Agilent / Keysight N5244B 43.5 GHz PNA-X Microwave Network Analyzer

The Keysight N5244B PNA-X is a 43.5 GHz microwave network analyzer that integrates dual signal sources, test sets, and S-parameter receivers into a single measurement engine. It delivers comprehensive linear and nonlinear device characterization for R&D and manufacturing environments, with configurable 2 or 4-port architecture and advanced error correction for precise S-parameter, noise figure, gain compression, and pulsed-RF measurements.

Technical Specifications

Frequency Range: 900 Hz / 10 MHz to 43.5 GHz Port Configuration: 2 or 4 ports Source Output Power: +13 dBm at 1 GHz; +11 dBm at 67 GHz Dynamic Range: 124 dB (201 points, 1 sweep); 134 dB and 127 dB (at 20 GHz test port) Measurement Speed: 3.6 to 23 µsec/point; 4.5 to 26 µsec/point Frequency Stability: <0.03 dB/°C to 0.05 dB/°C drift Trace Noise: 0.002 dB rms at 1 kHz bandwidth Harmonic Content: <60 dBc source harmonics

Key Features

• Dual internal signal sources with signal combiner and flexible RF access architecture


• Low receiver noise floor with high receiver compression level


• Advanced error correction for accurate linear and nonlinear characterization


• Narrowband pulse detection: 30 measurement points within 300 ns pulse; 10 ns timing resolution


• Receiver leveling for pulsed-RF power accuracy from ±1 dB to <0.05 dB


• Multi-touch display and intuitive operator interface


• Benchtop and rackmount configurations available

Typical Applications

• S-parameter measurements (CW and pulsed modes)


• Noise figure analysis


• Gain compression characterization


• Intermodulation and harmonic distortion (IMD)


• Pulsed-RF device measurements

Compatibility & Integration Compatible with Keysight Physical Layer Test System (PLTS) software and associated materials test equipment and accessories. High-accuracy noise figure measurement options available (e.g., Option 029).