The Keysight N5172B EXG X-Series is a high-performance RF vector signal generator designed for manufacturing test, R&D, and wireless communications applications. Covering 9 kHz to 6 GHz with industry-leading reliability, the N5172B delivers the speed, accuracy, and versatility needed for characterizing RF components and receivers in demanding test environments.

• Wide Frequency Coverage: 9 kHz to 6 GHz continuous frequency range with excellent level accuracy for RF component and system testing from HF through C-band.
• High Output Power: -144 dBm to +26 dBm output with electronic attenuator for precision level control across the full dynamic range.
• Low Phase Noise: -122 dBc/Hz at 1 GHz carrier, 20 kHz offset (typ.), enabling accurate adjacent channel selectivity and receiver blocking measurements.
• Vector Modulation: Integrated I/Q modulator with up to 120 MHz internal baseband generator bandwidth for generating complex digitally modulated signals.
• Multi-Format Modulation: Built-in support for AM, FM, PM, and Pulse modulation, plus arbitrary waveform playback for custom signal scenarios.
• Excellent Spectral Purity: Harmonics ≤ -30 dBc (typ.) and non-harmonics ≤ -72 dBc (typ.) ensuring clean signal generation for sensitive measurements.

• Internal Baseband Generator: Up to 120 MHz modulation bandwidth with 64 MSa arbitrary waveform memory for generating LTE, WLAN, 5G NR, and custom waveforms.
• Real-Time and Arbitrary Waveform Modes: Generate continuous standard-compliant signals or custom waveforms for stress testing and receiver verification.
• Frequency and Power Sweep: Configurable sweep modes for frequency response and gain compression measurements on amplifiers, filters, and mixers.
• Fast Frequency Switching: ≤ 1.6 ms (typ.) switching speed for high-throughput automated test environments.

• Wireless communication receiver testing (cellular, WLAN, Bluetooth, IoT, 5G)
• RF component characterization (amplifiers, filters, mixers, LNAs)
• EMC immunity and conducted susceptibility testing
• Production test and quality assurance for RF devices and modules
• Education and university RF and communications laboratories
• Radar and defense electronics testing

The N5172B belongs to the Keysight EXG X-Series family, offering the industry-proven performance and reliability expected from Keysight signal generators. With its intuitive user interface, SCPI command compatibility, and robust mechanical design, the EXG series integrates seamlessly into existing test systems while delivering the measurement confidence needed for modern RF test applications.

• LAN (10/100 Base-T) for network-based remote control and firmware updates
• USB 2.0 for waveform file transfer and peripheral connection
• GPIB (IEEE 488.2, optional) for legacy automated test system integration
• Full SCPI command set compatibility with Keysight VEE, LabVIEW, and MATLAB