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5

Keysight Low Frequency Extension (LFE) Upgrade Kit
Upgrade Kit Number: N5247-60113
Installation Note

Description of the Upgrade 

This upgrade adds the Option 425 low frequency extension (LFE) to an N5247B 

Option 423 or to N5247B Option 423 with 029. When you complete this 

upgrade your PNA-X will be a N5247B Option 425 or a N5247B Option 425 

with 029:

— PC assembly, low frequency extension (LFE)
— bias combiners to all ports
— additional new cables
Refer to 

“Overview of the Installation Procedure” on page 14

.

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

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.

This repair must be done at a service center or a self-maintainer service 

center! Refer to 

“Getting Assistance from Keysight” on page 5

.

In any correspondence or telephone conversation, refer to the Keysight 

product by its model number and full serial number. With this information, 

the Keysight representative can determine whether your product is still 

within its warranty period.

Summary of Contents for N5247-60113

Page 1: ...tion 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: ...o 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 require or p...

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Page 5: ...ntact 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 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 h...

Page 6: ...at 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 IMPORTANT Before you begin this upgrade Verify your instrument s firmware is A 13 55 or greater Verify your instrument s IF Multiplexer IF MUX board h...

Page 7: ... you received from Keysight If the model number serial number or option number do not match those on the license message you received from 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 Refer to Getting Assistance from Keysight on pa...

Page 8: ...pport Keysight Product Support 4 In the Search Support area type your instrument s model number e g N2225B 5 Press Enter 6 Scroll down to the PRINT DOCUMENTATION section and click to select Service Manual The Service Manual for your instrument will be displayed near the top of the right column 7 Click the hyperlink of the Service Guide title to download the PDF file 8 When the PDF of the Service G...

Page 9: ...driver set to 21 in lbs 2 38 N m 1 N A 5 16 in 8 mm nutsetter or open end torque wrench set to 10 in lbs 1 13 N m 1 N A 5 16 in 8 mm nutsetter or open end torque wrench set to 8 in lbs 0 9 N m 1 N A 5 16 in 8 mm nutsetter or open end torque wrench set to 21 in lbs 2 38 N m 1 N A 5 16 in 8 mm nutsetter or open end wrench to stabilize the bias tee combiner when torquing cables 1 N A 3 16 in 5 mm nut...

Page 10: ...roducts 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: ...3 A72 Port 3 LFE Bias T combiner port 3 A73 Port 4 LFE Bias T combiner port 4 A74 Port 2 LFE Bias T combiner port 2 A70 PC assy low frequency extension LFE 1 N5291 60001 Bracket for IF MUX low frequency extension LFE 1 N5240 00011 Bracket for Bias T combiner 2 N5247 20149 Machine screw M3 x 14 pan head 2 to attach A70 LFE board to the deck 2 0515 0665 Machine screw M3 x 25 pan head 3 to reattach T...

Page 12: ...W189 Cable assy RF A71 port 1 bias combiner to A56 port 1 noise switch 425 with Option 029 Only 1 N5247 20172 W190 Cable assy RF A74 port 2bias combiner to A57 port 2 noise switch 425 Option 029 Only 1 N5247 20173 W191a Cable assy RF CA LFE SRC1 J20 Synth SRC1 J102 1 N5245 60027 W192a Cable assy RF CA LFE SRC2 J21 Synth SRC2 J102 1 N5242 60079 W193a Cable assy RF CA LFE LO J18 Synth LO J102 1 N524...

Page 13: ...rs use these cables If you have a Version 7 direct digital synthesizer DDS assembly installed these cables may be be discarded b Version 7 direct digital synthesizer DDS assemblies use these cables If you have a Version 6 synthesizers installed these cables may be discarded Extra quantities of items such as protective plastic caps screws cable ties and cable clamps may be included in this upgrade ...

Page 14: ...ble and Install the A71 A74 Bias Tee Combiner Assemblies Step 11 Connect the A18 Motherboard IF Multiplexer IF MUX Low Frequency Extension LFE Test Set Motherboard TSMB Ribbon Cable N5240 60089 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 R...

Page 15: ...n LFE DC Bias Cables and Route Cables Step 22 Install the Other End of the Bias Tee Combiner Cables to the Source Synthesizer and LO Synthesizer Board Gray Cables Step 23 Remove the Old Lower Front Panel Overlay Step 24 Reinstall the Front Panel Assembly Step 25 Install the New Lower Front Panel Overlay and Nameplate Step 26 Reinstall Front Panel Jumpers Step 27 DC Continuity Test the LFE Board an...

Page 16: ...file has been received and the information verified you can proceed with the installation at step 2 Step 2 Remove the Outer Cover For instructions click the Chapter 7 bookmark Removing the Covers in the PDF Service Guide1 Step 3 Remove the Inner Cover For instructions click the Chapter 7 bookmark Removing the Covers in the PDF Service Guide1 If the model number serial number or option number do no...

Page 17: ...aders 2 Verify the LO Synthesizer Src1 Synth and Src2 Synth boards are all version H or greater Refer to Figure 1 on page 17 Figure 1 EERPOM Header Info Window The N5240 60074 with tabs or N5240 60076 without tabs pretested synthesizer boards will both show Board P N N5240 63074 in the EEPROM window as shown in Figure 1 If the synthesizer board part number displayed in the EEPROM Header window is ...

Page 18: ...the Front Panel Assembly For instructions click the Chapter 7 bookmark Removing and Replacing the Front Panel Assembly in the PDF Service Guide1 Step 6 Remove the A23 Test Set Motherboard For instructions click the Chapter 7 bookmark Removing and Replacing the A23 Test Set Motherboard in the PDF Service Guide1 Step 7 Remove the A24 IF Multiplexer IF MUX Board For instructions click the Chapter 7 b...

Page 19: ...les in the order listed Unless otherwise marked discard these cables they will not be reused For all analyzers with Option 029 N5247 20120 A71 port 1 bias tee to A56 port 1 noise bypass switch For all analyzers with Option 423 without 029 N5247 20058 A32 port 2 ref coupler to front panel REF 2 SOURCE OUT For all analyzers with Option 029 N5247 20123 A57 port 2 noise bypass switch to A74 port 2 bia...

Page 20: ...ith Option 423 without 029 N5247 20027 Front panel port 2 CPLR THRU to A45 port 2 bias tee For all analyzers N5247 60021 A71 port 1 bias tee to A23 test set motherboard J541 N5247 60021 A72 port 3 bias tee to A23 test set motherboard J543 N5247 60021 A73 port 4 bias tee to A23 test set motherboard J544 N5247 60021 A74 port 2 bias tee to A23 test set motherboard J542 Step 9 Remove the A38 A41 Bias ...

Page 21: ... Assemblies Refer to Figure 2 for this step of the procedure New parts are listed in Table 1 on page 11 1 Assemble the Bias T combiners 5087 7403 x4 to brackets N5247 20149 x2 using 0515 1227 screws x8 items and Torque to 9 in lbs Refer to Figure 2 Figure 2 Assemble Bias T Combiners to brackets 5087 7403 N5247 20149 and 0515 1227 ...

Page 22: ...dure New parts are listed in Table 1 on page 11 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 and Torque to 6 in lbs Refer to Figure 2 Figure 3 Install cables and clamps to the bias tee combiners N5240 60097 5023 3299 and 0515 2141 ...

Page 23: ...ocedure for the Upgrade Refer to Figure 4 for this step of the procedure New parts are listed in Table 1 on page 11 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 ...

Page 24: ...llation 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 5 Figure 5 Install the A71 A74 Bias T Combiners to brackets 5087 7403 N5247 20149 and 0515 0372 ...

Page 25: ...ystem motherboard connector J1 and discard this cable item Refer to Figure 6 N5240 60089 is shown but N5242 60004 is similar 2 Install the N5240 60089 to A18 system motherboard J1 items and Refer to Figure 6 Figure 6 Install the N5240 60089 MB IF MUX TSMB Ribbon Cable to A18 Motherboard J1 IMPORTANT Be careful to route the cable as shown in Figure 6 to avoid interference with the IF MUX board inst...

Page 26: ...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 1 Reinstall the IF MUX board using 0515 0669 x4 screws item 2 For now hand tighten only item Refer to Figure 7 Figure 7 Reinstall the A24 IF MUX Board N5240 60062 and 0515 0669 N5240 60062 ...

Page 27: ...onnectors using the washers and nuts removed in Step 7 Remove the A24 IF Multiplexer IF MUX Board on page 18 item and Torque to 6 in lbs Refer to Figure 8 4 Torque the 0515 0669 IF MUX board screws that were previously hand tightened to 21 in lbs item Figure 8 Install the A24 IF MUX Board N5240 60062 and 0515 0669 ...

Page 28: ...y 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 9 6 Reconnect the IF MUX SPAM gray cables to the A24 IF MUX board as indicated in Figure 9 items through Figure 9 Connect the MB IF MUX Low Frequency Extension LFE TSMB ribbon cable to A24 IF MUX J1 N5240 60089 ...

Page 29: ...ll 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 Refer to Figure 10 Figure 10 Reinstall handler I O cable I O cable assembly power I O assembly and I O Cables ...

Page 30: ... Installation Note N5247 90113 Installation Procedure for the Upgrade 2 Route Power I O and Handler I O cables Refer to Figure 11 Figure 11 Route Power I O and Handler I O cables 8121 2919 and N5242 60005 ...

Page 31: ...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 through Refer to Figure 12 Figure 12 Reconnect the other end of the IF gray cables to the IF MUX board N5242 60017 60018 60019 60020 60021 60022 60023 and 60024 ...

Page 32: ...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 13 Figure 13 Attach lower bracket to IF MUX board N5240 00011 and 0515 0372 ...

Page 33: ...id pinching item Refer to Figure 14 Figure 14 To avoid pinching cables route the existing cables as shown 2 Connect and route the 8120 5014 x1 and 8120 5017 x3 cables as shown on the IF MUX board items through You will connect the other ends of the IF gray cables later on the process Refer to Figure 15 When connecting the IF gray cables be careful to look for the correct connector labels on the IF...

Page 34: ...34 Installation Note N5247 90113 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 ...

Page 35: ...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 16 Figure 16 Routing the reconnected MXB and IF MUX Gray Cables on the IF MUX board ...

Page 36: ...36 Installation Note N5247 90113 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 ...

Page 37: ...doffs 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 item Refer to Figure 18 3 Install the N5291 60001 A70 LFE board using the 0515 0665 screws x2 Torque to 9 in lbs item Refer to Figure 18 Figure 18 Install the A70 LFE board N5240 60089 N5291 60001 and 0515 0665 N5291 60001 ...

Page 38: ...through The other end of the N5245 60027 N5242 60079 and N5242 60080 are connected to Source1 Source 2 and LO Source boards in a later step Refer to Figure 19 on page 39 Version 7 Synthesizers Connect the direct digital synthesizer DDS assembly cables Source 1 Source 2 and LO Source cables to the LFE board as shown N5240 60112 N5240 60113 and N5240 60114 items through The other end of the N5240 60...

Page 39: ...lation 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 ...

Page 40: ...lation 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 ...

Page 41: ...uration Options 425 029 S N Prefixes 6021 or 4 Port Configuration Options 425 029 S N Prefixes 6021 in the PDF Service Guide1 New parts are listed in Table 1 on page 11 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 Refer to Figure 22 on page 44 through Figure 25 on...

Page 42: ...0171 A35 test port coupler to A73 Bias Tee combiner Port 4 W188 N5247 20169 A36 test port coupler to A74 Bias Tee combiner Port 2 W185 N5247 20165 A73 Bias Tee combiner Port 4 to front panel CPLR THRU Option 425 with 029 Only W190 N5247 20173 A74 Bias Tee combiner Port 2 to A57 noise switch port 2 Option 425 without 029 Ports 1 and 3 Connect the following by referring to Figure 23 1 on page 46 See...

Page 43: ...5247 20162 A33 test port coupler to A71 Bias Tee combiner Port 1 W183 N5247 20170 A72 Bias Tee combiner Port 3 to front panel CPLR THRU W184 N5247 20164 A34 test port coupler to A72 Bias Tee combiner Port 3 Option 425 with 029 Only W189 N5247 20172 A71 Bias Tee combiner Port 1 to A56 noise switch port 1 Figure 21 New Test Set Cable Installation Option 423 with 029 Shown Option 425 with 029 is simi...

Page 44: ...247 90113 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 ...

Page 45: ...90113 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 Torque coupler inputs to 8 in lbs Ignore 1 ...

Page 46: ...13 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 ...

Page 47: ...113 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 Torque coupler inputs to 8 in lbs Ignore 4 ...

Page 48: ...as 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 Torque to 10 in lbs on the LFE board Refer to Figure 25 Figure 25 Connect N5240 60097 from A71 A74 Bias Tee Combiners to A70 LFE Board N5240 60097 x4 Port1 on Port2 on Port4 on Port3 on ...

Page 49: ...rocedure for the Upgrade Install clamps onto the Ferrite Beads 3 Install clamps onto bias cables as shown Refer to Figure 26 Figure 26 Install the clamps 1400 1334 x6 onto the bias cables as shown Close up example of clamps installed on a bias cable ...

Page 50: ...p 21 Install the A71 and 74 Bias Tee Combiner s Gray Low Frequency Extension LFE DC Bias Cables and Route Cables on page 51 1 See Downloading the Online PNA Service Guide on page 8 IMPORTANT Use the N5240 60089 ribbon cable from this kit in lieu of ribbon cable N5242 60004 Refer to Table 1 on page 11 STOP Do not install the port 1 through 4 switch receiver attenuator and source attenuator cables t...

Page 51: ...ow Frequency Extension LFE DC bias Cables on page 51 Route the bias cables on page 52 Install the A71 74 bias Tee combiner s Gray Low Frequency Extension LFE DC bias Cables 4 Connect the N5291 60091 x4 cables as shown in Figure 27 items through Refer to Figure 27 for the following steps Figure 27 Connect the x4 cables as shown N5291 60091 IMPORTANT The N5240 60091 x4 bias tee combiner cables only ...

Page 52: ...click the Chapter 7 bookmark Removing and Replacing the A23 Test Set Motherboard in the PDF Service Guide1 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 Avoid tie wrapping to semirigid cables Refer to Figure 27 on page 51 1 See Downloading the Online PNA Service Guide on page 8...

Page 53: ...en choose from the following Version 6 Synthesizers Connect N5245 60027 item N5242 60079 item and N5242 60080 item flexible cables as indicated in Figure 28 on page 54 Version 7 Synthesizers Connect N5240 60112 item N5240 60114 item and N5240 60113 item flexible cables as indicated in Figure 29 on page 55 This upgrade kit contains cables for Version 6 synthesizers and Version 7 direct digital synt...

Page 54: ...ation Note N5247 90113 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 ...

Page 55: ... Note N5247 90113 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 ...

Page 56: ...the lower front dress panel to push on the old overlay item and separate it from the front dress panel 2 From the front side of the front panel pull off the overlay completely and discard it 3 Remove the nameplate from the front panel item 4 Remove any adhesive remaining on the front panel IMPORTANT To avoid possible damage to the lower front panel overlay do not attempt to attach the lower front ...

Page 57: ...Installation Note N5247 90113 57 Installation Procedure for the Upgrade Figure 30 Lower Front Panel Overlay Replacement 3 3 3 ...

Page 58: ...1 front panel interface board 2 Slide the front panel over the front panel connectors 3 With a T 10 TORX driver reinstall the 12 screws item in the sides of the frame Be sure to install the two new screws 0515 1946 in the front panel next to test ports 3 and 4 Torque these screws to 9 in lbs Figure 31 Front Panel Assembly Re installation Before installing the front panel assembly onto the analyzer...

Page 59: ...ive backing and Install the nameplate N5247 80026 item Step 26 Reinstall Front Panel Jumpers Reinstall the front panel jumper cables Step 27 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 Using a DVM connect one test probe to the center conductor of the RF port 1 on the...

Page 60: ...e Chapter 7 bookmark Removing the Covers in the PDF Service Guide1 Step 31 Remove Option 423 License Procedure Requirements The analyzer must be powered up and operating to perform this procedure The Network Analyzer program must not be running A keyboard and mouse must be connected to the network analyzer Option 423 License Removal Procedure 1 To start the Keysight License Manager press Start Key...

Page 61: ...drive slot Within 5 seconds the PNA X should display a small New licenses installed message Else load the license key file s manually move your license file s to C Program Files Agilent licensing It may take Keysight License Manager an extra 5 seconds to enable the licenses 4 Verifying and editing the license file For these steps refer to the example in Figure 32 on page 62 a Verify your USB flash...

Page 62: ...h drive and remove the USB flash drive from your PC 5 Connect the USB flash drive to the PNA Within 5 seconds the PNA should display a small New licenses installed message Else load the license key file s manually move your license file s to C Program Files Agilent licensing It may take Keysight License Manager an extra 5 seconds to enable the licenses 6 Disconnect the USB flash drive from the PNA...

Page 63: ...llowing adjustments must be made due to the hardware changes of the analyzer 10 MHz frequency reference adjustment EE default adjustment Synth LO only Version 6 synthesizers All Synthesizers Version 7 synthesizers synthesizer bandwidth adjustment This test is only required when the EE default adjustment is not sufficient Source Adjustment IF Gain Adjustment Receiver Characterization If if the opti...

Page 64: ...ge EEPROM Backup The analyzer uses arrays of correction constants to enable the analyzer to produce accurate leveled source signals and receive clean test signals These constants are stored in non volatile EEPROM memory and in flash memory files The adjustments listed here generate new correction constants The analyzer must have a backup of this new data in case any of the data becomes corrupted T...

Page 65: ...nalyzer 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 To view information on the performance test software click the Chapter 3 bookmark Tests and Adjustments in the PDF Service Guide1 Step 35 Prepare the PNA for the User 1 If necessary reinstall...

Page 66: ...66 Installation Note N5247 90113 Installation Procedure for the Upgrade ...

Page 67: ...Installation Note N5247 90113 67 Installation Procedure for the Upgrade ...

Page 68: ...68 Installation Note N5247 90113 Installation Procedure for the Upgrade ...

Page 69: ...sight support training before beginning any repairs If you have not been properly trained by Keysight support personnel attempting to do this procedure could result in damage to the synthesizer board and or the instrument See also Step 4 Inspect and If Necessary Remove the A4 A15 and A17 Synthesizer Boards if They Are Not Version H on page 17 If you do not have the following equipment do not attem...

Page 70: ...ard 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 3 Clean pads 4 Replace with resistor 1 kΩ 0699 3947 Refer to Figure 1 on page 3 5 Remove capacitor C252 6 Clean pads Table 1 Parts List for Synthesizer Board Upgrade Kit Modificationa Part number Description 0699 3947 1 kΩ Resistor 0161 4279 22 μF capaci...

Page 71: ...5240 60074 with Tabs N5240 60076 Without Tabs Version F G to Version H Procedure 7 Replace with capacitor 22μF 0161 4279 Refer to Figure 1 on page 3 Figure 1 Remove old resistor and capacitor and replace with resistor 1 kΩ 0699 3947 and 22μF 0161 4279 C252 R71 ...

Page 72: ... a Press Utility System Service Utilities View EEPROM Headers b In the EEPROM Header Info window that opens press Edit Refer to Figure 2 on page 5 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 Refer to Figure 3 on page 6 e Press Enter Refer to Figure 3 ...

Page 73: ...Appendix Synthesizer Board A 5 Synthesizer Board Upgrade N5240 60074 with Tabs N5240 60076 Without Tabs Version F G to Version H Procedure Figure 2 EEPROM Header Info Window ...

Page 74: ...A 6 Appendix Synthesizer Board Synthesizer Board Upgrade N5240 60074 with Tabs N5240 60076 Without Tabs Version F G to Version H Procedure Figure 3 EEPROM Editor Window ...

Page 75: ...Installation Note Xxxxx xxxxx 3 ...

Page 76: ...This information is subject to change without notice Keysight Technologies 2009 2022 Edition 1 November 2022 www keysight com ...

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