Product OverviewThe Keysight N9042B is the latest flagship UXA X‑Series high‑performance signal analyzer, built for wideband, high‑dynamic‑range millimeter‑wave signal characterization. It delivers industry‑leading corrected analysis bandwidth and superior noise performance, tailored for complex wideband modulation, pulsed radar, satellite payload, 5G mmWave and next‑generation wireless R&D and compliance validation. It supports seamless signal capture, demodulation, spectrum monitoring, phase‑noise and spurious emission testing, and is widely adopted for high‑margin mmWave design verification.1. Key SpecificationsFrequency Range: Multiple hardware options: 2 Hz–26.5 GHz (Option 526), 2 Hz–44 GHz (Option 544), 2 Hz–50 GHz (Option 550), 2 Hz–75 GHz (Option 575). With external mixer modules, the frequency coverage can be extended up to 110 GHz. It adopts unbanded preselected sweep architecture for continuous, gap‑free frequency scanning.Analysis Bandwidth: Configurable IF analysis bandwidth options: 1 GHz / 1.5 GHz / 2 GHz / 4 GHz (Option R40). The 4 GHz corrected analysis bandwidth supports capture of ultra‑wideband modulated signals for high‑throughput communication systems.Real‑Time Spectrum Analysis (RTSA): Maximum real‑time bandwidth up to 2 GHz. It enables gapless capture of short transient pulses, fast frequency‑hopping signals and intermittent interference, with high probability of intercept for non‑stationary signals. It supports ODI streaming up to 2 GHz to external RAID storage for long‑duration signal recording and post‑processing.Noise & Phase‑Noise Performance: Typical DANL (Displayed Average Noise Level) of -168 dBm/Hz at 1 GHz. Typical phase noise: -135 dBc/Hz at 1 GHz, 10 kHz offset. The low noise floor and excellent phase‑noise performance guarantee accurate measurement of weak signals, local oscillators and receiver sensitivity.Dynamic Range & Linearity: Optimized front‑end design delivers deep dynamic range and low instrument‑induced distortion. It maintains reliable measurement accuracy for EVM, harmonics, intermodulation and out‑of‑band spurious emissions under high‑power test conditions.Platform & Software Ecosystem: Windows‑based multi‑touch benchtop platform, fully compatible with Keysight PathWave X‑Series measurement applications. Supported measurement suites include 5G NR, Wi‑Fi 7, radar pulse analysis, EVM, phase noise, noise figure, spectral mask, ACLR and interference tracing. It supports signal recording, playback and offline post‑analysis.Measurement Capabilities: Swept spectrum analysis, zero‑span time‑domain capture, real‑time spectrum analysis, digital demodulation, pulse parameter characterization, channel power, adjacent‑channel leakage ratio, spurious emission, phase‑noise and compliance spectrum mask testing.2. Target Industries5G & Next‑Generation Wireless Communications: 5G FR2 mmWave, 6G pre‑research, Wi‑Fi 7, high‑throughput wireless modules, mmWave power amplifiers, filters, phased‑array antenna front‑end R&D and validation.Satellite & Aerospace RF: High‑throughput satellite communication, satellite payload transceivers, space‑borne RF links, telemetry and telecontrol signal testing.Automotive & Radar Industry: 77 GHz / 79 GHz automotive imaging radar, 4D radar, FMCW radar modules, radar chip and antenna array performance verification.Electronic Warfare & RF Sensing: Frequency‑hopping communication, pulsed radar, burst transient signals, complex electromagnetic environment monitoring, signal interception and interference localization.RF Semiconductor & Component Development: Characterization of mmWave power amplifiers, mixers, multipliers, filters, LNAs and receiver ICs.Metrology & Independent Test Laboratories: Millimeter‑wave RF calibration, product regulatory compliance and certification testing.3. Typical Application ScenariosUltra‑Wideband Modulated Signal Testing: EVM, constellation, spectrum emission mask, ACLR, spurious and harmonic testing for 5G mmWave and Wi‑Fi7 transmitters to quantify modulation quality.Radar Signal Characterization: Capture and analyze FMCW and pulsed phased‑array radar signals. Measure pulse width, PRF, FM slope, phase noise and spurious components. Widely used in anechoic chamber radiated coupling tests.Transient & Frequency‑Hopping Signal Monitoring: RTSA capability catches short burst signals and intermittent interference easily missed by traditional swept analyzers, supporting EMI troubleshooting and interference source tracing.Low‑Noise Receiver Link Evaluation: Phase noise, noise floor and noise figure measurement for local oscillators and LNAs to characterize receiver sensitivity and link budget.High‑Power mmWave Component Testing: Spectrum and intermodulation distortion measurement for mmWave power amplifiers and array antennas. High dynamic range prevents instrument distortion from contaminating measurement results.Long‑Term Signal Recording & Post‑Analysis: Wideband streaming and signal logging in complex electromagnetic en

Product Overview

The Keysight N9042B is the latest flagship UXA X‑Series high‑performance signal analyzer, built for wideband, high‑dynamic‑range millimeter‑wave signal characterization. It delivers industry‑leading corrected analysis bandwidth and superior noise performance, tailored for complex wideband modulation, pulsed radar, satellite payload, 5G mmWave and next‑generation wireless R&D and compliance validation. It supports seamless signal capture, demodulation, spectrum monitoring, phase‑noise and spurious emission testing, and is widely adopted for high‑margin mmWave design verification.

1. Key Specifications

• Frequency Range: Multiple hardware options: 2 Hz–26.5 GHz (Option 526), 2 Hz–44 GHz (Option 544), 2 Hz–50 GHz (Option 550), 2 Hz–75 GHz (Option 575). With external mixer modules, the frequency coverage can be extended up to 110 GHz. It adopts unbanded preselected sweep architecture for continuous, gap‑free frequency scanning.
• Analysis Bandwidth: Configurable IF analysis bandwidth options: 1 GHz / 1.5 GHz / 2 GHz / 4 GHz (Option R40). The 4 GHz corrected analysis bandwidth supports capture of ultra‑wideband modulated signals for high‑throughput communication systems.
• Real‑Time Spectrum Analysis (RTSA): Maximum real‑time bandwidth up to 2 GHz. It enables gapless capture of short transient pulses, fast frequency‑hopping signals and intermittent interference, with high probability of intercept for non‑stationary signals. It supports ODI streaming up to 2 GHz to external RAID storage for long‑duration signal recording and post‑processing.
• Noise & Phase‑Noise Performance: Typical DANL (Displayed Average Noise Level) of -168 dBm/Hz at 1 GHz. Typical phase noise: -135 dBc/Hz at 1 GHz, 10 kHz offset. The low noise floor and excellent phase‑noise performance guarantee accurate measurement of weak signals, local oscillators and receiver sensitivity.
• Dynamic Range & Linearity: Optimized front‑end design delivers deep dynamic range and low instrument‑induced distortion. It maintains reliable measurement accuracy for EVM, harmonics, intermodulation and out‑of‑band spurious emissions under high‑power test conditions.
• Platform & Software Ecosystem: Windows‑based multi‑touch benchtop platform, fully compatible with Keysight PathWave X‑Series measurement applications. Supported measurement suites include 5G NR, Wi‑Fi 7, radar pulse analysis, EVM, phase noise, noise figure, spectral mask, ACLR and interference tracing. It supports signal recording, playback and offline post‑analysis.
• Measurement Capabilities: Swept spectrum analysis, zero‑span time‑domain capture, real‑time spectrum analysis, digital demodulation, pulse parameter characterization, channel power, adjacent‑channel leakage ratio, spurious emission, phase‑noise and compliance spectrum mask testing.

2. Target Industries

• 5G & Next‑Generation Wireless Communications: 5G FR2 mmWave, 6G pre‑research, Wi‑Fi 7, high‑throughput wireless modules, mmWave power amplifiers, filters, phased‑array antenna front‑end R&D and validation.
• Satellite & Aerospace RF: High‑throughput satellite communication, satellite payload transceivers, space‑borne RF links, telemetry and telecontrol signal testing.
• Automotive & Radar Industry: 77 GHz / 79 GHz automotive imaging radar, 4D radar, FMCW radar modules, radar chip and antenna array performance verification.
• Electronic Warfare & RF Sensing: Frequency‑hopping communication, pulsed radar, burst transient signals, complex electromagnetic environment monitoring, signal interception and interference localization.
• RF Semiconductor & Component Development: Characterization of mmWave power amplifiers, mixers, multipliers, filters, LNAs and receiver ICs.
• Metrology & Independent Test Laboratories: Millimeter‑wave RF calibration, product regulatory compliance and certification testing.

3. Typical Application Scenarios

• Ultra‑Wideband Modulated Signal Testing: EVM, constellation, spectrum emission mask, ACLR, spurious and harmonic testing for 5G mmWave and Wi‑Fi7 transmitters to quantify modulation quality.
• Radar Signal Characterization: Capture and analyze FMCW and pulsed phased‑array radar signals. Measure pulse width, PRF, FM slope, phase noise and spurious components. Widely used in anechoic chamber radiated coupling tests.
• Transient & Frequency‑Hopping Signal Monitoring: RTSA capability catches short burst signals and intermittent interference easily missed by traditional swept analyzers, supporting EMI troubleshooting and interference source tracing.
• Low‑Noise Receiver Link Evaluation: Phase noise, noise floor and noise figure measurement for local oscillators and LNAs to characterize receiver sensitivity and link budget.
• High‑Power mmWave Component Testing: Spectrum and intermodulation distortion measurement for mmWave power amplifiers and array antennas. High dynamic range prevents instrument distortion from contaminating measurement results.
• Long‑Term Signal Recording & Post‑Analysis: Wideband streaming and signal logging in complex electromagnetic environments for post‑event review, signal reconstruction and recurring fault reproduction, suitable for EW and RF reconnaissance projects.

4. Business Remark (for quotation)

This flagship UXA signal analyzer is a preferred wideband mmWave test platform for R&D labs, production verification stations and third‑party test houses. Available for sale and rental. Calibration service, technical consultation and customized test solution support can be provided. It consolidates multiple measurement functions into one instrument and simplifies complex wideband mmWave test system integration.