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Keysight M9485A PXIe
Multiport Vector Network
Analyzer
M9300A, Frequency Reference
M9389A, PXIe Vector Network Analyzer Source
M9309A, PXIe Vector Network Analyzer Synthesizer
M9340A, PXIe Vector Network Analyzer RF Distributor
M9376A, PXIe Vector Network Analyzer Receiver
M9377A, PXIe Vector Network Analyzer Direct Access Receiver
M9378A/B, PXIe Vector Network Analyzer Directional Coupler
Service Guide
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Table of Contents
Related Manuals for Keysight M9485A
Summary of Contents for Keysight M9485A
- Page 1 Keysight M9485A PXIe Multiport Vector Network Analyzer M9300A, Frequency Reference M9389A, PXIe Vector Network Analyzer Source M9309A, PXIe Vector Network Analyzer Synthesizer M9340A, PXIe Vector Network Analyzer RF Distributor M9376A, PXIe Vector Network Analyzer Receiver M9377A, PXIe Vector Network Analyzer Direct Access Receiver...
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Page 2: Safety Notices
PERFORMANCE OF THIS DOCUMENT OR ANY INFORMATION to the public to use, modify, CONTAINED HEREIN. SHOULD reproduce, release, perform, KEYSIGHT AND THE USER HAVE A display, or disclose commercial SEPARATE WRITTEN AGREEMENT computer software or... -
Page 3: Table Of Contents
2 ........ - Page 4 Contents Keysight NxxxxX Installation Guide...
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Page 5: Service Guide Introduction
11: This section highlights the installation procedure for starting up M9485A. — “Troubleshooting” on page 13: This section provides an overall view on how M9485A operates and provide guides for user to troubleshoot their M9485A. — “Performance Verification and Adjustment” on page 17: This section shares information regarding to performance test and adjustment test for M9485A. -
Page 6: Related Documentation
M9485A. — Web Help: Web Help is a browser based help system which the contents are the same as HTML help. The M9485A help includes the information of Quick Start, Specification, Operation and Programming. All the product documentation noted above is available in Keysight.com. To find the latest versions of the documentation, go to the product web site www.keysight.com/find/M9485A... -
Page 7: M9485A Overview
Module Configuration M9485A’s number of port configuration is reflected on the option M9485A-1XX, where the “XX” represents the number of port configuration. For example, M9485A-112 is a 12 port receiver configuration. Additional option 009 (Frequency Offset Mode), 010 (Time Domain Analysis) and 551 (N-port calibrated measurement) are also available and is transportable license. -
Page 8: Source
Figure 2-1 M9485A 12-Port Module Configuration Source The M9485A is made up of 3 source modules, namely M9300A Frequency Reference Module, M9309A Synthesizer Module and VNA Source Module. M9300A Frequency Reference Module M9300A provides multiple outputs: Five 100MHz output, one 10MHz output and one 10MHz OCXO output. -
Page 9: Distributor
M9389A’s Module (M9309A MMI Label is stuck after calibration) Figure 2-3 Standalone M9309A Distributor M9340A is the RF Distributor Module for M9485A. Refer to Keysight’s M9340A PXIe Vector Network Analyzer RF Distributor website for more details. Keysight M9485A PXIe Service Guide... -
Page 10: Divider
M9485A Overview Module Configuration Divider M9485A could hold up to three 4-way divider. There will be 2-way or 4-way divider available for installation depending on the port configuration for M9485A. For example, when customers upgrade their 2 port configuration to 4 port configuration, the 2-way divider must be replaced by the 4-way divider due to design constraint. -
Page 11: Software
Module Configuration Figure 2-6 Module’s Physical Differences Software M9485A PXIe Multiport Vector Network Analyzer firmware controls all of the modules to work as one complete network analyzer. The firmware can be downloaded from http://www.keysight.com/support/m9485a. Refer to M9485A Startup Guide for further details. -
Page 12: Repair Strategy
M9485A Overview Repair Strategy Repair Strategy The Repair Strategy for M9485A is to repair each module independently by replacing with calibrated module (as core exchange replacement procedure). In other words, user is expected to send only their defective module instead of whole system for repair. - Page 13 M9485A Overview Repair Strategy Figure 2-7 Calibration Due Date shown in About NA Keysight M9485A PXIe Service Guide...
- Page 14 M9485A Overview Repair Strategy Keysight M9485A PXIe Service Guide...
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Page 15: Installation
Installation M9485A PXIe Service Guide Installation For M9485A module installation, port configuration, software installation and so on, refer to M9485A Startup Guide... - Page 16 Installation Keysight M9485A PXIe Service Guide...
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Page 17: Troubleshooting
Troubleshooting M9485A PXIe Service Guide Troubleshooting This section contains three parts, a simplified block diagram with M9485A’s overall operation theory, Operator’s Check and also System Verification troubleshooting. The M9485A software will show errors when the module is placed in the wrong location. -
Page 18: Block Diagram
Simplified Block Diagram for M9485A Figure 4-1 shows the simplified block diagram for M9485A system. In the source section, M9300A is the frequency reference with the output of 100MHz connected to 2 or 4-way divider and to Ref In of the receiver module. M9309A outputs the LO frequency signal covering from 187.5MHz to 6GHz while... -
Page 19: Operator's Check
Firstly, the Operator’s Check will check on modules’ condition using built-in level detector and frequency counter (refer to Block Diagram Figure 4-1 on page 4-14). If there is any defective module, the error message will pop up as Keysight M9485A PXIe Service Guide... -
Page 20: System Verification
If the front panel is having error, perform check on the front panel connections.If the back plane is having error, check on the connection expert to confirm that the chassis is detected correctly. For non-Keysight chassis setup, refer to M9485A FAQ-Setup for Non-Keysight PXI Chassis M9485A FAQ. -
Page 21: Performance Verification And Adjustment
TME platform. Refer to the respective TME N7800A Application for ETE list, test list and so on. M9389A - Keysight N7870A PXI Signal Generator Calibration Application Software M9300A- Keysight N7873A PXI Frequency Reference Calibration Application... -
Page 22: Vee Adjustment
M9376A Receiver Module. For any failed adjustment test, we recommend to replace the module respectively. The list required test equipment and test list are as below: ETE Requirements Due to the limitation of M9485A Software, the following items are needed to setup a system. Chassis/Mod ule Needed M9340A... -
Page 23: Adjustment Test List
The Adjustment Test list for M9376A Receiver Module: — AdjSysCalBackup — Adj_SrcFGain — Adj_SrcLin — Adj_LclLvl — Adj_Compression — Adj_RFRng — Adj_VtlBdg — AdjVerification Refer to “Write Serial Procedure” on page 23 for writing serial number on module. Keysight M9485A PXIe Service Guide... - Page 24 Performance Verification and Adjustment VEE Adjustment Keysight M9485A PXIe Service Guide...
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Page 25: Service
Service Replaceable Parts M9485A PXIe Service Guide Service Replaceable Parts Refer to M9485A Part List for the parts that could be replaced. -
Page 26: Module Core Replacement
Service Module Core Replacement Module Core Replacement As mentioned previously, the repair strategy for M9485A is calibrated core exchange replacement. The module will have the Certificate of Calibration furnished. After receiving the replacement, proceed for the following steps: 1. Power down the chassis. -
Page 27: Write Serial Procedure
Pop-up box after launching Write Serial Program 2. In the next screen, input the directory for the Write Serial Program and press “Next”. Figure 6-4 Screen to input Home Directory of the Write Serial Program Keysight M9485A PXIe Service Guide... - Page 28 Figure 6-6 Connections of Module 5. The screen will then shows the Model and Serial Number to be written on the module (highlighted in orange). Make sure that the Serial Number is correct before pressing “OK”. Keysight M9485A PXIe Service Guide...
- Page 29 Service Module Core Replacement Figure 6-7 Serial Number input 6. The screen will show “PASSED” if the serial number is written successfully. The screen will show “FAILED” when the Cancel button is pressed. Keysight M9485A PXIe Service Guide...
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Page 30: Post-Module Replacement (On-Site)
6-8. The calibrated data will be stored in your PC and it will be valid until any changes on the configuration. The M9485A software will prompt for System Power Calibration if the software detects any changes on your configuration. To achieve more accurate on output power level, one could use power sensor during the System Power Calibration. - Page 31 This information is subject to change without notice. Always refer to the Keysight website for the latest revision. © Keysight Technologies 2015-2017 Edition 2, June 2017 *M9485-90100* M9485-90100 www.keysight.com...