The Keysight N9042B UXA Signal Analyzer delivers high-performance RF and microwave signal analysis across demanding aerospace, defense, wireless communications, and satellite applications. This instrument combines wide frequency coverage, configurable analysis bandwidth up to 4 GHz, and sensitivity to enable precise characterization of complex modulation schemes and devices.
Technical Specifications
Frequency Coverage
• Base range: 2 Hz to 50 GHz, 26.5 GHz, 44 GHz, or 75 GHz (configuration-dependent)
• Extended to 110 GHz with V3050A Frequency Extender
• Extended to 1.1 THz with external mixers
• Unbanded, preselected operation: 2 Hz to 75 GHz or 2 Hz to 110 GHz
Analysis Bandwidth
• Configurable: 1 GHz, 1.5 GHz, 2 GHz, or 4 GHz
• Real-time spectrum analysis: up to 2 GHz
• External digitizer support: up to 11 GHz
• IF bandwidth for path loss correction: up to 5 GHz
Signal Detection & Dynamic Range
• Displayed Average Noise Level (DANL): -168 dBm to -174 dBm at 1 GHz; nominal -156 dBm (1 Hz) without noise cancellation
• Phase Noise: -135 dBc/Hz at 1 GHz (10 kHz offset)
• Third Order Intercept (TOI): +22 dBm at 1 GHz
• Amplitude Accuracy: ±0.24 dB; improvable to ±0.024 dB with U9361 RCal module
• Residual EVM: performance for transmitter testing
Modulation & Signal Analysis
• 5G NR transmitter and receiver measurements
• 75+ signal standards via PathWave X-Series applications
• 89600 PathWave VSA software for vector demodulation
• User-selectable front-end paths optimize noise and dynamic range performance
– Key Features
• Low-noise front end with selectable signal paths
• Fundamental mixing capability for extended dynamic range
• Microwave Preselector Bypass (MPB) for optimized mid-to-high power measurements
• Front-end configuration directly influences DANL, phase noise, and amplitude characteristics
– Typical Applications
• 5G NR transmitter downlink and uplink characterization
• Millimeter-wave device testing and validation
• Complex modulation scheme analysis
• Satellite and defense system signal assessment
– Compatibility & Integration
Supports V3050A Frequency Extender, external mixers, external digitizers, and U9361 RCal calibration module. PathWave measurement software ecosystem enables multi-standard signal analysis.
