The Keysight N9041B UXA Signal Analyzer is a high-performance signal analysis instrument engineered for demanding applications including 5G, automotive radar, satellite communications, and electronic warfare. It delivers continuous frequency coverage from 3 Hz to 110 GHz with dual inputs, real-time analysis bandwidth up to 255 MHz, and exceptional phase noise and dynamic range performance across its operating spectrum.
Technical Specifications
Frequency Coverage
• Input 1: 3 Hz to 50 GHz (2.4 mm connector)
• Input 2: 3 Hz to 90 GHz (Option 590) or 3 Hz to 110 GHz (Option 5CX) (1.0 mm connector)
• External mixer support: up to 1.1 THz
• Analysis bandwidth: 25 MHz standard; 40 MHz, 1 GHz optional; maximum external: 5 GHz
• Real-time bandwidth: 255 MHz maximum
• Fast sweep capability available
Amplitude Performance
• Displayed Average Noise Level (DANL): -174 dBm @ 1 GHz; -150 dBm/Hz @ >50 GHz
• Phase noise @ 1 GHz: -135 dBc/Hz (10 kHz offset), -136 dBc/Hz (30 kHz offset), -147 dBc/Hz (1 MHz offset)
• Third-order intercept (TOI): +22 dBm and +18 dBm @ 1 GHz
• Maximum dynamic range (3rd order): 110 dB @ 1 GHz
• Overall amplitude accuracy: ±0.16 dB
• 1 dB compression point: +20 dBm (20 dB attenuation), 0 dBm (0 dB attenuation)
• Input attenuator range: 70 dB (2 dB steps); Input 2 default: 20 dB maximum
• Frequency response: ±1.8 dB (50–75 GHz), ±2.0 dB (75–110 GHz)
Real-Time Analysis
• Signal duration (basic detection): minimum 17.17 µs
• Signal duration (optimum detection): minimum 3.517 µs
• Frequency mask trigger: minimum 15 µs (basic), 3.6 µs (optimum)
System Architecture
• Processor: Quad-core or hex-core high-performance with 16 GB or 32 GB RAM
• Display: 14.1-inch capacitive multi-touch, 1280 × 800 resolution
• Memory: 2 GB or 4 GB capture memory (Option DP4)
• Operating system: Microsoft Windows 10
• IF output: Ultra-wide bandwidth rear-panel connection with ~5 GHz modulation bandwidth
– Key Features
• Dual-input architecture spanning 3 Hz to 110 GHz continuous frequency coverage
• 110 dB dynamic range with -174 dBm sensitivity at 1 GHz
• Real-time capture and analysis at 255 MHz bandwidth
• Sub-microsecond signal detection capability
• ±0.16 dB absolute amplitude accuracy
• Wide external IF output for advanced signal routing
– Typical Applications
5G signal characterization, automotive radar analysis, satellite communication monitoring, electronic warfare signal detection and classification, multi-channel signal capture and analysis.
– Compatibility & Integration
Dual connector inputs (2.4 mm and 1.0 mm) accommodate standard RF configurations. External mixer interface supports millimeter-wave and terahertz analysis. Ultra-wide IF output enables integration with external processing and recording systems.
