Keysight N5247BU-425 Installation Manual

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Keysight

Add Low

Frequency

Extension (LFE)

For Version 6 &

Version 7

Synthesizers

To Upgrade PNA-X N5247B

Option 423 to Option 425 or

Option 423 with 029 to

Option 425 with 029

Upgrade Kit Order Number:

N5247BU-425 and

N5247BU-429

Keysight Kit Number:

N5247-60113

This is Installation Note is for upgrading the N5247B Microwave Network Analyzers from Option 423 or Option 423 with

Option029 to Option 425 or Option 425 with Option 029.

INSTALLATION GUIDE

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Summary of Contents for Keysight N5247BU-425

Page 1 Option 423 to Option 425 or Option 423 with 029 to Option 425 with 029 Upgrade Kit Order Number: N5247BU-425 and N5247BU-429 Keysight Kit Number: N5247-60113 This is Installation Note is for upgrading the N5247B Microwave Network Analyzers from Option 423 or Option 423 with Option029 to Option 425 or Option 425 with Option 029.
Page 2 PERFORMANCE OF THIS to the public to use, modify, DOCUMENT OR ANY INFORMATION reproduce, release, perform, CONTAINED HEREIN. SHOULD display, or disclose commercial KEYSIGHT AND THE USER HAVE A SEPARATE WRITTEN AGREEMENT computer software or WITH WARRANTY TERMS commercial computer software...
Page 5 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 6 ) 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 and to “Contacting Keysight”...
Page 7 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 8 1. Go to www.keysight.com. 2. In the Search box, enter the model number of the analyzer (e.g., N5225B) and click Search. 3. Click Support > Keysight Product Support. 4. In the Search Support area type your instrument’s model number (e.g., N2225B).
Page 9 Protecting Your Workspace from Electrostatic Discharge For information, click on the Chapter 1 bookmark, “Electrostatic Discharge Protection” in the PDF Service Guide ESD Equipment Required for the Installation Description Keysight Part Number ESD grounding wrist strap 9300-1367 5-ft grounding cord for wrist strap 9300-0980...
Page 10 Getting Prepared About Installing the Upgrade Products affected N5247B Option 423 and N5247B 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 Estimated full instrument calibration time 8.0 hours...
Page 11 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 “Getting Assistance from Keysight” on page This upgrade kit contains cables for Version 6 synthesizers and Version 7 direct digital synthesizer (DDS) assemblies.
Page 12 Items Included in the Upgrade Kit Table 1 Contents of Upgrade Kit N5247-60113 Description Part Number Desig. Cable, ribbon assy, motherboard (MB/IF MUX/LFE/TSMB)) N5240-60089 Cable, DC, 2 pin to R/A SMP N5240-60091 W181 Cable, assy-RF, Port 1 CPLR THRU to port 1A71 port 1 bias combiner (without N5247-20167 Option 029 Only) N5247-20162...
Page 13 Items Included in the Upgrade Kit Table 1 Contents of Upgrade Kit N5247-60113 Description Part Number Desig. W212 RF cable, A70/A75 LFE J13 to A24 IF Multiplexer P204 8120-5017 W213 RF cable, A70/A75 LFE J7 to A24 IF Multiplexer P404 8120-5014 W214 RF cable, A70 LFE J12 to A24 IF Multiplexer P604...
Page 14 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 15 Installation Procedure for the Upgrade “Step 17. Install A70 Low Frequency Extension (LFE) Board.” “Step 18. Connect A71-A74 Bias Tee Combiner’s New 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.
Page 16 If the model number, serial number, or option number do not match those on your license key file, you will not be able to install the option. If this is the case, contact Keysight for assistance before beginning the installation of this upgrade. Refer to “Contacting Keysight”...
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 3. If all of the boards are version H or greater, proceed to “Step 5. Remove the Front Panel Assembly”. 4. If your boards are not version 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 8. Remove the Existing Test Set Cables Be careful not to damage the center pins of the semirigid cables. Some flexing of the cables may be necessary but do not over-bend them. Leave the gray flexible cables, the wire harnesses, and the ribbon cables connected where possible.
Page 20 Installation Procedure for the Upgrade For all analyzers: — N5247-20028 A72 port 3 bias tee to A34 port 3 coupler — N5247-20010 Port 3 CPLR THRU to A72 port 3 bias tee — N5247-20022 A33 port 1 coupler to A71 port 1 bias tee —...
Page 21 Installation Procedure for the Upgrade Step 10. Assemble and Install the A71–A74 Bias Tee Combiner Assemblies Refer to Figure 2 for this step of the procedure. New parts are listed in Table 1 on page 1. Assemble the Bias T combiners 5087-7403 (x4) to brackets N5247-20149 ...
Page 22 Installation Procedure for the Upgrade Refer to Figure 3 for this step of the procedure. New parts are listed in Table 1 on page 2. Install the N5240-60097 (x4) cables onto the bias tee combiners using 5023-3299 clamps (x4) and clamp screws 0515-2141 screws (x4) (items ...
Page 23 Installation Procedure for the Upgrade Refer to Figure 4 for this step of the procedure. New parts are listed in Table 1 on page  3. Install the cables N5240-60091 (x4) onto the bias tee combiners (item Figure 4 Install DC cables to the bias tee combiners (N5240-60091) Installation Note N5247-90113...
Page 24 Installation Procedure for the Upgrade 4. Install the Bias T combiners A71-A74 to using 0515-0372 (x4) screws. Torque screws to 9 in-lbs. Refer to Figure Figure 5 Install the A71-A74 Bias T Combiners to brackets (5087-7403, N5247-20149, and 0515-0372) Installation Note N5247-90113...
Page 25 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 ...
Page 26 Installation Procedure for the Upgrade Step 12. Reinstall the A24 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 27 Installation Procedure for the Upgrade 3. Reinstall the IF MUX board rear panel connectors using the washers and nuts removed in “Step 7. Remove the A24 IF Multiplexer (IF MUX) Board”   on page 18 (item ). Torque to 6 in-lbs. Refer to Figure 4.
Page 28 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 A24 IF MUX board as ...
Page 29 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 30 Installation Procedure for the Upgrade 2. Route Power I/O and Handler I/O cables. Refer to Figure Figure 11 Route Power I/O and Handler I/O cables (8121-2919 and N5242-60005) Installation Note N5247-90113...
Page 31 Installation Procedure for the Upgrade Step 14. Reinstall the Mixer Brick (MXB) Cables  Reconnect the other end of the mixer brick (MXB) cables (item ) and all of  the IF multiplexer (IF MUX) gray cables (IF MUX board as shown (items ...
Page 32 Installation Procedure for the Upgrade Step 15. Attach Lower Bracket (N5240-00011) to IF MUX Board Shield Attach lower bracket (N5240-00011) to IF MUX board using 0515-0372 screws (x4). Torque to 9 in-lbs. Refer to Figure Figure 13 Attach lower bracket to IF MUX board (N5240-00011 and 0515-0372) Installation Note N5247-90113...
Page 33 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. Route existing cables as shown to avoid pinching (item ). Refer to Figure Figure 14 To avoid pinching cables, route the existing cables as shown...
Page 34 Installation Procedure for the Upgrade Figure 15 Connecting and Routing the Gray Cables on the IF MUX board (8120-5014 (x2) and 8120-5017 (x3)) Installation Note N5247-90113...
Page 35 Installation Procedure for the Upgrade 3. Route the reconnected mixer brick (MXB) and IF multiplexer (IF MUX) gray cables that were reconnected in “Step 14. Reinstall the Mixer Brick (MXB) Cables” on page 31. Refer to Figure Figure 16 Routing the reconnected MXB and IF MUX Gray Cables on the IF MUX board Installation Note N5247-90113...
Page 36 Installation Procedure for the Upgrade Figure 17 Routing the new low frequency extension (LFE) Gray Cables on the IF MUX board (8120-5014 (x2) and 8120-5017 (x3)) Installation Note N5247-90113...
Page 37 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 N5240-60089 Motherboard / IF Multiplexer / LFT/ LFE/ Test set motherboard (MB/IF MUX/LFT/LFE/TSMB) ribbon cable to LFE board J1 ...
Page 38 Installation Procedure for the Upgrade Step 18. Connect A71-A74 Bias Tee Combiner’s New 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 39 Installation Procedure for the Upgrade Figure 19 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), N5245-60027, N5242-60079, and N5242-60080) Installation Note N5247-90113...
Page 40 Installation Procedure for the Upgrade Figure 20 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 N5247-90113...
Page 41 Installation Procedure for the Upgrade Step 19. Install the New Bias Tee Combiner’s Semirigid Test Set Cables, the Blue cables, and Install the Cable Clamps Onto the Ferrite Beads Unless otherwise specified, use a 5/16-in torque wrench set to 10 in-lbs on all cable connections (i.e., except for the cable ends that connect to the couplers, torque these to 8 in-lbs.
Page 42 Installation Procedure for the Upgrade 1. Install the following new Option 425 LFE cables in the order listed: The reference designators in this step correspond to the figures Figure 21 on page 43 through Figure 23 on page 45. But, some of the previous steps are provided for your reference.
Page 43 Installation Procedure for the Upgrade Option 425 with 029—Ports 1 and 3: Connect the following by referring to Figure 24 on page 47 (See also Figure 21 on page 43.):  — —W182 (N5247-20162) A33 test port coupler to A71 Bias Tee combiner, Port 1 ...
Page 44 Installation Procedure for the Upgrade Figure 22 New Option 425 (without 029) Test Set Cables Installation (N5247-20165, N5247-20169, N5247-20171 and for 425 without 029 only, N5247-20163) Torque coupler inputs to 8 in-lbs. Installation Note N5247-90113...
Page 45 Installation Procedure for the Upgrade Figure 23 New Option 425 with 029 Test Set Cables Installation (N5247-20165, N5247-20169, N5247-20171 and for Option 029 only, N5247-20173) Ignore #1 Torque coupler inputs to 8 in-lbs. Installation Note N5247-90113...
Page 46 Installation Procedure for the Upgrade Figure 23-1 New Option 425 (without 029) LFE Test Set Cables Installation (N5247-20162, N5247-20170, N5247-20164, and for Option 425 without 029 only, N5247-20167) Torque coupler inputs to 8 in-lbs. Installation Note N5247-90113...
Page 47 Installation Procedure for the Upgrade Figure 24 New Option 425 with 029 LFE Test Set Cables Installation (N5247-20162, N5247-20170, N5247-20164, and for Option 029 only, N5247-20172) Ignore #4 Torque coupler inputs to 8 in-lbs. Installation Note N5247-90113...
Page 48 Installation Procedure for the Upgrade Install New Blue Bias-Tee Combiner Cables and Clamps N5240-60097 From the A71–A74 Bias Tees “RF-IN” to the A70 LFE Board “Port1”–“Port4” Connectors 2. Connect new cables N5240-60097 (x4) from A71-A74 bias tee combiners   to the A70 LFE board connectors (items through ).
Page 49 Installation Procedure for the Upgrade Install clamps onto the Ferrite Beads 3. Install clamps onto bias cables as shown. Refer to Figure Figure 26 Install the clamps (1400-1334 x6) onto the bias cables as shown Close up example of clamps installed on a bias cable Installation Note N5247-90113...
Page 50 Installation Procedure for the Upgrade Step 20. Reinstall the A23 Test Set Motherboard For instructions, click the Chapter 7 bookmark “Removing and Replacing the A23 Test Set Motherboard” in the PDF Service Guide You will install the rest of the ports 1 through 4 switch, receiver attenuator, and source attenuator cables to the test set motherboard in the next step.
Page 51 Installation Procedure for the Upgrade Step 21. Install the A71 and 74 Bias-Tee Combiner’s Gray Low Frequency Extension (LFE) DC Bias Cables and Route Cables This step contains the following: — “Install the A71–74 bias-Tee combiner’s Gray Low Frequency Extension (LFE) DC bias Cables”...
Page 52 Installation Procedure for the Upgrade 5. Connect the rest of the switch, receiver attenuator, and source attenuator cables to the test set motherboard. For instructions, click the Chapter 7 bookmark “Removing and Replacing the A23 Test Set Motherboard” in the PDF Service Guide Route the bias cables 6.
Page 53 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 This upgrade kit contains cables for Version 6 synthesizers and Version 7 direct digital synthesizer (DDS) assemblies. Please refer to your instrument’s Service Guide, if you are unclear which assembly you have installed.
Page 54 Installation Procedure for the Upgrade Figure 28 Version 6 Synthesizers: New Test Set Cables Installation. Connect the other end of gray cables—Part 2 (N5245-60027, N5242-60079, and N5242-60080) Installation Note N5247-90113...
Page 55 Installation Procedure for the Upgrade Figure 29 Version 7 Synthesizers: New Test Set Cables Installation. Connect the other end of gray cables—Part 2 (N5240-60112, N5240-60113, and N5240-60114) Src2 Installation Note N5247-90113...
Page 56 Installation Procedure for the Upgrade Step 23. Remove the Old Lower Front Panel Overlay Refer to Figure 30 for this step of the procedure. New parts are listed in Table 1 on page 1. From the back side of the front panel, use a blunt object in the cutouts in ...
Page 57 Installation Procedure for the Upgrade Figure 30 Lower Front Panel Overlay Replacement Installation Note N5247-90113...
Page 58 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 31 for this step of the procedure. New parts are listed in Table 1 on page ...
Page 59 Installation Procedure for the Upgrade Step 25. Install the New Lower Front Panel Overlay and Nameplate Refer to Figure 30 on page 57 for the lower overlay and to Figure 31 on page 58 for the hex nuts installation for this step of the procedure. New parts are listed in Table 1 on page 1.
Page 60 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 61 — The Network Analyzer program must not be running. — A keyboard 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 62 Installation Procedure for the Upgrade Figure 32 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 63 — Press Help > About NA and verify that Option 425 is listed in the PNA application. If if the option(s) have not been enabled or if your older options have not been removed, contact Keysight Technologies, refer to “Getting Assistance from Keysight” on page 3.
Page 64 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 65 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 66 Installation Procedure for the Upgrade Installation Note N5247-90113...
Page 67 Installation Procedure for the Upgrade Installation Note N5247-90113...
Page 68 Installation Procedure for the Upgrade Installation Note N5247-90113...
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 2009-2022 Edition 1, November 2022 www.keysight.com...

This manual is also suitable for:

N5247bu-429 N5247-60113