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Keysight N5225-60143, Installation Notes, Page: 1 / 30

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Installation Note

To Upgrade 4-Port B models to 4-Port B models with 

Option 4S7

N5224BU-4S7 (for N5224B), N5225BU-4S7 (for N5225B), N5227BU-4S7 

(for N5275B), N5244BU-4S7 (For N5244B), N5245BU-4S7 (For N5245B), 

and N5247BU-4S7 (For N5247B)

Upgrade Kit Number: N5225-60143

Keysight 4-Port
N5224/5/7B and N5244/5/7B Models 
PNA 

Direct

 Digital Synthesizer (DDS) 

Upgrade Kit

This manual provides documentation for the following models:

 

Summary of Contents for N5225-60143

Page 1: ...N5225BU 4S7 for N5225B N5227BU 4S7 for N5275B N5244BU 4S7 For N5244B N5245BU 4S7 For N5245B and N5247BU 4S7 For N5247B Upgrade Kit Number N5225 60143 Keysight 4 Port N5224 5 7B and N5244 5 7B Models PNA Direct Digital Synthesizer DDS Upgrade Kit This manual provides documentation for the following models ...

Page 2: ...ware to U S government customers under its standard commercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find sweula The license set forth in the EULA represents the exclusive authority by which the U S government may use modify distribute or disclose the Software The EULA and the license set forth therein does not requir...

Page 3: ... frequency reference 13 5 GHz synthesizer boards x3 and installing a new direct digital synthesizer assembly Refer to Overview of the Installation Procedure on page 10 This upgrade adds the following items to your N5224 5 7B or N5244 5 7B network analyzer direct digital synthesizer DDS assembly new left outer and inner panels new cables This repair must be done at a service center or a self mainta...

Page 4: ... finding a local Keysight office are available on the Web at http www keysight com find assist If you do not have access to the Internet please contact your Keysight field engineer If You Have Problems With the Upgrade Kit Contents Keysight stands behind the quality of the upgrade kit contents If you have problems with any item in the kit refer to www keysight com and the Contact Keysight link In ...

Page 5: ...de1 Downloading the Online PNA Service Guide To view the Service Guide for your PNA model number use the following steps 1 Go to www keysight com 2 In the Search box enter the model number of the analyzer Ex N5247B and click Search 3 Click Services Support Document Library Manuals or under Refine Your Results 4 Click Manuals Service Manual 5 Click the service guide title to download the PDF file 6...

Page 6: ...ection in the PDF of your instrument s Service Guide on www keysight com1 ESD Equipment Required for the Installation 1 See Downloading the Online PNA Service Guide on page 5 Description Keysight Part Number ESD grounding wrist strap 9300 1367 5 ft grounding cord for wrist strap 9300 0980 2 x 4 ft conductive table mat and 15 ft grounding wire 9300 0797 ESD heel strap for use with conductive floors...

Page 7: ... to 6 in lbs 0 68 N m 1 5 8 in 16 mm nutsetter or open end torque wrench set to 21 in lbs 2 38 N m 1 Needle nose pliers 1 Flat head screwdriver 1 Use a 5 16 in torque wrench set to 10 in lbs on all cable connections except the front and rear panel bulkhead connectors On these use a 9 mm nutsetter or open end torque wrench set to 21 in lb Products affected All N5224 5 7B N5244 5 7B 4 port microwave...

Page 8: ...ynthesizer DDS assembly Assembly contains four synthesizers N5240 60102 1 A55 Solid State Drive Assembly for 2 2 GHz CPU and Win10 in N52xxB N5242 60135 4 Screw Machine W Crest Cup Con Washer Pan HD Torx T10 M3X0 510mm LG SST 300 Passivated x2 bracket center stabilizer all options x2 short and rear panel bracket 0515 0374 4 Screw Machine W Crest Cup Con Washer Pan HD Torx T10 M3X0 5 8mm LG SST 300...

Page 9: ...twork 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 The analyzer must be powered down and disconnected from the mains supply before performing this procedure ...

Page 10: ...Step 8 Install NEW A15 Direct Digital Synthesizer DDS Assembly on page 17 Step 9 Install NEW and Reused Direct Digital Synthesis DDS Assembly Cables on page 19 Step 10 Route Gray Cables on page 22 Step 11 Add Back Plate and Cable to Rear Panel Option 422 423 With and Without 029 Only on page 24 Step 12 Install SRC3 J13 Label on Rear Panel Option 422 423 With and Without Option 029 Only on page 26 ...

Page 11: ...d of W51 N5224 5B and N5244 5B W61 N5227B and N5247B The other end is disconnected in the Step 3 Remove Some Top Cables on page 12 N5224 5B and N5244 5B W51 N5245 20101 A15 13 5 GHz LO synthesizer board J1207 to A25 HMA26 5 N5227B and N5247B W61 N5247 20110 A15 13 5 GHz LO synthesizer board J1207 to A25 HMA26 5 1 See Downloading the Online PNA Service Guide on page 5 Be careful not to damage the c...

Page 12: ...ency reference board J5 to bottom of A15 13 5 GHz LO synthesizer board J5 W85 N5242 60028 N5227B and N5247B Only A14 frequency reference board J5 to bottom of A15 13 5 GHz LO synthesizer board J5 W76 N5242 60029 N5224 5B and N5244 5B only A14 frequency reference board J6 to bottom of A5 13 5 GHz source 1 synthesizer board J5 W86 N5242 60029 N5227B and N5247B only A14 frequency reference board J6 t...

Page 13: ...guide from the left Panel Refer to Figure 1 on page 13 1 Remove x1 card guide items and left panel bracket item using needle nose pliers and if necessary a flat head screw driver Save the card guides for reuse 2 Repeat the process and remove the corresponding card guide number from the right inner panel not shown but see item 3 Left side bracket can be recycled discarded Optional Remove and retain...

Page 14: ... Center Bracket Refer to Figure 2 for this step 1 Remove x2 0515 0372 screws from motherboard chassis item Discard as these will not be reused 2 Install center support bracket N5240 20136 item 3 Secure the center support bracket with x2 0515 0374 screws item Figure 2 Install Center Bracket N5242 20136 0515 0374 x2 ...

Page 15: ...esizer assembly J5 to A21 HMA26 5 RF IN The other end will be connected in Step 8 Install NEW A15 Direct Digital Synthesizer DDS Assembly on page 17 Follow instructions carefully when making cable connections especially wire harness connections Incorrect connections can destroy components resulting in additional customer costs Be careful not to damage the center pins of the semi rigid cables Some ...

Page 16: ...ly and Cables Figure 3 Install Bottom End of Top Cable N5240 20125 Step 7 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 Refer to your Service Guide s Removing and Replacing the A4 A16 Boards section Reuse hardware set aside in removal procedure ...

Page 17: ... A15 Direct Digital Synthesizer DDS Assembly Refer to Figure 4 Figure 5 on page 18 and Figure 6 on page 19 for this procedure 1 Install DDS assembly N5240 60102 into instrument Ensure assembly is fully seated 2 Secure using 0515 0380 x2 screws Torque to 21 in lbs Figure 4 Install A15 DDS N5240 60102 Noise Receiver Board Shown Option 029 Only ...

Page 18: ... Install NEW A15 Direct Digital Synthesizer DDS Assembly Figure 5 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 ...

Page 19: ... page 19 W51 N5224 5B N5244 5B W61 N5227B N5247B N5240 20125 A15 13 5 GHz LO synthesizer assembly J5 to A21 HMA26 5 RF IN One end was connected in Step 6 Reinstall Bottom Cables on page 15 W1 N5240 20124 A15 13 5 GHz SRC 1 DD synthesizer assembly J4 to A5 26 5 GHz source 1 board Source 1 RF IN W2 N5240 20126 A15 13 5 GHz SRC 2 direct digital synthesizer J6 SRC 2 RF IN Torque all cables to 10 lbs F...

Page 20: ...J9 W68 8120 5063 reuse A15 DD synthesizer assembly J10 to rear panel REF OUT W200 N5240 60115 SRC DD synthesizer assembly J16 to SPAM J3 Figure 7 Install Following Flexible Cables to DDS Assembly Top 8120 5063 x2 and N5240 60115 3 Connect the other end of the following new and reused cables in the order listed Refer to Figure 8 on page 21 Some models have different reference designators for the sa...

Page 21: ...IF multiplexer board P403 to A16 SPAM board J4 W99 N5227 47B W129 N5244 5B W149 N5224 5B N5247 60024 reuse A24 IF multiplexer board P203 to A16 SPAM board J5 W63 N5242 60016 reuse A24 IF multiplexer board P803 to A16 SPAM board J6 W200 N5240 600115 A15 SRC DD Synthesizer assembly J16 to SPAM J3 Figure 8 Install Other End of Bottom Flexible IF Multiplexer and Top Flexible Gray Cables to SPAM Board ...

Page 22: ...pgrade Step 10 Route Gray Cables Step 10 Route Gray Cables Route gray cables as shown in Figure 9 and Figure 10 on page 23 Figure 9 Route Flexible Gray Cables as Indicated 1400 0249 N5242 60012 N5247 60023 N5242 60014 5247 60024 N5242 60016 and N5240 60115 ...

Page 23: ... Cables Figure 10 Route Flexible Gray Cables as Indicated 1400 0249 Noise Receiver Board Applies to Option 029 Only These cables were reinstalled in Step 7 Reinstall Top Assemblies Reinstall the A5 through A16 Except A15 Direct Digital Synthesis DDS Assembly and Cables on page 16 ...

Page 24: ...em 1 in Figure 11 using x2 0515 0374 screws Torque to 9 in lbs 2 Connect the one end of the N5240 20127 cable to the inside of the back plate item 2 in Figure 11 and item 2 in Figure 12 on page 25 Torque to 21 in lbs 3 Connect the other end of the cable N5240 20127 to A11 DD synthesizer J7 item 1 in Figure 12 on page 25 Figure 11 Install Back Plate to Rear Panel N5240 00015 x2 0515 0374 1 Install ...

Page 25: ...ate and Cable to Rear Panel Option 422 423 With and Without 029 Only Figure 12 Install Semirigid Cable N5240 20127 1 Connect the other end of the N5240 20127 cable to the back plate Torque to 21 in lbs 2 Connect the N5240 20127 cable to the DD synthesizer J7 Torque to 10 in lbs 1 2 ...

Page 26: ...at rear panel surface is clean 2 Install SRC3 J13 label to the rear panel Figure 13 Install SRC3 J13 Label on Rear Panel N5240 80042 Step 13 Remove and Replace the A55 Solid State Drive SSD For instructions click the Chapter 7 bookmark Removing and Replacing the A55 Solid State Drive SSD in the PDF Service Guide1 Skip this step if your PNA already has a 256 GB SSD W1312 60470 installed and with A ...

Page 27: ...ck the Chapter 7 bookmark Removing the Covers in the PDF Service Guide1 Step 16 Verify the PNA Analyzer Program is Running with the Correct Options 1 Start the Network Analyzer program 2 Once the Network Analyzer program is running Press Help About NA and verify that the correct options are listed in the PNA application 3 After successful installation of all upgrades some features require some adj...

Page 28: ... perform these adjustments is also found in the service guide1 After the specified adjustments have been performed the analyzer should operate and phase lock over its entire frequency range Else all adjustments must be run per the instrument s Service Guide on www keysight com EEPROM Check Option 029 Only This section verifies the A9 noise receiver board has the correct model number information in...

Page 29: ...ormance test software or the instrument s embedded performance tests Refer to the analyzer s service guide for information on the performance test software Step 18 Prepare the PNA for the User 1 If necessary reinstall front jumper cables 2 Install the cable guards pushing them over the front jumper cables until the cushioning material touches the front panel of the PNA 3 Install the dust caps on t...

Page 30: ...This information is subject to change without notice Keysight Technologies 2007 2020 Edition 1 July 2020 www keysight com ...

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