The Agilent/Keysight E5124A is a broadband services analyzer plug-in module designed for network characterization and RF component testing. It measures critical S-parameters (S11, S12, S21, S22), complex impedance, and frequency response to evaluate device performance across specified frequency ranges. The instrument delivers time-domain analysis capabilities, enabling impedance profiling along transmission lines and assessment of device discontinuities in both time and distance domains for direct DUT evaluation.
Technical Specifications
• S-Parameter Measurement: All four S-parameters (S11, S12, S21, S22) for full two-port network characterization
• Impedance Analysis: Complex impedance matching and measurement
• Frequency Response: Measures network performance across user-defined frequency ranges
• Time-Domain Analysis: Impedance profiling along transmission line length; discontinuity detection and evaluation in time or distance representation
• Calibration: Electronic calibration (ECal) module support for rapid calibration and measurement accuracy optimization
– Key Features
• Plug-in module form factor for integration into Keysight modular systems
• Time-domain impedance viewing for intuitive DUT discontinuity assessment
• Electronic calibration compatibility for streamlined test setup
– Typical Applications
• Broadband communications characterization
• RF/microwave component testing and validation
• Transmission line analysis and discontinuity location
• Network parameter extraction for design verification
– Compatibility & Integration
The E5124A integrates as a plug-in module within compatible Keysight mainframe systems. It works with Keysight accessories and software solutions to expand measurement capability within modular test architectures.

















