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N9918A
Keysight N9918A User Manual
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Keysight
FieldFox
Analyzers
This manual provides documentation for the following models:
N9913A, N99914, N9915A, N9916A, N9917A, N9918A
N9925A, N9926A, N9927A, N9928A
N9935A, N9936A, N9937A, N9938A
N9950A, N9951A, N9952A
N9960A, N9961A, N9962A
User's
Guide
2
Table of Contents
Table of Contents
7
Overview
21
Models and Options
21
Accessories
22
Optional Accessories
22
Fieldfox Manuals, Software, and Supplemental Help
23
Conventions that Are Used in the Manual
23
Safety Notes
23
Preparing for Initial Use of Your New Fieldfox
25
Check the Shipment
25
Meeting Power Requirements for the AC/DC Adapter
25
Install the Lithium-Ion Battery
26
Battery Usage
26
Fieldfox ON/OFF Settings
27
Power Button LED Status
28
Fieldfox High Temperature Protection
28
How to Monitor the Internal Fieldfox Temperature
28
Temperature Control Mode
29
High-Temp Shutdown Warning (RTSA Mode Only)
31
Avoid Overpowering the Fieldfox
32
Take the Fieldfox Tour
33
Front Panel
33
Top Panel
36
Right Side Panel
36
Left Side Panel
38
Screen Tour
39
How to Enter Numeric Values
41
Multiplier Abbreviations
41
Connector Care
42
3 Cat (Cable and Antenna Test) Mode
43
Chapter 3 CAT (Cable and Antenna Test) Mode
43
CAT Mode Settings
45
How to Select CAT Mode
45
Measurement Selection
45
Quick Settings Table
46
Frequency Range
47
Scale Settings
47
Averaging
48
Smoothing
49
Single or Continuous Measure
49
Resolution (Number of Data Points)
50
Sweep Time
50
Output Power
51
Interference Rejection
51
Coupled Frequency
52
1-Port Cable Loss Measurements
53
How to Make a 1-Port Cable Loss Measurement
54
Return Loss Measurements
53
How to Measure Return Loss
53
2-Port Insertion Loss Measurements
55
How to Make Dtf Measurements
58
Chapter 4 DTF (Distance to Fault) Measurements How to Make DTF Measurements
58
DTF Measurement Settings
60
DTF Settings Table
60
DTF Measurement (Format)
60
DTF Start and Stop Distance
61
Frequency Mode
61
Coupled Frequency
62
Cable (Correction) Specifications
63
Window Settings
66
DTF Units
67
Calculated DTF Values
67
About Alias Faults
67
5 Tdr (Time Domain Reflectometry) - Option 215
69
TDR Measurement Settings
72
TDR Measurement (Format)
72
TDR Settings Table
72
TDR Start and Stop Distance
73
TDR Sweep
73
Frequency Mode
74
Cable (Correction) Specifications
75
Window Settings
78
TDR Units
79
Calculated TDR Values
79
About Alias Faults
80
How to Prevent Undersampling
81
6 Na (Network Analyzer) Mode
83
Chapter 6 NA (Network Analyzer) Mode
83
NA Mode Settings
85
About S-Parameters
85
Mixed-Mode S-Parameters
86
Parameter Conversion
87
Receiver Measurements
88
Multi-Trace Configurations
89
Quick Settings
90
Calibration Settings
91
Format
92
Frequency Range
93
Scale Settings
93
Magnitude Offset
94
Electrical Delay
95
Phase Offset
95
Averaging
96
IF Bandwidth
97
Smoothing
97
Single or Continuous Measure
98
Resolution (Number of Data Points)
98
Sweep Time
99
Triggering
99
Output Power
100
System Impedance (Z0)
101
Port Extensions
101
Velocity Factor
102
Big Marker Display States (a and B)
103
Increase Dynamic Range
105
7 Time Domain - Option 010
107
Time Domain - Option 010
108
Overview
109
Time Domain (Transform) Settings
110
Transform Settings Table
110
Start/Stop (Frequency Range) and Points
110
Stimulus (Mode)
111
Set Frequency Lowpass
111
Start/Stop Time
111
Distance Units
112
Window Layout
112
Transform Window
112
Line Loss and Velocity Factor
113
Data Chain
114
Trace Settings
115
Transform Enable
115
Gate Enable
115
Gating
116
How to Make Time Domain Gating Settings
117
Start, Stop, Center, and Span Gate Times
117
Gating Type
117
8 Calibration for Na, Cat, and VVM Modes
119
Chapter 8, "Calibration for NA, CAT, and VVM Modes
119
Calibration for NA, CAT, and VVM Modes
120
Why and When to Calibrate
120
Definitions
120
Calready
121
How to Perform a Calibration
121
Quickcal (N991Xa/2Xa/3Xa Only)
123
Mechanical Cal
125
Ecal
128
Simple Response Cals
130
View Cal
132
Calibration Type
132
Isolation Step
135
Waveguide Calibrations
135
Enhanced Response Optimization
137
Interpolation
138
Cal on ? - Questionable Accuracy
138
Compatible Mode Calibrations
138
Save the Calibration
138
Calready Properties
139
Verifying Calibration and Jumper Cable Integrity
140
Verify a Calibration
140
Test the Jumper Cable
140
Calibration Method Summary
141
SA (Spectrum Analyzer) Mode
143
Table of Contents
144
SA Mode Settings
146
How to Select SA Mode
146
Frequency Range
146
Radio Standard
148
Custom Radio Standards
148
Channel Selection
149
Reverse Swap
151
Scale and Units
151
External Gain
152
Attenuation Control
152
Preamplifier Control (Opt 235)
153
Check for Compressed Measurements
153
Field Strength Measurements
154
Using the Antenna/Cable Editor
156
Source Tracking Offset and Offset Reversal
158
Tune & Listen (AM/FM)
159
Independent Source/Tracking Generator
161
Resolution Bandwidth (Res BW)
163
Video Bandwidth (Video BW)
164
Sweep Type
164
IF Output
165
Sweep Acquisition
166
Very Long Sweep Times
167
Zero Span Measurements
167
Triggering
169
FFT Gating (Opt 238)
172
Single / Continuous / Restart
174
Points
174
Trace Display States (SA Mode)
175
Average Type
176
Average Count
176
Alignments
177
RF Burst Amplitude Alignment
182
Detection Method
184
Display Line
186
Noise Marker
187
Band/Interval Power Marker
187
Frequency Counter at Marker
188
Time Zero Fixed Marker
189
Audio Beep at Marker Power
189
Meas UNCAL Error
190
Old Data Indicator (*)
190
Channel Measurements
191
Radio Standards and Channel Measurements
191
Measurement Preset
191
Averaging
191
Traces
192
Channel Power (CHP)
192
RTSA (Real-Time Spectrum Analyzer) Mode-Option 350 (CPU2 Only)
203
Table of Contents
204
RTSA Mode Settings
205
How to Select RTSA Mode
205
Frequency Range
205
Scale and Units
206
External Gain
207
Attenuation Control
207
Preamplifier Control (Opt 235)
208
Check for Compressed Measurements
209
Spectrum Selection
209
Resolution Bandwidth (Res BW)
212
Triggering
213
TDR (Time Domain Reflectometry) - Option
215
Single / Continuous / Restart / Time Per DIV
216
Acq Time
217
Points (Not User Settable)
217
Trace Display States
218
Detection Method
219
Average Count, Show Density, Blue, and Red Percentage Limits
220
Alignments
221
Display Line
221
Average Count
221
Spectrogram Display
223
Spectrogram Display (RTSA Option)
223
Common Settings for Spectrogram
224
Record/Playback (RTSA Option)
225
About Sessions
225
Fieldfox Setting Changes During Record and Playback
226
About State and User Tags
227
How to Record a Session
228
How to Playback a Session
229
Recording Configuration
230
Record Source
231
Playback Configuration
232
Manage Sessions
232
Record Playback Example (RTSA Mode Only)
233
IQ Analyzer (IQA) - Option 351 (CPU2 Only)
235
Interference Analyzer (SA Mode) - Option
236
About I/Q Analyzer (IQA) Measurements
238
I/Q Analyzer (IQA) Mode Settings
239
How to Make Measurements Using the I/Q Analyzer Mode
239
How to Capture I/Q Data to a File
240
How to Modify the I/Q Data Measurement Parameters
243
Adjusting the Bandwidth Settings
243
Changing between the Continuous and Single Captures and Adjusting the Trigger Settings
246
Adjusting the Measurement Setup Settings
248
Adjusting the Trace Settings
249
Adjusting the Frequency Settings
250
Adjusting the Scale and Amplitude Settings
251
Preamplifier Control (Opt 235)
253
Using Markers (IQA)
254
Noise Marker
254
Band/Interval Power Marker
255
Band Span Marker (Spectrum Only)
256
Interval Span Marker (Waveform Only)
256
Coupled Markers (Waveform Only)
256
Continuous Peak Search Marker
258
Alignments
259
Trace Display States (IQA Mode)
259
How to Display the Trace States
259
Other Features Available
261
Remote Server Mode (Requires CPU2 and SA Hardware/Sa Option 233) in this Chapter
264
Connecting Using Remote Server
265
89600 VSA Software Overview (Requires CPU2 and N991Xa/3X/A5X/A6Xa and SA Option 233)
267
Spectrogram and Waterfall Displays
270
Spectrogram Display (SA Option)
270
Common Settings for Waterfall and Spectrogram
272
Waterfall Display
273
Record/Playback (SA Option)
275
About Sessions
275
Fieldfox Setting Changes During Record and Playback
276
About State and User Tags
277
How to Record a Session
278
How to Playback a Session
279
Recording Configuration
279
Frequency Mask Trigger Configuration (SA Mode Only)
281
Record Source
282
Playback Configuration
283
Manage Sessions
283
Record Playback Example (SA Only)
284
Reflection Mode (SA Models) - Option
287
Reflection Mode Settings
290
How to Select Reflection Mode
290
Measurement Selection
290
Normalize
290
15 Built-In Power Meter Mode - Option 310
293
Built-In Power Meter Settings
295
How to Select Built-In Power Meter Mode
295
Frequency/ Span / Step
295
Attenuation
296
Radio Standard
296
How to Set Attenuation
296
See also
298
Power Meter (USB) Mode - Option 302
299
Supported Power Sensors
299
How to Connect the Power Sensor
299
USB Power Meter Settings
301
How to Select Power Meter Mode
301
Average / Peak
301
Zeroing
301
Frequency
302
Source Control
302
Power Meter (USB) Mode - Option
302
Scale
303
Relative and Offset Power Measurements
304
Display Units
304
Resolution
304
Averaging
305
Single or Continuous Measure
305
Step Detection Mode
306
Limits
306
Frequency Offset Using Power Sensor (FOPS) - Option 208 Overview
309
FOPS Settings
311
How to Select Power Meter (USB Sensor)
311
Measurement Selection
311
Sweep Type and Frequency
312
Power Sensor Settling
314
Sweep Settings
314
Amplitude Markers
315
Trace Math
315
Supported Power Sensors
319
Switching between Pulse Measurement Mode and Power Meter Mode
319
How to Connect the Power Sensor
319
Pulse Measurement Settings
320
How to Select Pulse Measurement Mode
320
Measurement Selection
320
Frequency / Time
320
Zoom Window
321
Scale
322
Averaging
322
Video Bandwidth
323
Single or Continuous Measure
323
Resolution
324
Triggering
324
Marker Settings
327
Amplitude Markers
328
Marker Search
328
Auto Analysis
329
Pulse Measurements Mode - Option
330
Pulse Top
330
Grid
330
Trace Memory
330
VVM (Vector Voltmeter) Mode - Option
333
Overview
335
VVM Mode Settings
336
How to Select VVM Mode
336
Measurement Selection
336
Frequency Selection
336
Display Resolution
336
IF Bandwidth
337
Output Power
337
Averaging
338
Single or Continuous Measure
339
VVM Calibration
339
Zeroing
339
1-Port Cable Trimming Measurements
341
How to Make a 1-Port Cable Trimming Measurement
341
2-Port Transmission Measurements
343
How to Make a 2-Port Transmission Measurement
343
A/B and B/A Measurements
345
ERTA (Extended Range Transmission Analysis) Mode - Option
347
Overview
348
Requirements and Limitations
349
Requirements
349
Limitations
349
Start Connection Wizard
350
On the Receiver Unit
350
Configure Measurement Settings
354
Select Measurement
354
Normalize
355
Source Tracking Offset and Offset Reversal
355
Improve Dynamic Range
356
Source Enable and Source Mode
356
AM/FM Metrics (SA Only and Option 355)
357
Using AM/FM Metrics
357
Overview of Measurement Types
357
How to Set up AM/FM Metrics
360
SINAD and THD Calculations
364
Interpreting AM/FM Metrics Error Messages
367
Test Tone Not Found
367
Channel Scanner (Option 312)
371
Using Channel Scanner
371
How to Set up Channel Scanner
372
How to Define a Channel and Use Channel Scanner
374
Field Strength Measurements
386
Using the Antenna/Cable Editor
391
Noise Figure Mode (Option 356 - CPU2 Only)
395
Using Noise Figure
398
How to Define a Noise Figure Measurement
402
Example: Typical Noise Figure Measurement Procedure
402
Overview of Softkey Menus
403
How to Use DUT Measurement Setups
410
Single / Continuous / Restart
422
Points
422
Resolution Bandwidth (Res BW)
423
Alignments
423
Calculating Noise Figure Measurement Uncertainty
424
Using ENR Tables
429
About ENR (*.Enr), Preamplifier (*.Amp), and DUT (*.Dut) Files
430
Using Markers (Noise Figure)
432
Calibration Wizard
433
When to Calibrate
433
How to Use Auto-Integration
436
About Auto-Integration
436
Auto-Integration Procedure
437
Other Features Available
442
Troubleshooting
443
All about Markers
446
How to Create Markers
446
How to Move a Marker after It Is Created
446
About Delta Markers
447
Signal Track Marker (NF and SA Mode ONLY)
448
Marker Table
448
Coupled Markers (NA Mode)
449
Marker Colors
450
Marker Trace (CAT, NA, NF Modes)
450
Marker Trace (IQA and SA Mode)
450
Marker Format
451
Searching with Markers
452
What Is a 'Peak
457
Marker Functions
459
I/Q Analyzer (IQA) Marker Functions
460
SA Marker Functions
460
All about Limit Lines
461
How to Create Fixed Limit Lines
461
Relative Limit Lines
462
Build from Trace
462
Limit Options
463
How to Save and Recall Limits
464
Display Line (I/Q, NF, and SA Modes Only)
465
All about Trace Math
466
How to Display Data and Memory Traces
466
How to Perform Trace Math
466
About Math Operations
467
All about Scale Settings
468
How to Use Scale Settings
468
Averaging (CAT, NA, Power Meter, Channel Scanner, and Pulse Measurement Modes Only)
468
System Settings Run/Hold
472
How to Perform a Single Sweep While in Hold
472
Preset
473
How to Preset the Fieldfox
473
User Preset
473
How to Set User Preset
473
How to Recall User Preset
474
Audio (Volume) Control
474
How to Set the Fieldfox Volume Control
474
Display (Settings)
475
Display Brightness
475
Display Colors
475
Trace Width
476
Title
476
Edit Keywords
477
Full Screen Mode
477
Preferences
477
Quick Settings Table
477
Save and Reset Preferences
478
Global Settings (Overview)
479
Display
481
Audio
482
Date and Time
483
Gps
483
How to Select CAT Distance Units
483
File Folders
484
How to Set File Folders
484
Alpha Numeric Editing
485
CAT (Distance Units)
485
File Saving Naming Options
485
Cat/Na
486
System Configuration
487
Options (Licensing)
487
Gps
488
Frequency Reference Source
492
Variable Voltage Source (Opt. 309)
494
Security Level
495
Date and Time, Format, and Time Zone Settings
495
LAN Settings
497
Power on
498
Fieldfox Package Installer
499
Serial Number Prefixes ≥5607)
499
Service Diagnostics
501
System Information
501
Using the Mini-USB Port to Send SCPI Commands and Queries
503
Mini-USB Connection to PC with IO Libraries
503
Saving and Recalling Files
506
Save Files
506
Recall Files
510
Move (Copy) Files
510
Set File Type and Select Device
511
Manage Files
514
Manage Folders
516
Edit Keywords
517
Prefixes and Suffixes for Filenames
517
Press Printing
520
How to Print the Current Screen or a Saved File
520
28 Working with the Lithium-Ion Battery
521
Viewing the Battery Charge Status
521
Service Diagnostics-Battery Screen
522
Built-In Battery Gauge
522
Charging the Battery
523
Internal Charging with the AC/DC Adapter
523
Using the External Battery Charger (N9910X-872)
525
Reconditioning Battery
526
Battery Care
526
Maximizing Battery Life
526
Lithium-Ion Battery Disposal
527
29 Safety Considerations
529
For the Fieldfox
530
For the AC/DC Adapter
532
For the External Battery Charger (N9910X-872)
533
For the Battery
533
Battery Protective Functions
534
Active Protection
535
Passive Protection
536
Batteries: Safe Handling and Disposal
536
Environmental Requirements
536
Electrical Requirements
536
Electrostatic Discharge (ESD) Precautions
537
Fieldfox Markings
538
Battery Markings
539
Packaging Markings
541
AC/DC Adapter Markings
541
Certification and Compliance Statements
542
Certification
542
Manufacturer's Declaration
542
Declaration of Conformity
542
Emc
543
Safety
543
South Korean Class B EMC Declaration
543
Acoustic Statement (European Machinery Directive)
543
A:.connector Care Review
545
B:.specifications/Data Sheet
549
C:.instrument Calibration
551
How Often Should Calibrate My Instrument
551
How Do I Get an Instrument Calibration
551
What Are My Choices of Instrument Calibration
552
D:.korean Battery Safety Translation
553
4
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Keysight N9918A Specifications
General
Brand
Keysight
Model
N9918A
Category
Measuring Instruments
Language
English
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