The Keysight N9962A FieldFox is a handheld microwave spectrum analyzer delivering lab-grade measurements across 9 kHz to 50 GHz in field environments. This portable instrument combines spectrum analysis, signal analysis, and cable/antenna testing in a single rugged platform engineered to MIL-PRF-28800F Class 2 and MIL-STD-810G standards.
Technical Specifications
• Frequency Range: 9 kHz to 50 GHz (configurable to 300 kHz to 50 GHz)
• Amplitude Accuracy: ±0.5 dB at power-up, no warm-up required
• Dynamic Range: 157 dB
• Spur-Free Dynamic Range: >104 dB to 105 dB
• Displayed Average Noise Level (DANL): -153 dBm specified; -158 dBm typical (2.8–4.5 GHz)
• Phase Noise: -111 dBc/Hz at 10 kHz offset
• Real-Time Bandwidth: 10 MHz gap-free
• Analysis Bandwidth: 10 MHz
• IQ Streaming Bandwidth: 1 MHz maximum
• Resolution Bandwidth: 1 Hz minimum
• Filter Bandwidths: 1 Hz to 500 kHz
• Output Power (Typical, 6.5–18 GHz): 4 dBm, frequency dependent
• Flat Output Power Response: ±0.5 dB at -15 dBm output (300 kHz to 50 GHz)
• Output Power Adjustment: 1 dB steps
• Frequency Stability: 0.7 ppm
• Connectors: NMD 2.4 mm (m); 2 built-in ports
– Key Features
• Spectrum analysis with interference detection and spectrogram/waterfall display
• Signal analysis including channel power, occupied bandwidth, and adjacent channel power ratio
• Pulse measurements with time gating and radar profile analysis
• Noise figure measurements and over-the-air (OTA) measurements for 5G TF and LTE
• I/Q data capture for RF signal monitoring; trace recording and playback
• Built-in power meter (5 kHz to 50 GHz) and USB power sensor support
• AM/FM tune and listen; field strength measurement
• Detectors: RMS average, normal, positive peak, negative peak, sample
– Optional Features
• Tracking Generator (300 kHz to 50 GHz)
• Preamplifier
• Time Gating
• VSWR and Reflection Measurements
• Built-in GPS Receiver
• DC Voltage Source (1 V to 32 V, 650 mA max, 8 W max)
• 89600 VSA Software Connection
• Portable Spectrum Analyzer Extension (PSAX) modules for 50–90 GHz coverage
– Typical Applications
Field testing and maintenance of microwave systems, antenna characterization, cable testing, interference identification, and 5G signal analysis.
