The Keysight N9041B UXA Signal Analyzer delivers high-performance signal analysis from 2 Hz to 110 GHz, with external mixer capability extending to 1.1 THz. Purpose-built for aerospace, defense, wireless communications, 5G, and automotive radar applications, this instrument captures transient events as brief as 3.51 µs and resolves fast-hopping frequencies across millimeter-wave bands. Its 14.1-inch capacitive multi-touch display and modular bandwidth architecture support both real-time and streaming analysis workflows.
Technical Specifications
Frequency Coverage
• 2 Hz to 110 GHz continuous (3 Hz to 3.6 GHz at N=0)
• Up to 1.1 THz with external mixers
• Two RF inputs: Input 1 to 50 GHz (2.4 mm), Input 2 to 90 GHz or 110 GHz (1.0 mm)
Bandwidth & Capture
• Analysis bandwidth: 25 MHz, 40 MHz, or 1 GHz options
• Real-time bandwidth: 255 MHz
• Gap-free streaming: 255 MHz
• Capture memory: 4 GB (with Option DP4)
• External analysis bandwidth: up to 5 GHz
Signal Sensitivity & Accuracy
• Displayed Average Noise Level: −174 dBm at 1 GHz; −150 dBm/Hz above 50 GHz
• Phase noise: −135 dBc/Hz at 1 GHz (10 kHz offset)
• Third-order intercept: +22 dBm at 1 GHz
• Dynamic range (3rd order): 110 dB at 1 GHz
• Amplitude accuracy: ±0.16 dB overall; ±0.24 dB at 50 MHz
Physical & Interface
• Display: 1280 × 800 resolution, 14.1-inch diagonal
• Height: 280 mm (11 in)
• Weight: 32 kg (71 lbs, basic configuration)
• Connectors: MDR-80 digital bus, BNC analog out, USB 3.0/2.0 host ports, USB device port
• External IF output: ~5 GHz modulation bandwidth (~10 dB conversion loss) on Input 2 above 50 GHz
– Key Features
• Real-time spectrum analysis detects signals shorter than 4 microseconds
• 1 GHz modular analysis bandwidth option with integrated 255 MHz path for RTSA
• Dual-input architecture supports simultaneous or sequential measurements to 110 GHz
• Gap-free streaming at 255 MHz enables continuous signal capture without loss
• Capacitive touch interface for field operation and laboratory use
– Typical Applications
• Millimeter-wave signal characterization in radar and satellite communications
• Transient and pulsed signal detection in electronic warfare environments
• 5G and wireless standard validation
• Automotive radar development and testing
• Frequency-hopping and agile waveform analysis
– Compatibility & Integration
• External oscilloscope or digitizer connection via ~5 GHz IF output (Input 2, >50 GHz frequencies)
• Multi-touch interface supports intuitive control in production and field settings
