. If not, Keysight will purchase a new IF MUX board. Refer to your instrument’s Service Guide, Chapter 7 bookmark “Removing and Replacing the A20 IF Multiplexer Board” in the PDF Service Guide Verify your Synthesizer board is version H or greater.
  • Page 8 The enclosed Software Entitlement Certificate is a receipt, verifying that you have purchased a licensed option for the PNA-X of your choice. You must now use a Keysight Web page to request a license key for the instrument that will receive the option.
  • Page 9 Keysight, you will not be able to install the license key file. If this is the case you received from Keysight, you will not be able to install the license key file. If this is the case, contact Keysight for assistance.

  • Page 10: Protecting Your Workspace From Electrostatic Discharge

    1. Go to www.keysight.com. 2. In the Search box, enter the model number of the analyzer (e.g., N5232B) and click Search. 3. Click Support > Keysight Product Support. 4. In the Search Support area type your instrument’s model number (e.g., N2222B).

  • Page 11: Tools Required For The Installation

    Getting Prepared Tools Required for the Installation Description Part Number T-10 TORX driver - set to 9 in-lbs (1.02 N.m) T-20 TORX driver (set to 21 in-lbs) 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)

  • Page 12: About Installing The Upgrade

    About Installing the Upgrade N5241, N5242B, and N5249B Option 423 and Products affected N5241B, N5242B, and N5249B Option 423 with 029 Installation to be performed by Keysight service center or personnel qualified by Keysight Estimated installation time 5 hours Estimated adjustment time 2.5 hours...
  • Page 13 Items Included in the Upgrade Kit Table 1-1 Contents of Upgrade Kit N5242-60124 Description Part Number Desig. Bracket for Bias-T combiner - ports 1 & 2 N5242-00050 Bracket for Bias-T combiner - ports 3 & 4 N5242-00051 Machine screw, M3 x 8, pan head (4 to attach bias T-combiner assemblies to deck...
  • Page 14 Items Included in the Upgrade Kit Table 1-1 Contents of Upgrade Kit N5242-60124 Description Part Number Desig. W169 Cable, assy-RF, A52 port 1 bypass switch to A71 bias T combiner – (Option 425 with N5242-20325 029 Only) Cable, assy RF CA, LFE SRC1 J21 - Synth SRC1 J102...

  • Page 15: Overview Of The Installation Procedure

    Installation Procedure for the Upgrade Installation Procedure for the Upgrade 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 16 Installation Procedure for the Upgrade “Step 18. Connect A71-A74 Bias Tee Combiner New Gray Cables to A70 Low Frequency Extension (LFE) Board and the Other Ends of the New Cables Connected to the IF Multiplier (IF MUX) Board.” “Step 19. Install the New Bias Tee Combiner’s Semirigid Test Set Cables and the Blue Cables, and Install Cable Clamps on Ferrite Beads.”...
  • Page 17 If the synthesizer board part number displayed in the EEPROM Header window is not N5240-63074 (e.g. N5242-63150), you will need to order new synthesizer boards. Refer to “Contacting Keysight” on page 5. Refer “Contacting Keysight” on page Verify that the synthesizer boards are all version H or greater.
  • Page 18 Installation Procedure for the Upgrade Figure 2 EERPOM Header Info Window 3. If all of the boards are version H or greater, proceed to “Step 4. Remove the Front Panel Assembly”. 4. If your synthesizer boards are not H or greater, remove the synthesizer boards for upgrading: IMPORTANT! This step includes disconnecting and laying aside several gray cables.
  • Page 19 Installation Procedure for the Upgrade Step 4. Remove the Front Panel Assembly For instructions, click the Chapter 7 bookmark “Removing and Replacing the Front Panel Assembly” in the PDF Service Guide Step 5. Remove the Existing Test Set Cables Be careful not to damage the center pins of the semi-rigid cables. Some flexing of the cables may be necessary but do not over-bend them.
  • Page 20 Installation Procedure for the Upgrade — W85 – from front-panel Port 2 CPLR THRU to A35 port 2 bias tee For analyzers with Option 029 only: Remove and discard the following cables in the order listed: — W125 (N5242-20296) – A52 port 1 noise bypass switch to A38 port 1 bias tee Figure 3 Option 423 Existing Test Set Cables Removal...
  • Page 21 3.5 mm parts during a previous repair. Please verify your coupler type before ordering new 3.5 mm couplers. To order new couplers, refer to “Contacting Keysight” on page If your analyzer’s serial number prefix is MY/SG/US5321 and above: Your analyzer was shipped with 3.5 mm components, so it is not necessary to replace the couplers.
  • Page 22 IMPORTANT! If you have not done so, verify your instrument’s IF Multiplexer (IF MUX) board, has P4, P204, P404, P604, P804 connectors. If not, Keysight will purchase a new IF MUX board. Refer to your instrument’s Service Guide, Chapter 7 bookmark “Removing and Replacing the A20 IF Multiplexer Board”...
  • Page 23 Installation Procedure for the Upgrade Figure 4 Assemble Bias T Combiners to brackets (5087-7403, N5242-00050, N5242-00051, and 0515-1227) Installation Note N5242-90124...
  • Page 24 Installation Procedure for the Upgrade Refer to Figure 5 for this step of the procedure. New parts are listed in Table 1-1 on page 3. Install the N5240-60098 (x3) cables as shown. Note the orientation of the  cable (item 4.
  • Page 25 Installation Procedure for the Upgrade Refer to Figure 6 for this step of the procedure. New parts are listed in Table 1-1 on page  6. Install the N5240-60091 (x4) DC cables as shown (item Figure 6 Install DC cables to the bias tees (N5240-60091) Installation Note N5242-90124...
  • Page 26 Installation Procedure for the Upgrade 7. Install the A71-A74 Bias T combiners onto bracket using 0515-0372 (x6)  screws (item ). Refer to Figure  8. Install the 0515-1227 (x2) screws onto bracket (item ). Refer to Figure Figure 7 Install A71-A74 Bias T Combiners to brackets (0515-0372 and 0515-1227) Installation Note N5242-90124...
  • Page 27 Installation Procedure for the Upgrade Step 11. Connect the A18 Motherboard/IF Multiplexer (IF MUX)/Low Frequency Extension (LFE)/Test Set Motherboard (TSMB) Ribbon Cable (N5240-60089) 1. Remove the N5242-60004 Motherboard/IF MUX/Test set motherboard (MB)/IF MUX/TSMB) ribbon cable from the A18 system motherboard connector J1 and discard this cable.
  • Page 28 Installation Procedure for the Upgrade Step 12. Reinstall the A20 IF Multiplexer (IF MUX) Board and Connect the Motherboard / IF Multiplexer / Low Frequency Extension (LFE)/ Test set motherboard (MB/IF MUX/LFE/TSMB) ribbon cable (N5240-60089) and the IF MUX Rear Panel Hardware ...
  • Page 29 Installation Procedure for the Upgrade 3. Reinstall the IF MUX board rear panel connectors using the washers and nuts removed in “Step 8. Remove the A20 IF Multiplexer (IF MUX) Board”   on page 22 (items ). Torque to 6 in-lbs. Refer to Figure 4.
  • Page 30 Installation Procedure for the Upgrade 5. Connect N5240-60089 Motherboard / IF Multiplexer / Low Frequency Extension (LFE)/ Test set motherboard (MB/IF MUX/LFT/LFE/TSMB)  ribbon cable to IF MUX J1 and fold as shown (item ). Refer to Figure 6. Reconnect the IF MUX/SPAM gray cables to the A20 IF MUX board as ...
  • Page 31 Installation Procedure for the Upgrade Step 13. Reinstall the handler, Power and Other I/O Assemblies 1. Reinstall the handler, power, and other I/O assemblies and fold cables out   of the way of the LFE board to be plugged in (items through ).
  • Page 32 Installation Procedure for the Upgrade 2. Route Power I/O and Handler I/O cables. Refer to Figure Figure 13 Route Power I/O and Handler I/O cables Installation Note N5242-90124...
  • Page 33 Installation Procedure for the Upgrade Step 14. Reinstall the Mixer Brick (MXB) Cables  Reconnect the other end of the mixer brick (MXB) cable (item ) and all of the  IF multiplexer (IF MUX) gray cables (IF MUX board as shown (items through ...
  • Page 34 Installation Procedure for the Upgrade Step 15. Attach Lower Bracket (N5240-00011) to IF MUX Board Shield Attach N5240-00011 lower bracket to IF MUX board using 0515-0372 screws (x4). Torque to 9 in-lbs. Refer to Figure Figure 15 Attach lower bracket to IF MUX board (N5240-00011 and 0515-0372) 5087-7139) and 1.
  • Page 35 Installation Procedure for the Upgrade Step 16. Connect and Route New LFE Cables (8120-5014 (x2) and 8120-5017 (x3)) to the on the IF Multiplexer (IF MUX) Board 1. Connect and route the 8120-5014 (x2) and 8120-5017 (x3) cables as  ...
  • Page 36 Installation Procedure for the Upgrade 2. Route the reconnected IF mixer brick (MXB) and IF multiplexer (IF MUX) gray cables that were reconnected in “Step 14. Reinstall the Mixer Brick (MXB) Cables” on page 33. Refer to Figure Figure 17 Routing the reconnected IF MXB and IF MUX Gray Cables on the IF MUX board Installation Note N5242-90124...
  • Page 37 Installation Procedure for the Upgrade Figure 18 Routing the new low frequency extension (LFE) Gray Cables on the IF MUX board (8120-5014 (x2) and 8120-5017 (x3)) Installation Note N5242-90124...
  • Page 38 Installation Procedure for the Upgrade Step 17. Install A70 Low Frequency Extension (LFE) Board 1. Install the LFE A70 board using the standoffs as a guide. 2. Connect Motherboard / IF Multiplexer / LFT/ LFE/ Test set motherboard  (MB/IF MUX/LFT/LFE/TSMB) ribbon cable to LFE board J1 (item ).
  • Page 39 Installation Procedure for the Upgrade Step 18. Connect A71-A74 Bias Tee Combiner New Gray Cables to A70 Low Frequency Extension (LFE) Board and the Other Ends of the New Cables Connected to the IF Multiplier (IF MUX) Board This upgrade kit contains cables for Version 6 synthesizers and Version 7 direct digital synthesizer (DDS) assemblies.
  • Page 40 Installation Procedure for the Upgrade Figure 20 Version 6 Synthesizers: Connect the other ends of the IF gray cables and connect the Source 1, Source 2, and LO Source cables as shown (8120-5014 (x2), 8120-5017 (x3), N5242-60078, N5242-60079, and N5242-60080) Installation Note N5242-90124...
  • Page 41 Installation Procedure for the Upgrade Figure 21 Version 7 Synthesizers: Connect the other ends of the IF gray cables and connect the Source 1, Source 2, and LO Source cables as shown (8120-5014 (x2), 8120-5017 (x3), N5240-60112, N5240-60113, and N5240-60114) Installation Note N5242-90124...
  • Page 42 Installation Procedure for the Upgrade Step 19. Install the New Bias Tee Combiner’s Semirigid Test Set Cables and the Blue Cables, and Install Cable Clamps on Ferrite Beads Follow instructions carefully when making cable connections, especially wire harness connections. Incorrect connections can destroy components, resulting in additional customer costs.
  • Page 43 Installation Procedure for the Upgrade Install the New Semirigid Test Set Cables Refer to Figure 22 on page 44 through Figure 32 on page 54 for this step of the procedure. Although only Option 423 is shown in the illustrations, Option 425 is similar in appearance.
  • Page 44 Installation Procedure for the Upgrade Figure 22 New Test Set Cable Installation (Option 423 is shown. Option 425 and Option 425 with 029 is similar.) W163 5087-7139) and 1. The A22 splitter ( N5222-20007, N5222-20008, and N5222-20009 cables are only used with a legacy HMA26.5 p/n: 5087-7765.
  • Page 45 Installation Procedure for the Upgrade Figure 23 N5242B Option 425 and Option 425 with 029: New Test Set Cables Installation, Part 3 (N5222-20120). (Option 425 with 029 is shown, but Option 425 without 029 is similar.) Installation Note N5242-90124...
  • Page 46 Installation Procedure for the Upgrade Figure 24 N5242B Option 425 and Option 425 with 029: New Test Set Cables Installation, Part 4 (N5222-20116, N5222-20118, and N5222-20122). (Option 425 with 029 is shown, but Option 425 without 029 is similar.) Installation Note N5242-90124...
  • Page 47 Installation Procedure for the Upgrade Figure 25 N5242B Option 425 and Option 425 with 029: New Test Set Cables Installation, Part 5 (N5222-20115 and N5222-20121). (Option 425 with 029 is shown, but Option 425 without 029 is similar.) Installation Note N5242-90124...
  • Page 48 Installation Procedure for the Upgrade Figure 26 N5242B Option 425 with 029 (Only): New Test Set Cables Installation, Part 6 (N5222-20117 and N5242-20325) Installation Note N5242-90124...
  • Page 49 Installation Procedure for the Upgrade Figure 27 N5242B Option 425 (Only): New Test Set Cables Installation, Part 7 (N5222-20117 and N5222-20119) Installation Note N5242-90124...
  • Page 50 Installation Procedure for the Upgrade Install New Blue Bias-Tee Combiner Cables N5240-60097 (x1) and N5240-60098 (x3) Gray Cables From the A71–A74 Bias Tees “RF-IN” to the A70 LFE Board “Port1”–”Port4” Connectors, Cable Clamps Onto Ferrite Beads — Separate cables as much as possible —...
  • Page 51 Installation Procedure for the Upgrade Figure 29 Connect N5240-60098 from Port 4 A73 Bias Combiner to A70 LFE Board (N5240-60098 (x1), 1400-1334 (x1), and 1400-1391 (x1)) Installation Note N5242-90124...
  • Page 52 Installation Procedure for the Upgrade Figure 30 Connect N5240-60098 from Port 3 A72 Bias Combiner to A70 LFE Board (N5240-60098 (x1), 1400-1334 (x1), and 1400-1391 (x1)) Installation Note N5242-90124...
  • Page 53 Installation Procedure for the Upgrade Figure 31 Connect N5240-60098 from Port 1 A71 Bias Combiner to A70 LFE Board (N5240-60098 (x1), 1400-1334 (x1), and 1400-1391 (x1)) Step 20. Reinstall the A19 Test Set Motherboard For instructions, click the Chapter 7 bookmark “Removing and Replacing the A19 Test Set Motherboard”...
  • Page 54 Installation Procedure for the Upgrade Install the A71–A74 Bias-Tee Gray DC Bias Tee Combiner Low Frequency Extension (LFE) Cables to the Rear Panel Refer to Figure 32 for this step of the procedure. New parts are listed in Table 1-1 on page IMPORTANT! The N5240-60091 (x4) bias combiner cables only connect to the DC bias of the Bias Tee Combiner.
  • Page 55 Installation Procedure for the Upgrade Route the Bias Cables 6. Route bias cables as shown. — Separate cables as much as possible. — It is OK to cross the cables. — Avoid running cables parallel or next to each other. —...
  • Page 56 Installation Procedure for the Upgrade Step 22. Install the Other End of the Bias-Tee Combiner Cables to the Source Synthesizer and LO Synthesizer Board Gray Cables Refer to Figure 33 on page 56 and to Figure 34 on page 57. New parts are listed in Table 1-1 on page 1.
  • Page 57 Installation Procedure for the Upgrade Figure 34 Version 7 Synthesizers: New Test Set Cables Installation. Connect the other end of gray cables—Part 2 (N5240-60112, N5240-60113, and N5240-60114) Installation Note N5242-90124...
  • Page 58 Installation Procedure for the Upgrade Step 23. Remove the Old Lower Front Panel Overlay Refer to Figure 35 on page 59 for this step of the procedure. Although a 4-port PNA-X is shown in the graphic, the concept is the same for the 2-port PNA-X. New parts are listed in Table 1-1 on page 1.
  • Page 59 Installation Procedure for the Upgrade Figure 35 Lower Front Panel Overlay Replacement Installation Note N5242-90124...
  • Page 60 Installation Procedure for the Upgrade Step 24. Reinstall the Front Panel Assembly Before installing the front panel assembly onto the analyzer, lift and support the front of the analyzer chassis. Refer to Figure 36 for this step of the procedure. New parts are listed in Table 1-1 on page 1.
  • Page 61 Installation Procedure for the Upgrade Step 25. DC Continuity Test the LFE Board and Test Ports The DC continuity test verifies that the LFE board is installed correctly and does not have any opens or shorts in the DC path. 1.
  • Page 62 2. Right click the on the desired option and click Delete. 3. In the Keysight License Manager dialog box that appears, press or click Yes to confirm delete. 4. A message displays stating that the option removal was successful.
  • Page 63 — A keyboard and mouse must be connected to the network analyzer. Option Enable Procedure 1. Locate the email(s) from Keysight which contain license file attachments. These emails are the result of “Step 1. Obtain a Keyword and Verify the Information”...
  • Page 64 Installation Procedure for the Upgrade Figure 37 Editing a Keysight License File Using a Text Editor. Note: This figure may not contain your specific features and is an example only. In this example N5242B-422 is the incorrect feature. N5242B-423 is the correct feature.
  • Page 65 2. Once the Network Analyzer is running: — Press Help > About NA and verify that Option 425 is listed in the PNA–X application. If the option(s) have not been enabled, contact Keysight Technologies. Refer to “Getting Assistance from Keysight” on page 3.
  • Page 66 To store the backup data, perform these steps: — Navigate to the EEPROM Backup Utility, located at: — Windows 7 -- C:\Program Files (x86)\Keysight\Network Analyzer\Service\eebackup.exe — Windows 10 -- C:\Program Files\Keysight\Network Analyzer\Service\eebackup.exe — Run the program.
  • Page 67 PDF Service Guide If you experience difficulty with the basic functioning of the analyzer, contact Keysight. Refer to “Contacting Keysight” on page Calibration Although the analyzer functions, its performance relative to its specifications has not been verified. It is recommended that a full instrument calibration be performed using the analyzer’s internal performance test software.
  • Page 68 Installation Procedure for the Upgrade Installation Note N5242-90124...
  • Page 69 If you do not have the following equipment, do not attempt to the process in the Appendix, because you may damage the board and or your instrument. Stop and return the instrument to Keysight for repair. Refer to “Getting Assistance from Keysight” on page This process requires the following: —...
  • Page 70 1. If you have already removed your synthesizer board, proceed to step Else, to remove your synthesizer board, refer to the Service Guide for your instrument that can be downloaded from www.keysight.com. 2. Remove resistor R71. Refer to Figure 1 on page 3.
  • Page 71 Synthesizer Board Upgrade (N5240-60074 (with Tabs)/N5240-60076 (Without Tabs) Version F/G to Version H) Procedure μ 7. Replace with capacitor 22 F (0161-4279). Refer to Figure 1 on page Ω Figure 1 Remove old resistor and capacitor and replace with resistor 1 k (0699-3947) μ...
  • Page 72 Figure 2 on page c. In the window that opens: Enter the password (i.e., “tsunami”). d. In the Keysight PNA EEPROM Editor window that opens: Scroll down to the FW Revision: box and select the “F” or “G” and replace by typing “H”.
  • Page 73 Synthesizer Board Upgrade (N5240-60074 (with Tabs)/N5240-60076 (Without Tabs) Version F/G to Version H) Procedure Figure 2 EEPROM Header Info Window Appendix - Synthesizer Board A–5...
  • Page 74 Synthesizer Board Upgrade (N5240-60074 (with Tabs)/N5240-60076 (Without Tabs) Version F/G to Version H) Procedure Figure 3 EEPROM Editor Window A–6 Appendix - Synthesizer Board...
  • Page 75 Installation Note Xxxxx-xxxxx...
  • Page 76 This information is subject to change without notice. © Keysight Technologies 2007-2022 Edition 1, December 2022 N5242-90124 www.keysight.com...

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