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FieldFox Handheld Analyzers
4/6.5/9/14/18/26.5/32/44/50/54 GHz
This configuration guide describes configurations, options, and
accessories for the FieldFox “B”-Series family of portable analyzers.
Use this guide, along with the technical overview and data sheet, for a
complete description of the analyzers. The table on page 3 titled
“FieldFox Family and Options” shows a comparison of the functions
available in the FieldFox family of analyzers.
Note: Combination analyzer (combo) = Cable and antenna tester
(CAT) + Vector network analyzer (VNA) + Spectrum analyzer (SA)
Included Accessories
The following accessories
are included with every
FieldFox:
•
AC/DC adapter
•
Battery
•
Soft carrying case
•
LAN cable
•
Quick Reference Guide
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Table of Contents
FieldFox Family and Options
...................................................................................................................... 3
FieldFox RF and Microwave (Combination) Analyzers
.............................................................................. 4
FieldFox RF and Microwave (Combination) Analyzer FAQs
..................................................................... 6
ERTA System Typical Configuration ........................................................................................................... 10
FAQs – Applicable to all FieldFox RF and Microwave Analyzers
.......................................................... 11
FieldFox Signal Analyzers ........................................................................................................................... 13
FieldFox Signal Analyzer FAQs .................................................................................................................. 14
Upgrades ..................................................................................................................................................... 15
Documentation ............................................................................................................................................ 18
Calibration Kits ............................................................................................................................................ 18
Accessories ................................................................................................................................................. 20
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FieldFox Family and Options
Option
Description
Combination Analyzers
N9913/4/5/6/7/8B
N9950/1/2/3B
Signal Analyzers
N9933/4/5/6/7/8B
N9960/1/2/3B
CAT / vector network analysis
010
VNA time domain ✓ —
210
VNA transmission/reflection
✓
—
211
VNA full 2-port S-parameters
✓
—
212
1-port mixed-mode S-parameters
✓
—
215
TDR cable measurements
✓
—
305
Cable and antenna analyzer
Base model1
— 2
308
Vector voltmeter ✓ —
320
Reflection meas. (RL, VSWR and scalar meas.)
— 3
✓
Spectrum analysis
209
Extended range transmission analysis (ERTA)
✓
✓
220
Tracking generator
— 4
✓
233
Spectrum analyzer
✓
Base model1
235
Pre-amplifier
✓
✓
236
Interference analyzer and spectrogram
✓
✓
238
Spectrum analyzer time gating
✓
✓
312
Channel scanner
✓
✓
350
Real-time spectrum analyzer (RTSA)
✓
✓
351
I/Q analyzer (IQA)
✓
✓
352
Indoor and outdoor mapping
✓
✓
355
Analog demodulation
✓
✓
356
Noise figure (NF)
✓
✓
358
EMF measurements
✓
✓
360
Phased array antenna support
✓
✓
370
Over-the-air (OTA) LTE FDD
✓
✓
371
Over-the-air (OTA) LTE TDD
✓
✓
377
Over-the-air (OTA) 5G TF
✓
✓
378
Over-the-air (OTA) 5G NR
✓
✓
B04
Analysis bandwidth, 40 MHz5
✓
✓
B10
Analysis bandwidth, 120 MHz5
✓
✓
Power measurements
208
USB power sensor meas. versus frequency
✓
✓
302
USB power sensor support
✓
✓
310
Built-in power meter
✓
✓
330
Pulse meas. with USB peak power sensor
✓
✓
1
Base model functionality listed is the primary function of that instrument. For example, on the N991x/5xB combo
analyzers, cable and antenna analyzer is the standard function included with every N991x/5xB.
2
Option 305 is not available on the N993x/6xB. A subset of measurements, return loss and VSWR, is available as
Option 320.
3
Option 320 is not applicable to N991x/5xB. The N991x/5xB includes reflection measurements of return loss and
VSWR as standard functions.
4
On the N991x/5xB analyzers, order Options 233 and 210 to obtain a tracking generator with the spectrum analyzer.
There is no Option 220 on the N991x/5xB analyzers. Option 233 provides the spectrum analyzer capability and
Op tio n 2 10 the “t r ac k ing ” c apa b il ity .
5
10 MHz standard.
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Option
Description
Combination Analyzers
N9913/4/5/6/7/8B
N9950/1/2/3B
Spectrum Analyzers
N9933/4/5/6/7/8B
N9960/1/2/3B
System features
030
Remote control capability
✓
✓
307
GPS receiver
✓
✓
309
DC bias variable-voltage source
✓
✓
—
Frequency extender support1
✓
✓
Windows based software
89601B
PathWave VSA (89600 VSA) software
✓
✓
N6820ES
Surveyor 4D software
✓
✓
FieldFox RF and Microwave (Combination) Analyzers
Analyzer models
Step 1. Select the model that provides the desired frequency range.
Model
Description
CAT and VNA
frequency
SA frequency 2
Test port connectors
N9913B
4 GHz FieldFox RF analyzer
30 kHz to 4 GHz
9 kHz to 4 GHz
Type-N (f)
N9914B
6.5 GHz FieldFox RF analyzer
30 kHz to 6.5 GHz
9 kHz to 6.5 GHz
Type-N (f)
N9915B
9 GHz FieldFox microwave analyzer
30 kHz to 9 GHz
9 kHz to 9 GHz
Type-N (f)
N9916B
14 GHz FieldFox microwave analyzer
30 kHz to 14 GHz
9 kHz to 14 GHz
Type-N (f)
N9917B
18 GHz FieldFox microwave analyzer
30 kHz to 18 GHz
9 kHz to 18 GHz
Type-N (f)
N9918B
26.5 GHz FieldFox microwave analyzer
30 kHz to 26.5 GHz
9 kHz to 26.5 GHz
3.5 mm (m)
N9950B
32 GHz FieldFox microwave analyzer
300 kHz to 32 GHz
9 kHz to 32 GHz
2.4 mm (m)
N9951B
44 GHz FieldFox microwave analyzer
300 kHz to 44 GHz
9 kHz to 44 GHz
2.4 mm (m)
N9952B
50 GHz FieldFox microwave analyzer
300 kHz to 50 GHz
9 kHz to 50 GHz
2.4 mm (m)
N9953B
54 GHz FieldFox microwave analyzer
300 kHz to 54 GHz
9 kHz to 54 GHz
1.8 mm (m)
1
Models N9913/33B, N9914/34B and N9915/35B do not suppor t f r equ en c y e xte n de rs. Th i s i s b eca use th e m ixe r s’
starting LO frequency is higher than 9 GHz and the FieldFox Port 1 provides the LO to the mixer. For a list of
supported OML frequency extenders, see Accessories page 22.
2
Useable to 5 kHz.
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Analyzer options
Step 2. Select optional measurement capabilities.
Any of these options can easily be added as a software upgrade in the future.
Option
Description
Prerequisite options/notes
CAT / vector network analysis
010
VNA time domain
Requires 210, recommend 211. See FAQ #7
210
VNA transmission/reflection
Recommend ordering a calibration kit. See FAQ #4 and FAQ #6
211
VNA full 2-port S-parameters
Requires 210, recommend ordering a calibration kit. See FAQ #5
212
1-port mixed-mode S-parameters
Requires 210 and 211
215
TDR cable measurements
—
308
Vector voltmeter
210 and 211 required for full VVM functionality. See FAQ #8
Spectrum analysis
209
Extended range transmission analysis
(ERTA)
Requires 233 and 210. Recommend 307. Requires two FieldFox units. See
FAQ # 9. See page 10 for typical configuration.
233
Spectrum analyzer
—
235
Pre-amplifier
Requires 233
236
Interference analyzer and spectrogram
Requires 233
238
Spectrum analyzer time gating
Requires 233
312
Channel scanner
Requires 233
350
Real-time spectrum analyzer (RTSA)
Requires 233, Recommend 235. See FAQ # 11
351
I/Q Analyzer (IQA)
Requires 233
352
Indoor and outdoor mapping
Requires 233, 307, and at least one of 312, 360, 370, 377 or 378.
See FAQ #15
355
Analog demodulation
Requires 233
356
Noise Figure (NF)
Requires 233, 235, 309 and accessory item N9910X-713 BNC to SMB cable.
See FAQ #13 for external preamplifier and noise source requirements.
100
EMF measurements
Requires 233. Also requires triaxial antenna. See FAQ #16
360
Phased array antenna support
Requires 233. N991x/3xB (x>5) models require external mixer. No external
mixer required for N995x/6xB models. See FAQ #14
370
Over-the-air (OTA) LTE FDD
Requires 233 and 307. Recommend 235.
371
Over-the-air (OTA) LTE TDD
Requires 233 and 307. Recommend 235.
377
Over-the-air (OTA) 5G TF
Requires 233 and 307. Recommend 235. N991x/3xB (x>5) models require
external mixer. See FAQ #14 No external mixer required for N995x/6xB
models. 5G TF is pre-5G standard
378
Over-the-air (OTA) 5G NR
Requires 233, B10, and 307. Recommend 235. N991x/3xB (x>5) models with
FR2 frequencies above 26.5 GHz require external mixer. See FAQ #18. No
external mixer required for N995x/6xB models.
B04
Analysis bandwidth, 40 MHz1
Requires 233. Recommend 350, 351 or 89600 VSA software.
B10
Analysis bandwidth, 120 MHz1
Requires 233. Recommend 350, 351, 378 or 89600 VSA software.
Power measurements
208
USB power sensor meas. versus frequency
Requires 302. See FAQ I
302
USB power sensor support
Need to order USB power sensor 2. See FAQ A
310
Built-in power meter
No power sensor required. See FAQ B
330
Pulse meas. with USB peak power sensor
Requires 302 and USB peak power sensor. See FAQ G and FAQ H
1
10 MHz standard.
2
List of compatible sensors available from www.keysight.com/find/fieldfoxsupport
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Option
Description
Prerequisite options/notes
System features
030
Remote control capability
Requires an iOS device
307
GPS receiver
Need to order GPS antenna, N9910X-825. See FAQ C
309
DC bias variable-voltage source
Recommend N9910X-713 cable. See FAQ D
—
Frequency extender support
Requires 233. Optional 350, 351, 360, 370, 377, 378, PathWave VSA
software. See Accessories, page 22
Windows based software
89601B
PathWave VSA (89600 VSA) software
Requires 233
N6820ES
Surveyor 4D software
Requires 233, 235 and 307. See FAQ #17
FieldFox RF and Microwave (Combination) Analyzer FAQs
Question
Answer
1. What is included with a base
N991x/5xB analyzer?
The base model includes the cable and antenna analyzer
Measurements: DTF (dB, linear, VSWR), return loss and DTF, return loss (dB), and 1-port cable
loss
Calibrations: CalReady, OSL, and response calibration
Note: 2-port insertion loss is NOT included with the base model, if 2-port insertion loss is needed,
order Option 210
Note: Base analyzer does not have phase information, for S11 or S21 phase, order Option 210
2. What is included with N991x/5xB
Option 233?
Basic spectrum analysis, four traces, different detector types, radio standard selection, limit lines
Channel power, occupied bandwidth, adjacent channel power, spectrum emission mask
AM/FM tune and listen, field strength measurements, antenna factors, frequency counter marker
Tracking generator (TG)/Independent source:
- TG CW mode (source CW frequency can be set independent of SA frequency) - included
- TG CW coupled mode (source CW frequency auto coupled to SA’s center frequency) - included
- TG tracking mode (traditional TG operation, swept SA coupled to swept source) - (requires
Option 210)
3. What is included with N991x/5xB
Option 236?
Interference analyzer and spectrogram, trace playback and recording
4. What is included with N991x/5xB
Option 210?
Option 210 adds a VNA with transmission/reflection (T/R) capability
Measurements: S21, S11, magnitude and phase
Additionally, in the CAT mode, you can measure 2-port insertion loss
Calibrations: CalReady, OSL, response, and enhanced response calibration
If you need all four S-parameters, order Options 210 and 211
If you need 2-port calibration, order Options 210 and 211
Adds tracking mode to the tracking generator/independent source included with Option 233,
spectrum analyzer
5. What is included with N991x/5xB
Option 211?
Option 211 adds full 2-port S-parameter capability to the VNA mode
Measurements: All four S-parameters (S11, S21, S22, S12), magnitude and phase
Calibrations: CalReady, OSL, response, enhanced response, and full 2-port calibration
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Question
Answer
6. Can I measure group delay on
N991x/5xB analyzers?
If you have phase measurement capability, then you can measure group delay. Option 210 is
required for any phase measurement capability. So, if you do not have Option 210, you cannot
measure group delay.
7. What is included with N991x/5xB
Option 010?
S11/S21 in time domain if Option 210 is ordered. To get time domain data for all four Sparameters and full 2-port calibration, order Option 211.
View both time and frequency domain data at the same time
Low-pass, impulse, and band-pass modes
Minimum, medium, and maximum window
Gating
8. What is included with N991x/5xB
Option 308?
With Option 308: 1-port cable trimming
With Options 308 and 210: 1-port cable trimming, 2-port transmission
With Options 308, 210, and 211: 1-port cable trimming, 2-port transmission, A/B and B/A
Note: A/B and B/A measurements require an external source
9. What are the requirements for
Option 209?
Extended Range Transmission Analysis (ERTA) or Option 209 is a scalar measurement system
based on the use of two (2) FieldFox units. One FieldFox acts as the source and reference
receiver, while the second FieldFox acts as the measurement receiver. When different frequency
models are used in an ERTA pair, the system frequency range is limited to the lowest of the pair.
Required hardware
A. Two (2) FieldFox units. FieldFox units can be any of these models:
- FieldFox combination analyzers: N9913/14/15/16/17/18/50/51/52/53B
- FieldFox signal analyzers: N9933/34/35/36/37/38/60/61/62/63B
The two FieldFox units used in ERTA do not have to be the same model.
- ERTA requires the following options on Combo FieldFox models
(N9913/14/15/16/17/18/50/51/52/53B):
- Option 210, VNA transmission/reflection
- Option 233, spectrum analyzer
ERTA requires the following options on SA FieldFox models (N9933/34/35/36/37/38/60/61/62/63B)
- Option 220, tracking generator
Both FieldFox units (the one used as the source, and the other used as the receiver) must have
the options listed above. The ERTA option (209) cannot be installed unless 210 and 233 are
present on a combo analyzer; or 220 is present on a SA analyzer.
With either the Combo or SA FieldFox units, the following options are highly recommended:
- Option 235, preamplifier – this option increases the measurement dynamic range by
increasing the received signal power
- Option 307, GPS receiver – this option increases the dynamic range by increasing the
frequency accuracy and permitting the use of a narrower RBW
B. Power splitter, two-resistor model, Keysight 11667A, 11667B, or 11667C. Other power splitters
can be used but the specifications listed are based on the match and tracking performance of
11667A, 11667B, or 11667C. Three-resistor power splitters are not recommended.
C. N9910X-712, Trigger/Reference-in cable, SMA (m) to BNC(f), 1 m, quantity two
D. N9910X-713, Trigger/Reference-out cable, SMB (m) to BNC (m), 1 m, quantity two
E. LAN connection – For ERTA, the two FieldFox units communicate via a LAN connection. For a
direct connection, a LAN cable is required. Or, both analyzers can be on a local area network.
Recommended accessory:
F. N9910X-825, GPS Antenna. Necessary if Option 307 is ordered.
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Question
Answer
10. What is included with Option
355?
FieldFox analog demodulation has two parts: (1) Tune and listen, and (2) AM/FM metrics. Tune
and listen is available with the purchase of the spectrum analyzer option 233. AM/FM metrics
becomes available when Option 355 is purchased. AM/FM metrics provides the user with RF
spectrum view, demodulated baseband signal waveform, carrier power, frequency deviation,
SINAD and more.
11. What is included with Option
350?
Real-time spectrum analyzer (RTSA) or Option 350 provides real-time measurements. The
FieldFox must be equipped with spectrum analysis capability. The preamplifier option is
recommended, as elusive signals often have low power levels. The real-time bandwidth options
include 10 MHz (standard), 40 MHz (Option B04), or 120 MHz (Option B10). RTSA includes trace
recording and playback capabilities. It does not include a frequency-mask trigger (FMT).
12. Is Spectrum Analyzer Trace
Recording and Playback
standard or an option?
Spectrum Analyzer mode (Option 233) does not include Trace Recording and Playback by default.
To obtain this capability in SA mode, Option 236 Interference Analyzer and Spectrogram needs to
be purchased.
RTSA mode (Option 350) does include Trace Recording and Playback by default in RTSA mode.
Purchasing RTSA mode (Option 350) does not enable Trace Recording and Playback in SA mode
(Option 233).
Trace record/playback features
SA mode
SA & Interference Analyzer
Options 233 and 236
RTSA mode
RTSA
Option 350
Record and playback spectrum traces
Yes
Yes
Save trace data with GPS time stamp over time
Yes
Yes
Record and playback spectrogram data
Yes
No1
13. What are the requirements for
Noise figure (NF) Option 356?
Requires spectrum analyzer mode (Option 233 on combination models), internal preamplifier
(Option 235) and DC bias variable voltage source (Option 309). An external noise source is also
required and FieldFox supports Keysight noise source models 346A/B/C/K40/K01. Also
recommended to improve accuracy is an external preamplifier Keysight models U7227A/C/F or
U7228A/C/F. Requires accessory item N9910X-713 BNC to SMB cable for DC bias variable
voltage source to noise source connection.
14. What is required for phased array
antenna support (Option 360)
and 5GTF over-the-air (OTA)
measurements (Option 377)?
Requires spectrum analyzer mode (Option 233 on combination models) and GPS receiver (Option
307). Highly recommend internal preamplifier (Option 235). N991x/3xB (x>5) models require
external mixer since phased array antenna and 5GTF operates at 28 GHz. See FAQ #16 for more
OML mixer information. No external mixer required for N995x/6xB models.
15. What is included with indoor and
outdoor mapping (Option 352)?
The FieldFox mapping function is available in the following modes: Channel Scanner (312),
Phased-Array Antenna (360), and OTA LTE (370), OTA 5G TF (377), OTA 5G NR (378). Mapping
is currently not available in SA or RTSA modes. Outdoor mapping requires the availability of GPS
(Option 307). Maps can be saved to the FieldFox internal memory, SD card or USB drive. Using a
direct wired LAN connection, FieldFox will automatically access OpenStreetMap (OSM) once
location coordinates (latitude and longitude) and zoom levels have been entered the Map Explorer
menu. If using the l FieldFox Map Support Tool , OSM map files can be downloaded to a .zip
file and imported to FieldFox internal memory. If the FieldFox GPS receiver is enabled and OSM
maps have been previously saved to FieldFox with those GPS coordinates, FieldFox can
automatically load the corresponding map to match the current GPS coordinates.
16. What is required for EMF
measurements (Option 358)?
Requires triaxial antenna. Supported antenna is AGOS advanced technologies Triaxial Isotropic
Antenna model SDIA-6000 30 MHz to 6 GHz. It can also be ordered as Keysight 85572A-006.
EMF measurements are supported with spectrum analyzer mode (Option 233 on combination
models) and OTA 5G NR (Option 378).
1
RTSA trace recordings can be recalled and played back in SA mode Spectrogram. This has the added benefit that the
measurements ar e s how n ‘ s lo w er’ , m ak i ng it eas i er fo r th e h um an ey e t o d e ci p her th e s ign a l c ont ent .
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