Agilent E4448A

This used Agilent E4448A PSA series signal analyzer provides high performance spectrum analysis up to 50 GHz, making it suitable for advanced microwave and millimeter wave applications. The PSA series was well regarded for its excellent phase noise performance and wide dynamic range, which are important qualities for characterizing complex signals in research, aerospace, and defense related testing. Even though newer platforms exist, many labs continue to rely on the PSA series for its dependable measurement accuracy. This analyzer supports a broad set of measurement personalities that were standard for its era, including options for digital modulation analysis and noise figure measurement, giving users flexibility for a wide range of RF characterization tasks. Its front panel layout and menu structure will be familiar to technicians who have worked with other Agilent or Keysight spectrum analyzers, easing the transition for labs upgrading or diversifying their instrument fleet. The instrument is also commonly used as a reference grade analyzer for calibration and verification work. Our technicians tested this unit for power on operation, frequency accuracy, and general amplitude linearity prior to listing. It is sold as used equipment in good working condition, complete with a power cord. This analyzer offers an economical path to high frequency measurement capability for labs that do not require the latest generation feature set.