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Keysight N5225A Manuals
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Keysight N5225A manuals available for free PDF download: Service Manual, Security Features And Document Of Volatility
Keysight N5225A Service Manual (344 pages)
2-Port and 4-Port PNA Microwave Network Analyzers
Brand:
Keysight
| Category:
Analytical Instruments
| Size: 17.29 MB
Table of Contents
Table of Contents
5
Safety and Regulatory Information
11
8 General Purpose Maintenance Procedures
12
Information in this Chapter
12
Chapter One At-A-Glance
12
Safety Symbols
13
General Safety Considerations
13
Safety Earth Ground
13
Before Applying Power
13
Servicing
14
Electrostatic Discharge Protection
16
Regulatory Information
17
Instrument Markings
17
Lithium Battery Disposal
18
General Product Information
19
Information in this Chapter
20
Chapter Two At-A-Glance
20
Maintenance
21
Physical Maintenance
21
Electrical Maintenance
21
Analyzer Options, Accessories, and Upgrades Available
22
Pulse I/O Adapter-N1966A
22
Required Service Test Equipment
23
Keysight Support, Services, and Assistance
26
Service and Support Options
26
Contacting Keysight
26
Shipping Your Analyzer to Keysight for Service or Repair
27
Tests and Adjustments
29
Information in this Chapter
30
Conventions Used for Hardkeys, Softkeys, and Menu Items
30
Chapter Three At-A-Glance
30
Before You Begin
32
Verify the Operating Environment
32
Protect against Electrostatic Discharge (ESD)
32
Allow the Analyzer to Warm up
32
Review the Principles of Connector Care
33
About System Verification and Performance Tests
34
System Specifications
34
Instrument Specifications
34
System Verification Procedure
34
Performance Tests
35
Certificate of Calibration
35
ANSI/NCSL Z540.3-2006 and ISO/IEC 17025 Verification
36
Non-Standards Compliant Verification
37
Preliminary Checks
38
The Operator's Check
38
The Test Port Cable Checks
40
System Verification
47
What the System Verification Verifies
47
Measurement Uncertainty
48
Measurement Traceability
49
Performing System Verification
50
Performance Tests
56
Source Power Accuracy Test
57
Source Maximum Power Output Test
58
Source Power Linearity Test
59
Frequency Accuracy Test
60
Trace Noise Test
61
Receiver Compression Test
62
Noise Floor Test
64
Calibration Coefficients Test
65
Dynamic Accuracy Test
66
Adjustments
67
10 Mhz Frequency Reference Adjustment
68
IF Gain Adjustment
69
Synthesizer Bandwidth Adjustment
69
Source Adjustment
70
Receiver Adjustment
71
Receiver Characterization
74
EE Default Adjustment
74
Troubleshooting
75
Information in this Chapter
76
Chapter Four At-A-Glance
76
Conventions Used for Hardkeys, Softkeys, and Menu Items
77
Operating the Analyzer with Covers Removed
77
Protect against Electrostatic Discharge (ESD)
77
Assembly Replacement Sequence
77
Getting Started with Troubleshooting
78
Check the Basics
78
Troubleshooting Organization
78
Power up Troubleshooting
80
Power Supply Check
81
Troubleshooting LCD Display Problems
86
Front Panel Troubleshooting
87
Front Panel Keypad and RPG Test
87
A3 Display Test
89
Checking the A2 USB Board
90
A1 Front Panel Interface Board
90
Rear Panel Troubleshooting
91
Checking the USB Ports
91
Checking the CONTROLLER Port
91
LAN Troubleshooting
92
Measurement System Troubleshooting
97
Before You Begin-Consider: Where Do You See a Problem
97
Verifying the A, B, C, D, and R Traces (Standard S-Parameter Mode)
100
Where to Begin Troubleshooting
102
Checking the Source Group
104
Checking the Signal Separation Group
109
Checking the Receiver Group
113
Instrument Block Diagrams Sheet 1
118
Instrument Block Diagrams Sheet 2
120
Theory of Operation
121
Information in this Chapter
122
Chapter Five At-A-Glance
122
Network Analyzer System Operation
123
Functional Groups of the Network Analyzer
124
Synthesized Source Group Operation
127
Basic Operation
127
A4, A15, and A17 13.5 Ghz Synthesizer Boards
131
A5 and A10 26.5 Ghz Source Boards
131
A7, A8, A12, and A13 50 Ghz Doubler Boards
132
A25 Multiplier/Amplifier 26.5 Board (HMA26.5)
132
A14 Frequency Reference Board
132
A23 Test Set Motherboard
133
Signal Separation Group Operation
137
Configurable Test Set
137
A29-A32 Receiver Couplers
138
A33-A36 Test Port Couplers
138
A38-A41 60-Db Source Step Attenuators and A42-A45 Bias Tees
138
Receiver Group Operation
141
A46-A49 35-Db Receiver Step Attenuators
141
A37 Reference Mixer Switch
141
A27 and A28 Mixer Bricks
141
A16 SPAM Board (Analog Description)
142
A24 if Multiplexer Board
142
Digital Processing and Digital Control Group Operation
146
Front Panel Subgroup
148
Data Acquisition and Processing Subgroup
148
Power Supply Group Operation
151
Replaceable Parts
153
Information in this Chapter
155
Chapter Six At-A-Glance
155
Ordering Information
156
Assembly Replacement Sequence
156
Rebuilt-Exchange Assemblies
157
Replaceable Parts Listings
158
Front Panel Assembly, Front Side, All Options
162
Front Panel Assembly, Back Side, All Options
164
Top Assemblies and Cables, All Options
168
2-Port Configuration, Option 200
174
2-Port Configuration, Option 201
180
2-Port Configuration, Option 210
186
2-Port Configuration, Option 217
192
2-Port Configuration, Option 219
198
4-Port Configuration, Option 400
204
4-Port Configuration, Option 401
210
4-Port Configuration, Option 410
216
4-Port Configuration, Option 417
222
4-Port Configuration, Option 419
230
Rear Panel Assembly, All Options
238
Fan Assemblies, All Options
240
Top Hardware and Miscellaneous Parts, All Options
242
Bottom Hardware and Miscellaneous Parts
244
Internal Hardware and Miscellaneous Parts, All Options
246
External Hardware and Miscellaneous Parts, All Options
248
Miscellaneous Part Numbers
250
Repair and Replacement Procedures
253
Information in this Chapter
254
Chapter Seven At-A-Glance
254
Personal Safety Warnings
255
Electrostatic Discharge (ESD) Protection
255
Removal and Replacement Procedures
256
Removing the Covers
258
Removing and Replacing the Front Panel Assembly
260
Removing and Replacing the A1-A3 and Other Front Panel Subassemblies
262
Removing and Replacing the A4-A17 Boards
266
Removing and Replacing the A18 System Motherboard
268
Removing and Replacing the A19 Midplane Board
270
Removing and Replacing the A20 Power Supply Assembly
272
Removing and Replacing the A21 CPU Board Assembly
274
Removing and Replacing the A22 GPIB Board
276
Removing and Replacing the A23 Test Set Motherboard
278
Removing and Replacing the A24 if Multiplexer Board
280
Removing and Replacing the A25 HMA26.5
282
Removing and Replacing the A26 Splitter
284
Removing and Replacing the A27 and A28 Mixer Bricks
286
Removing and Replacing the A29-A32 Receiver Couplers and Receiver Coupler Mounting Brackets
288
Removing and Replacing the A33-A36 Test Port Couplers
290
Removing and Replacing the A37 Reference Mixer Switch
292
Removing and Replacing the A38-A41 Source Attenuators and the A46-A49 Receiver Attenuators
294
Removing and Replacing the A42-A45 Bias Tees
296
Removing and Replacing the A55 Solid State Drive (SSD)
298
Removing and Replacing the Rear Panel
300
Removing and Replacing the Front Panel LED Boards
302
Removing and Replacing the Fans
304
Removing and Replacing the Lithium Battery
306
Post-Repair Procedures
308
Error Terms
313
Using Error Terms as a Diagnostic Tool
313
Performing Measurement Calibration
313
Using Flowgraphs to Identify Error Terms
314
Accessing Error Terms
318
Error Term Data
320
Option Enable Utility
323
Accessing the Option Enable Utility
323
Option Entitlement Certificate
323
Enabling or Removing Options
324
Repairing and Recovering Option Data
325
Installing or Changing a Serial Number
326
Firmware Upgrades
327
How to Check the Current Firmware Version
327
Downloading from the Internet
327
Operating System Recovery
328
Recovering from Solid State Drive Problems
328
Correction Constants
329
Storing Correction Constants
329
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Keysight N5225A Security Features And Document Of Volatility (34 pages)
PNA Network Analyzers
Brand:
Keysight
| Category:
Measuring Instruments
| Size: 0.47 MB
Table of Contents
Table of Contents
4
1 Contacting Keysight Sales and Service Offices
5
2 Products Covered by this Document
6
Determining Installed Options and Processor Assembly Type
7
3 Security Terms and Definitions
8
4 Non-Volatile and Volatile Memory
9
Summary of Non-Volatile Instrument Memory
10
Disk Drive Partitioning
15
CPU Types and Mass Storage
16
Summary of Volatile Memory
17
LAN/USB/GPIB Devices
19
How to Disable USB, GPIB, and LAN
19
5 Memory Sanitization and Removal Procedures
20
Instrument Sanitization Procedure
22
Application License Key Storage
22
Replacement of Disk Drive
22
Items Required
22
Procedure
23
6 Disk Drive Removal Procedure
25
7 User and Remote Interface Security Measures
28
SCPI/GPIB Control of Interfaces
28
Operating System Security Features
28
USB Interfaces
29
Disabling or Enabling Autorun/Autoplay
29
Configuring USB for Read-Only
29
8 Procedure for Declassifying a Faulty Instrument
31
Appendix A References
32
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