Given the new dynamics of wideband, microwave and millimeter wave communications, Keysight developed the next generation FieldFox Microwave Analyzer with 120 MHz of real-time bandwidth and frequency coverage up to 50 GHz. To address the millimeter wave frequency requirements for 5G, satellite and automotive radar industries, FieldFox can easily extend its frequency up to 110 GHz with an add-on downconverter.
FieldFox is also the industries most integrated handheld analyzer supporting over 20 key RF and microwave instrument functions including signal analyzer, full 2-port vector network analyzer, real-time spectrum analyzer, over-the-air demodulation, CW signal source, power meter and many more, in an all-in-one field proof package.
| Key Features |
| This model now has 120 MHz of real-time bandwidth. |
| Base model includes cable and antenna analyzer. |
| Expand capabilities with vector network analyzer and spectrum analyzer options. |
| Capture elusive signals with 100 MHz gap-free, real-time bandwidth. |
| Measure all four S-parameters simultaneously with 115 dB dynamic range. |
| Make accurate spectrum analyzer measurements (± 0.3 dB) without warmup. |
| Perform over-the-air measurements for 5G NR and LTE. |
| Use GPS/GNSS for geolocation and timestamping. |
| Carry one lightweight unit at 3.4 kg (7.4 lb). |
| Benefits |
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| Built For 5G | 5G technologies provide dramatic network speed improvement and superfast connection time.
5G New Radio (NR) is the 3rd Generation Partnership Project (3GPP) standard for the wireless network running on the sub-7.125 GHz frequency band (FR1) and above 24.250 GHz on the millimeter-wave (mmWave) frequency band (FR2). 5G offers gigabit per second data rates.
5G networks use wider bandwidths, higher operating frequencies, and active antenna systems, such as phased array antennas.
The key challenges for 5G network deployment are characterizing air interface path loss, optimizing beam coverage, and mitigating interference issues.
Keysight’s 5G gNodeB (gNB) field test solution, based on the FieldFox microwave analyzer, provides a complete toolkit for radio frequency (RF) engineers and technicians to install and troubleshoot 5G networks.
This solution can verify hardware gNB performance, such as cable and antenna conditions, transmit power, control channel power, and RF spurious responses.
It can also verify signal quality over the air, including multipath synchronization signal information and coverage area path loss, as well as identify and troubleshoot interference issues.
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| Specifications |
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N9918B
FieldFox Handheld Microwave Analyzer
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| Features | Parameters |
| Maximum Frequency | 26.5 GHz |
| Minimum Frequency | 30 kHz |
| SA Start Frequency | 5 kHz |
| System Dynamic Range | > 114 dB |
| Best Speed at 1001 Point, 1 Sweep | 171 us/pt |
| Output Power | 8 dBm |
| Trace Noise | n/a |
| Number of Built-In Ports | 2 ports |
| Instrument Type | Combination Analyzer |
| Cable and Antenna Analyzer | Yes - Standard |
| Spectrum Analyzer | Yes - Optional |
| Vector Network Analyzer | Yes - Optional |
| Additional CAT/VNA Based Features | Vector Voltmeter
Mixed-Mode S-Parameters
DTF/TDR Cable Measurements
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| Additional SA Based Features | Built-In Power Meter
Extended Range Transmission Analysis (ERTA)
Real-Time Spectrum Analysis
Noise Figure Measurements
Over-The-Air Measurements
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| System Features | Built-In DC Source
GPS Receiver - Internal Only
Remote Control Capability
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| Power Measurement Using USB Sensor | CW or Swept-Frequency
Frequency-Offset
RF Pulse Test with Peak Sensor
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| Standard Attenuator Range | n/a |
| Standard Attenuator Step | n/a |
| DANL @1 GHz | -163 dBm |
| Maximum Analysis Bandwidth | n/a |
| Phase Noise @1 GHz (1 MHz offset) | n/a |
| Phase Noise @1 GHz (10 kHz offset) | -117 dBc/Hz |
| Phase Noise @1 GHz (30 kHz offset) | n/a |
| Spur Free Dynamic Range | n/a |
| TOI @1 GHz (3rd Order Intercept) | n/a |
| Applications Available | Yes |
| Maximum Real-Time Bandwidth | n/a |
| Overall Amplitude Accuracy | n/a |
| Bandwidth Options | n/a |
| Performance Level | n/a |
| Applications-Cellular | 89600 VSA Software
Over-The-Air LTE FDD and 5GTF
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| Applications-Digital Video | n/a |
| Applications-General Purpose | AM/FM Tune and Listen
Cable and Antenna Analysis
Field Strength Measurement
SCPI Code Compatibility
Spectrogram
Stimulus Response
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| Applications-Wireless Connectivity | n/a |
| Handheld / Modular | Yes |
| Specifications¹ |
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| FieldFox RF and Microwave (Combination) Analyzers |
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| Model Overview |
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| Model | Description | CAT and VNA Frequency | SA Frequency² | 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) |
Notes:
¹ Models N9913/33B, N9914/34B and N9915/35B do not support frequency extenders. This is because the mixers’ starting LO frequency is higher than 9 GHz and the FieldFox Port 1 provides the LO to the mixer.
² Useable to 5 kHz.
