Agilent / Keysight N9000B CXA Signal Analyzer, 9 kHz to 26.5 GHz

The Keysight N9000B CXA Signal Analyzer delivers essential RF signal characterization across 9 kHz to 26.5 GHz, serving as a configurable platform for industrial communications, IoT, and wireless connectivity applications. Engineered for R&D, manufacturing, and field service environments, this entry-level X-Series analyzer combines proven measurement science with scalable modulation and power analysis capabilities. The instrument supports spectrum analysis, power measurements, EMI precompliance testing, and wireless signal formats including LoRa, Zigbee, Bluetooth, and WLAN standards.

Technical Specifications

• Frequency Range: 9 kHz to 26.5 GHz (configurable options: 3.0 GHz, 7.5 GHz, 13.6 GHz)


• Analysis Bandwidth: 10 MHz standard; 25 MHz optional (Option B25)


• Displayed Average Noise Level (DANL): −163 dBm/Hz at 1 GHz with preamplifier; −147 dBm at 26.5 GHz with preamplifier; −147 dBc/Hz at 2 GHz without preamplifier


• Third Order Intercept (TOI): +17 dBm at 1 GHz


• Absolute Amplitude Accuracy: ±0.5 dB


• Phase Noise: −110 dBc/Hz at 10 kHz offset (1 GHz carrier)


• Resolution Bandwidth: 1 Hz to 8 MHz


• W-CDMA ACLR Dynamic Range: −73 dB (with noise correction)

Key Features

• Internal preamplifier available, factory-configurable for frequency-specific noise floor optimization


• Spectrum analysis with center frequency, drift, output power, occupied bandwidth, and spurious emission characterization


• PowerSuite for Channel Power, Adjacent Channel Power (ACP), Occupied Bandwidth (OBW), and CCDF measurements


• EMI precompliance testing with CISPR16-1-1 bandwidth, quasi-peak detector, limit lines, and amplitude correction factors


• Analog and digital demodulation capabilities


• Expandable via X-Series measurement applications for noise figure and phase noise analysis

Typical Applications

• Industrial and IoT communication system verification


• Wireless connectivity signal analysis: LoRa CSS, 802.15.4 Zigbee, Bluetooth 4.0/4.2/5, WLAN 802.11 a/b/g/j/p/n/af/ah


• Legacy cellular communications characterization


• Precompliance EMI troubleshooting

Compatibility & Integration Scalable architecture accepts X-Series applications for extended measurement capabilities. Optional tracking generator support available.