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Installation Note N5245-90109                                                                                                                                  23

Keysight Extended Power Range and Bias Tees 
Upgrade Kit Order Numbers: N5244AU-921 and N5245AU-921

Step 14.Install the A56 Noise Bypass Switch

Follow the two instructions shown in 

Figure 8

 for this step of the procedure. 

New parts are listed in 

Table 1 on page 10

 of this document.

Figure 8 

A56 Port 1 Noise Bypass Switch Installation

Summary of Contents for N5244AU- H29

Page 1: ... Figure Measurement Capability to 26 5 GHz Upgrade Kit To Upgrade PNA N5244A and N5245A Options 400 419 423 or 400 419 423 H85 to include Option H29 Upgrade Kit Order Number N5244AU H29 and N5245AU H29 Keysight Kit Number N5245 60109 ...

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...

Page 3: ...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 permit among other things that Keysight 1 Furnish technical information related to commercial c...

Page 4: ...ade adds noise figure measurement capability to 26 5 GHz for your Option 400 419 423 4 port analyzer or 400 419 423 H85 4 port analyzer by adding Option H29 which includes a noise downconverter assembly a noise receiver board assembly two noise bypass switches cables This kit may contain either a N5242 60098 or a N5245 60124 Either board will work in your PNA Refer to Table 1 on page 10 ...

Page 5: ...t 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 email Keysight Component Test Division CTD Support at support_ctd soco keysight com or telephone the CTD Hotline at 707 577 6802 and leave a voice mail message Please include details of the problem In any corr...

Page 6: ... 8 Correct tools refer to Tools Required for the Installation on page 8 Enough time refer to About Installing the Upgrade on page 9 Test equipment for the post upgrade adjustments and full instrument calibration To view the equipment list click the Chapter 3 PDF bookmark Tests and Adjustments in the online Service Guide1 The PNA contains extremely sensitive components that can be ruined if mishand...

Page 7: ...mplete the request you will need to gather the following information From the certificate Order number Certificate number From your instrument Model number Serial number Host ID The instrument information is available on the network analyzer on the analyzer s Help menu click About Network Analyzer If you provide an email address Keysight will promptly email your license key Otherwise you will your...

Page 8: ... Kit Order Numbers N5244AU 921 and N5245AU 921 3 Click Technical Support Manuals 4 Click Service Manual 5 Click the service guide title to load the PDF file 6 When the PDF of the Service Guide is displayed scroll through the Contents section bookmarks to locate the information needed ...

Page 9: ...r 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 9300 1308 Description Qty Part Number T 8 TORX driver set to 6 in lbs 0 68 N m 1 N A T 10 TORX driver set to 9 in lbs 1 02 N m 1 N A T 20 TORX driver set to 21 in lbs 2 38 N m 1 N A 5 16 in 8 mm nutsetter ...

Page 10: ... Installing the Upgrade Products affectedN5244A 45A 4 port Network Analyzer Options 400 419 423 or Options 400 419 423 H85 Installation to be performed byKeysight service center or personnel qualified by Keysight Estimated installation time5 0 hours Estimated adjustment time0 5 hours Estimated full instrument calibration time4 5 hours ...

Page 11: ...sory Items Note to Installer These two items are used when performing vector corrected noise figure measurements and are not used in the upgrade They are packaged separately in the kit and must remain with the analyzer 2 4 mm male to 2 4 mm female adapter used to connect an ECal module 1 85056 60007 RF cable used to connect an ECal module 1 N5245 20140 Assemblies A9 Noise receiver board 5201 and a...

Page 12: ...Option H85 installed in the PNA W125 A57 port 2 noise bypass switch to A36 test port 2 coupler 1 N5245 20138 W124 A56 port 1 noise bypass switch to A33 test port 1 coupler 1 N5245 20137 Lower 4 port front panel overlay 1 N5242 80019 Cables for Both Options 400 419 423 and 400 419 423 H85 Ribbon cable A59 noise downconverter to A23 test set motherboard J550 1 N5245 60013 W152 A59 noise downconverte...

Page 13: ...r Numbers N5244AU 921 and N5245AU 921 Extra quantities of items such as protective plastic caps screws cable ties and cable clamps may be included in this upgrade kit It is normal for some of these items to remain unused after the upgrade is completed ...

Page 14: ...idge and A59 Noise Down Converter Step 10 Assemble the Noise Assembly onto the Bracket Step 11 Install the Switch to the Noise Assembly Step 12 Install the Noise Assembly to the Chassis Step 13 Assemble the A56 Port 1 Noise Bypass Switch onto the Bracket Step 14 Install the A56 Noise Bypass Switch Step 15 Install the Test Set Cables Step 16 Install the A9 Noise Receiver Board Step 17 Replace the L...

Page 15: ...rd for installation of this upgrade Once the keyword has been obtained you can proceed with the installation 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 This inner cover may be discarded since it will...

Page 16: ...ner of the Test Set Motherboard shown in Figure 1 look for the two small black connectors labeled J554 and J101 Later you will examine the test set deck chassis underneath this corner of the board Figure 1 Corner of Test Set Motherboard to be Located 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 P...

Page 17: ...ed earlier and compare it to the photo in Figure 2 If a cut out notch exists on the chassis where the tape is shown in Figure 2 you do NOT need to install the tape However if a cut out notch does NOT exist install a piece of mylar tape included in the kit contents as shown in the graphic The tape eliminates any possibility of the Test Set Motherboard shorting against the test set deck Figure 2 Tes...

Page 18: ...order listed These three cables may be discarded they will not be reinstalled To see an image showing the location of these cables click the Chapter 6 bookmark 4 Port Configuration Options 400 419 423 in the PDF Service Guide1 W96 N5245 20087 A45 port 2 bias tee to front panel Port 2 CPLR THRU W84 N5245 20085 A42 port 1 bias tee to front panel Port 1 CPLR THRU Option 400 419 423 H85 only 1 Remove ...

Page 19: ... 921 and N5245AU 921 Step 9 Assemble the A58 Bridge and A59 Noise Down Converter Follow the five instructions shown in Figure 3 for this step of the procedure New parts are listed in Table 1 on page 10 of this document Figure 3 A58 Bridge and A59 Noise Down Converter ...

Page 20: ...e Kit Order Numbers N5244AU 921 and N5245AU 921 Step 10 Assemble the Noise Assembly onto the Bracket Follow the two instructions shown in Figure 4 for this step of the procedure New parts are listed in Table 1 on page 10 of this document Figure 4 Bracket to Noise Assembly Positioning ...

Page 21: ...mbers N5244AU 921 and N5245AU 921 Step 11 Install the Switch to the Noise Assembly Follow the three instructions shown in Figure 5 for this step of the procedure New parts are listed in Table 1 on page 10 of this document Figure 5 A57 Switch Installation ...

Page 22: ...de Kit Order Numbers N5244AU 921 and N5245AU 921 Step 12 Install the Noise Assembly to the Chassis Follow the two instructions shown in Figure 6 for this step of the procedure New parts are listed in Table 1 on page 10 of this document Figure 6 Noise Assembly to Chassis Installation ...

Page 23: ...921 and N5245AU 921 Step 13 Assemble the A56 Port 1 Noise Bypass Switch onto the Bracket Follow the instruction shown in Figure 7 for this step of the procedure New parts are listed in Table 1 on page 10 of this document Figure 7 A56 Port 1 Noise Bypass Switch Assembly ...

Page 24: ...ade Kit Order Numbers N5244AU 921 and N5245AU 921 Step 14 Install the A56 Noise Bypass Switch Follow the two instructions shown in Figure 8 for this step of the procedure New parts are listed in Table 1 on page 10 of this document Figure 8 A56 Port 1 Noise Bypass Switch Installation ...

Page 25: ...45 20082 A56 port 1 noise bypass switch to A42 port 1 bias tee W137 N5245 20105 A57 port 2 noise bypass switch to A45 port 2 bias tee Figure 9 Option 400 419 423 Only N5245 20082 Cable Installation Follow instructions carefully when making cable connections especially wire harness connections Incorrect connections can destroy components resulting in additional customer costs Use a 5 16 in torque w...

Page 26: ... Cable Installation PNA Options 400 419 423 H85 Only Install the following cables in the order listed To see images showing the location of these cables refer to Figure 11 and Figure 12 New parts are listed in Table 1 on page 10 W124 N5245 20137 A56 port 1 noise bypass switch to A33 test port 1 coupler W125 N5245 20138 A57 port 2 noise bypass switch to A36 test port 2 coupler ...

Page 27: ...26 Installation Note N5245 90109 Upgrade Kit Order Numbers N5244AU 921 and N5245AU 921 Figure 11 Option 400 419 423 H85 Only N5245 20137 Cable Installation ...

Page 28: ... parts are listed in Table 1 on page 10 W140 N5245 20107 A57 port 2 noise bypass switch to A58 port 2 bridge arm W139 N5245 20079 A57 port 2 noise bypass switch to A58 port 2 bridge thru W136 N5245 20080 A57 port 2 noise bypass switch to front panel Port 2 CPLR THRU W134 N5245 20084 A56 port 1 noise bypass switch to front panel port 1 CPLR THRU W133 N5245 20083 A56 port 1 noise bypass switch to fr...

Page 29: ...45 20134 A59 noise downconverter RF Out to A9 noise receiver board RF In One end of this cable will connect later to the A9 noise receiver board W151 N5245 20133 A59 noise downconverter LO Out to A9 noise receiver board LO In One end of this cable will connect later to the A9 noise receiver board ...

Page 30: ...ation Note N5245 90109 29 Keysight Extended Power Range and Bias Tees Upgrade Kit Order Numbers N5244AU 921 and N5245AU 921 Figure 13 Options 400 419 423 H29 and Options 400 419 423 H29 H85 Cable Installation ...

Page 31: ...1 Place the analyzer top side up on a flat surface 2 Follow the four instructions shown in Figure 14 for this step of the procedure Make sure the A9 noise receiver board is fully seated in the motherboard connector New parts are listed in Table 1 on page 10 of this document Figure 14 A9 Noise Receiver Board and Cables Installation ...

Page 32: ...s 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 any adhesive remaining on the front panel 4 Remove the protective backing from the new front panel overlay item Á 5 Loosely place the overlay in the recess on the lower front panel 6 Placing the index finger of both hand...

Page 33: ...32 Installation Note N5245 90109 Upgrade Kit Order Numbers N5244AU 921 and N5245AU 921 Figure 15 Lower Front Panel Overlay Replacement ...

Page 34: ...n the PDF Service Guide1 Step 19 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 Guide1 Step 20 Install the New Ribbon Cable on the A23 Test Set Motherboard Ribbon cable N5245 60013 was connected earlier to the Noise Down Converter Now connect the other end of the ribbon cable to J550 on the...

Page 35: ...45AU 921 Step 21 Reroute the A44 and A45 Bias Tees Wire Harnesses Follow the two instructions shown in Figure 16 for this step of the procedure The board shown in this photo may look different from the board in your PNA Figure 16 Rerouting the A44 and A45 Bias Tees Wire Harnesses ...

Page 36: ...n the grey flex cables so they can t be pinched between the covers and the rails On the bottom side of the PNA carefully fold or push down the ribbon cables and wires so they can t be pinched between the hardware and the outer cover Ribbon cables and wires must never be positioned on top of hardware Step 24 Install the New Inner Cover If not already done discard the old inner cover Install the new...

Page 37: ...red Option box A list of available options will appear 3 In the Select Desired Option list click H29 Full Noise Measurements 4 Using the keyboard enter the keyword you obtained in the box provided Enter this keyword exactly as provided 5 Click Enabl 6 Click Yes in answer to the displayed question in the Restart Analyzer box 7 When the installation is complete click Exit Option Verification Procedu...

Page 38: ...k Analyzer In the About Network Analyzer window under Options verify that 028 is not listed If it is listed continue with the instructions in this step to remove Option 028 If it is not listed skip the remainder of this step and go to the next one Option 028 Removal Procedure 1 To start the option enable utility press UTILITY then then An option enable dialog box will appear 2 Click the arrow in t...

Page 39: ... 4 Click Service Manual 5 Click the service guide title to load the PDF file 6 When the PDF of the Service Guide is displayed scroll through the Contents section bookmarks to locate the Tests Adjustments chapter After the specified adjustments have been performed the analyzer should operate and phase lock over its entire frequency range Operator s Check Perform the Operator s Check to check the ba...

Page 40: ... N5245AU 921 Step 29 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 the test ports 4 Clean the analyzer as needed using a damp cloth ...

Page 41: ...40 Installation Note N5245 90109 Upgrade Kit Order Numbers N5244AU 921 and N5245AU 921 ...

Page 42: ...This information is subject to change without notice Keysight Technologies 2011 2016 February 2016 N5245 90109 N5245 90109 www keysight com ...

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