The Keysight N9041B UXA Signal Analyzer is a high-performance spectrum and signal analysis instrument spanning 2 Hz to 110 GHz. It delivers exceptional measurement fidelity for demanding millimeter-wave applications including 5G, satellite communications, radar, and electronic warfare systems. The analyzer combines wide instantaneous analysis bandwidth up to 1 GHz with superior phase noise performance and dynamic range, enabling precise characterization of complex modulated signals across its full frequency span.
Technical Specifications
Frequency and Bandwidth
• Frequency range: 2 Hz to 110 GHz (Option 5CX); 90 GHz variant available (Option 590)
• External mixing extends coverage to 1.1 THz
• Maximum analysis bandwidth: 1 GHz internal; 5 GHz external IF output available
• Real-time analysis bandwidth: up to 255 MHz
• Real-time data streaming: up to 40 MHz
Signal Purity and Dynamic Range
• Displayed Average Noise Level (DANL): -174 dBm @ 1 GHz; -150 dBm/Hz above 50 GHz
• Phase noise @ 1 GHz: -135 dBc/Hz (10 kHz offset), -136 dBc/Hz (30 kHz offset), -147 dBc/Hz (1 MHz offset)
• Phase noise @ 10 GHz: -126 dBc/Hz (10 kHz offset)
• Third-order intercept (TOI @ 1 GHz): +18 to +23 dBm
• Maximum dynamic range (3rd order @ 1 GHz): 110 dB
• Spurious-free dynamic range: -100 dBc (25 MHz BW), -80 dBc (40 MHz BW)
Amplitude and Detection
• Overall amplitude accuracy: ±0.16 dB
• Absolute amplitude accuracy @ 50 MHz: ±0.24 dB
• Real-time signal detection: 3.51 µs minimum pulse width
• Capture memory: 2 GB standard; 4 GB option available (Option DP4)
• Sample, average, and log detector modes
Input Connectors and Attenuation
• Input 1: 3 Hz to 50 GHz, 2.4 mm male, 50 Ω
• Input 2: 3 Hz to 110 GHz (Option 5CX) or 90 GHz (Option 590), 1.0 mm male, 50 Ω
• Attenuator range: 70 dB with 2 dB steps; fine-step mechanical to 50 GHz
• Electronic attenuator option to 3.6 GHz (Option EA3)
Processing
• Quad-core or hex-core processor with 16 GB or 32 GB RAM
– Key Features
• Dual-channel front-panel inputs supporting simultaneous multi-signal analysis
• Intuitive multi-touch display interface
• Continuous sweep capability to 110 GHz
• Multiple analysis bandwidth options (25 MHz, 40 MHz, 255 MHz, 510 MHz, 1 GHz)
– Typical Applications
• 5G/6G component and system characterization
• Satellite link analysis and monitoring
• Radar signal measurement and analysis
• Electronic warfare signal intelligence
• Millimeter-wave device validation
– Compatibility & Integration
External IF output supports advanced signal processing workflows and third-party analysis tools. Front-panel connectors enable direct integration into test automation systems.
