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Keysight PNA-X N5241A Installation Note
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Keysight PNA-X N5241A Installation Note

Keysight PNA-X N5241A Installation Note

Noise figure measurement capability upgrade kit
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Keysight Noise Figure Measurement
Capability Upgrade Kit
To Upgrade PNA-X N5241A Option 419 or Option 423, N5242A
Option 419 or Option 423, N5249A Option 419 or Option 423,
N5241A-H85, N5242A-H85, or N5249A-H85 to include Option
029
Upgrade Kit Order Numbers: N5241AU-929, N5242AU-929, and
N5249AU-929
Keysight Kit Number: N5242-60106
Installation Note

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Summary of Contents for Keysight PNA-X N5241A

  • Page 1 Keysight Noise Figure Measurement Capability Upgrade Kit To Upgrade PNA-X N5241A Option 419 or Option 423, N5242A Option 419 or Option 423, N5249A Option 419 or Option 423, N5241A-H85, N5242A-H85, or N5249A-H85 to include Option Upgrade Kit Order Numbers: N5241AU-929, N5242AU-929, and...

  • Page 2: Safety Notices

    DOCUMENT OR ANY INFORMATION reproduce, release, perform, CONTAINED HEREIN. SHOULD display, or disclose commercial KEYSIGHT AND THE USER HAVE A computer software or SEPARATE WRITTEN AGREEMENT commercial computer software WITH WARRANTY TERMS COVERING THE MATERIAL IN THIS...
  • Page 3 Keysight Noise Figure Measurement Capability Upgrade Kit Upgrade Kit Order Number: N5241AU-929, N5242AU-929, and N5249AU-929 Installation Note Description of the Upgrade IMPORTANT! This kit contains the newer N5245-60124 noise receiver board (with tabs), which works with firmware version A.10.47 or greater running on the Windows 7 operating system.

  • Page 4: Getting Assistance From 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. In any correspondence or telephone conversation, refer to the Keysight product by its model number and full serial number.

  • Page 5: Getting Prepared

    The enclosed Option Entitlement Certificate is a receipt, verifying that you have purchased a licensed option for the PNA 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 6 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 receive your license key via postal mail.
  • Page 7 About Installing the Upgrade Products affected N5241A, N5242A, and N5249A Option 219 or 224, and N5241A-H85, N5242A-H85, and N5249A-H85 Installation to be performed by Keysight service center or personnel qualified by Keysight Estimated installation time 5.0 hours Estimated adjustment time 0.5 hours Estimated full instrument calibration time 7.0 hours...
  • Page 8 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...
  • Page 9 Description of the Upgrade Items Included in the Upgrade Kit Table 1 Contents of Upgrade Kit N5242-90010 Description Part Number Desig. Machine screw, M3.0 x 18, pan head (to attach A52 and A53 to switch brackets) 0515-0666 Machine screw, M3.0 x 6, pan head (to attach bias tee brackets) 0515-0430 Machine screw, M3.0 x 20, pan head (to attach A54 to side frame) 0515-1410...
  • Page 10 Description of the Upgrade Items Included in the Upgrade Kit Table 1 Contents of Upgrade Kit N5242-90010 Description Part Number Desig. W134 RF cable, A45 port 2 receiver attenuator to A23 mixer brick (B) N5242-20276 W135 RF cable, front-panel Port 2 RCVR B IN to A45 port 2 receiver attenuator N5242-20278 W136 RF cable, A33 reference mixer switch to A23 mixer brick (R1)
  • Page 11 Description of the Upgrade 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 12 Description of the Upgrade Installation Procedure for the Upgrade Instruments with Serial prefixes <5200 Only “Step 14. Modify the N5245-60124 Noise Figure Board (With Tabs) Per Instructions in the Upgrade Kit N5245-60125 (Serial prefixes <5200 Only).” All Instruments “Step 15. Install the A7 Noise Receiver Board.” “Step 16.
  • Page 13 If the model number, serial number, or option number do not match those on your license key, 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 14 Description of the Upgrade All Instruments Figure 1 Outer Cover Removal Step 3. Remove the Inner Cover Refer to Figure 2 for this step of the procedure. 1. With a T-10 TORX driver, remove the 12 pan head screws (item ① ). 2.
  • Page 15 Description of the Upgrade All Instruments Figure 2 Inner Cover Removal Installation Note N5242-90010...
  • Page 16 If you have problems with updating the PNA’s firmware, refer to “Getting Assistance from Keysight” on page Step 5. Verify Windows 7 OS with New A.10.47.00 Firmware or Greater If you have already verified that your PNA is running firmware A.10.47 or above, skip this step to “Step 6.
  • Page 17 Description of the Upgrade All Instruments All Instruments Step 6. Remove the Front Panel Assembly Refer to Figure 3 for this step of the procedure. 1. With a 5/16-in wrench, remove all front panel jumpers (item ① ). 2. With a T-10 TORX driver, remove the screws (item ➁) from the sides of the frame.
  • Page 18 Description of the Upgrade All Instruments Step 7. 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 19 Description of the Upgrade All Instruments — W24 Front panel port 2 CPLR THRU to A32 port 2 coupler For all analyzer serial numbers: — Front-panel Port 1 RCVR A IN to A42 port 2 receiver attenuator — A37 port 2 source attenuator to front-panel Port 2 SOURCE —...
  • Page 20 Description of the Upgrade All Instruments Figure 4 Existing Test Set Cables Removal Installation Note N5242-90010...
  • Page 21 Description of the Upgrade All Instruments Step 8. Remove the Existing Attenuators, Brackets, and Bias Tees (If Present) Refer to Figure 5 for this step of the procedure. Although only Option 419 is shown in the illustration, Option 423 is similar in appearance. 1.
  • Page 22 Description of the Upgrade All Instruments Figure 5 Existing Attenuators, Brackets, and Bias Tees Removal Step 9. Assemble the Old Attenuators and the New A52 and A53 Bypass Switches onto the New Brackets Refer to Figure 6 for this step of the procedure. New parts are listed in Table 1 on page 1.
  • Page 23 Description of the Upgrade All Instruments Figure 6 Attenuators and Bypass Switches Assembly Installation Note N5242-90010...
  • Page 24 Description of the Upgrade All Instruments Step 10. Install the New Brackets, with the Old Attenuators and the New A52 and A53 Bypass Switches, into the Analyzer Refer to Figure 7 Figure 8 for this step of the procedure. Although only Option 419 is shown in Figure 7, Option 423 is similar in appearance.
  • Page 25 Description of the Upgrade All Instruments Figure 7 New Brackets Installation into the Analyzer Installation Note N5242-90010...
  • Page 26 Description of the Upgrade All Instruments Figure 8 A23 and A24 Mixer Brick Assembly Installation Note N5242-90010...
  • Page 27 Description of the Upgrade All Instruments Step 11. Assemble the A29 and A32 Test Port Coupler Assemblies (For Analyzers with Serial Numbers Prefixed MY/SG/US5310 and Below) 1. Remove the A29 test port 1 coupler and A32 test port 2 coupler from the PNA.
  • Page 28 Description of the Upgrade All Instruments Figure 9 A29 and A32 Test Port Coupler Assembly Installation Note N5242-90010...
  • Page 29 Description of the Upgrade All Instruments Step 12. Install the New (3.5 mm) A29 and A32 Test Port Couplers onto the Front Plate (For Analyzers with Serial Numbers Prefixed MY/SG/US5310 and Below) 1. Install the two new test port couplers onto the front plate. 2.
  • Page 30 Description of the Upgrade All Instruments Step 13. Assemble and Install the A54 Bridge and A55 Noise Down converter Refer to Figure 10 for this step of the procedure. New parts are listed in Table 1 on page 1. Connect the A54 bridge to the A55 noise downconverter, using cable adapter W131, as shown.
  • Page 31 If your PNA serial prefix is >5200, skip to the next step. Follow the instructions in your N5245-60125 kit to modify your N5245-60124 to a no tabs noise board. Refer to http://literature.cdn.keysight.com/litweb/pdf/N5245-90125.pdf. All Instruments Step 15. Install the A7 Noise Receiver Board...
  • Page 32 Description of the Upgrade All Instruments Figure 11 Noise Receiver Board Installation Installation Note N5242-90010...
  • Page 33 Description of the Upgrade All Instruments Step 16. Install the Bulkhead Connectors in the Test Set Front Plate (For Analyzers with Serial Numbers Prefixed MY/SG/US5310 and Below) If your analyzer’s serial number is MY/SG/US5321 and above, ignore this step. Refer to Figure 12 for this procedure.
  • Page 34 Description of the Upgrade All Instruments Step 17. Install the New Test Set Cables 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 semirigid cables. Some flexing of the cables may be necessary but do not over-bend them.
  • Page 35 Description of the Upgrade All Instruments — W123 (N5242-20297) A52 port 1 bypass switch to front-panel Port 1 SOURCE OUT — W122 (N5242-20298) A34 port 1 source attenuator to A52 port 1 bypass switch — W126 (N5242-20272) A28 port 2 bridge to A37 port 2 source attenuator —...
  • Page 36 Description of the Upgrade All Instruments Figure 13 New Test Set Cable Installation, Part 1 Installation Note N5242-90010...
  • Page 37 Description of the Upgrade All Instruments Refer to Figure 14 for this part of this step of the procedure. Although only Option 419 is shown in the illustration, Option 423 is similar in appearance. New parts are listed in Table 1 on page 4.
  • Page 38 Description of the Upgrade All Instruments Step 18. Replace the A16 Power Supply (If Necessary) Refer to Figure 15 for this step of the procedure. The analyzer model shown in the illustration is for reference only and may not be the same as your analyzer. New parts are listed in Table 1 on page 1.
  • Page 39 Description of the Upgrade All Instruments Figure 15 Power Supply Replacement Keysight Installation Note N5242-90010...
  • Page 40 Description of the Upgrade All Instruments Step 19. Replace the lower front panel overlay Refer to Figure 15 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 ①...
  • Page 41 Description of the Upgrade All Instruments Figure 16 Lower Front Panel Overlay Replacement Step 20. Reinstall the Front Panel Assembly and Front Panel Jumpers Before installing the front panel assembly onto the analyzer, lift and support the front of the analyzer chassis. Refer to Figure 17 for this step of the procedure.
  • Page 42 Description of the Upgrade All Instruments 3. Slide the front panel over the front-panel connectors. ➁ 4. With a T-10 TORX driver, reinstall the 12 screws (item ) in the sides of the frame. ① 5. Reinstall the semirigid jumpers (item ) on the front panel, and tighten each of the connectors to 10-in lbs.
  • Page 43 Description of the Upgrade All Instruments Step 22. Reinstall the Inner Cover Refer to Figure 18 for this step of the procedure. 1. Position the inner cover on the analyzer. ① 2. With a T-10 TORX driver, install the 12 pan head screws (item ➁...
  • Page 44 Description of the Upgrade All Instruments Step 23. Reinstall the Outer Cover This procedure is best performed with the analyzer resting on its front handles in the vertical position. Do not place the analyzer on its front panel without the handles. This will damage the front panel assemblies Refer to Figure 19 for this step of the procedure.
  • Page 45 3. In the Select Desired Option list, click 029 - Full Noise Measurements. 4. Using the keyboard, enter the license key in the box provided. The license key is printed on the license message you received from Keysight. Enter this key exactly as it is printed on the message.
  • Page 46 Description of the Upgrade All Instruments — On the drop-down list, click About Network 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.
  • Page 47 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 48 Description of the Upgrade All Instruments Step 27. 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.
  • Page 49 Installation Note Xxxxx-xxxxx...
  • Page 50 This information is subject to change without notice. © Keysight Technologies 2012-2018 Edition 1, April 2018 www.keysight.com...

This manual is also suitable for:

Pna-x n5242aPna-x n5249aPna-x n5241a-h85Pna-x n5242a-h85Pna-x n5249a-h85