The Keysight N9950A FieldFox is a battery-powered handheld combination analyzer that integrates cable and antenna analysis as a standard feature, with optional vector network analysis, spectrum analysis, power meter, and vector voltmeter capabilities. Operating from 300 kHz to 32 GHz, it delivers comprehensive RF and microwave characterization in a portable 3.2 kg form factor designed for field maintenance and troubleshooting.
Technical Specifications
• Frequency Range: 300 kHz to 32 GHz (CAT/VNA); 9 kHz to 32 GHz (SA with optional module)
• Two Built-In RF Ports with 4 dBm output power
• VNA System Dynamic Range: 110 dB
• Spectrum Analyzer Measurement Accuracy: ±0.5 dB (without warm-up)
• Trace Noise: 0.004 dB (rms)
• Maximum IQ Streaming Bandwidth: 1 MHz
• Weight: 3.2 kg (7.1 lb)
– Key Features
• Cable and Antenna Analysis (CAT) standard; DTF/TDR capable with dual-domain measurements in single sweep
• All four S-parameters measurement
• Field-upgradeable via software license keys
• USB sensor compatibility for average and pulse power measurement
• Rechargeable Li-ion battery with AC/DC adapter supplied
• Soft carrying case with backpack and shoulder strap included
• Compatible with Keysight 85521A Calibration Kit (DC to 26.5 GHz, 3.5 mm connector)
– Optional Capabilities
• Vector Network Analyzer (VNA)
• Real-Time Spectrum Analysis (RTSA)
• Built-In Power Meter
• Vector Voltmeter
• PathWave Vector Signal Analysis (89600 VSA) Software integration
– Typical Applications
• RF/microwave system field verification and maintenance
• Cable loss and return loss characterization
• Antenna performance evaluation
• Signal integrity and distortion analysis
• Power measurement and monitoring
