Agilent / Keysight N5234B 43.5GHz PNA-L Microwave Network Analyzer

The Keysight N5234B is a 2-port microwave network analyzer delivering S-parameter measurement capability from 10 MHz to 43.5 GHz. Built on PNA-L architecture, this instrument balances performance and cost-effectiveness for component characterization and signal integrity analysis in R&D and manufacturing settings.

Technical Specifications

• Frequency range: 10 MHz to 43.5 GHz


• Output power: -6 dBm typical


• Dynamic range: Up to 122 dB


• Trace noise: 0.003 dB RMS


• Fast sweep capability: 201-point sweep in 6 ms minimum Port Configuration


• 2-port analyzer with single built-in source


• Ruggedized 2.4 mm (m) test ports Display and Interface


• 12.1-inch LCD multi-touch display


• USB connectivity


• Solid-state drive storage


• Intuitive touch interface for rapid measurement insight Operating Conditions


• Specifications valid over 25 °C ±5 °C after 90 minutes warm-up

Key Features

• S-parameter measurement across X-band, Ku-band, and Ka-band frequencies


• Differential and balanced component analysis with common-mode rejection capability


• Mixed-mode performance characterization including amplitude and phase imbalance quantification


• Core firmware architecture shared with higher-tier PNA series


• Option 200: Standard 2-port configuration with base test set


• Option 216: Extended power range via front-panel jumpers and source attenuators

Typical Applications

• Passive component testing (filters, couplers, antennas)


• Simple active device characterization


• Materials and dielectric characterization


• Signal integrity assessment in microwave systems

Compatibility & Integration The N5234B integrates into existing laboratory environments via standard USB interfaces and operates standalone or networked. Ruggedized 2.4 mm connectors support field-proven test fixtures and cable assemblies across the microwave band.