The Agilent/Keysight N9936A FieldFox is a handheld spectrum analyzer spanning 30 kHz to 14 GHz, delivering laboratory-grade measurements in a portable 3.0 kg platform. This dual-port instrument integrates spectrum analysis, interference detection, power metering, cable and antenna characterization, vector network analysis, and 5G/LTE over-the-air measurement capabilities into a single field-deployable tool.
Technical Specifications
• Frequency Range: 30 kHz to 14 GHz
• Built-in Ports: 2
• System Impedance: 50 Ω nominal; 75 Ω with appropriate adapter and calibration kit
• Amplitude Accuracy: ±0.5 dB with InstAlign, no warm-up required
• DANL @ 1 GHz: −155 dBm
• Phase Noise @ 1 GHz (10 kHz offset): −111 dBc/Hz
• Spur Free Dynamic Range: >+15 dBm (TOI)
• Real-Time Bandwidth: Up to 10 MHz gap-free
• IQ Streaming Bandwidth: 1 MHz
• Output Power (High): Varies by frequency (−1 dBm across 3–6.5 GHz sweep)
• Output Power (Low): −45 dBm nominal
• Output Power (Manual): Flattened, settable in 1 dB steps
• DC Bias Source: 1–32 VDC, maximum 650 mA, maximum 8 W
• IF Output: 25 MHz bandwidth for frequency down-conversion and wideband signal analysis
• Weight: 3.0 kg (6.6 lb)
– Key Features
• Real-time spectrum analysis with 10 MHz gap-free bandwidth
• Time-gated FFT for measurement of specific signal intervals
• InstAlign automatic internal amplitude alignment for immediate accuracy
• Interference analysis with spectrogram display
• Pulse measurements with time gating
• AM/FM tune and listen capability
• Field strength measurement and stimulus response analysis
• Extended range transmission analysis (ERTA)
• I/Q data capture for RF signal monitoring
• USB power sensor support for average and pulse power measurements
• GPS/GNSS integration for geolocation, timestamping, and frequency reference
• User-installable license keys for capability expansion
• SCPI code compatibility
– Measurement Capabilities
• Spectrum analyzer
• Cable and antenna analyzer (CAT)
• Vector network analyzer (VNA)
• Built-in power meter
• Tracking generator (optional)
• Over-the-air measurements for 5G TF and LTE
– Compatibility & Integration
• PathWave Vector Signal Analysis (89600 VSA) software compatible
• FieldFox handheld analyzer software for N99xxA series
• SCPI command support for automation and remote control
