Used AGILENT / HP / HEWLETT-PACKARD / KEYSIGHT E4991A #159211 for sale

AGILENT / HP / HEWLETT-PACKARD / KEYSIGHT E4991A RF Impedance Analyzer is a high-performance, microwave test equipment designed to accurately measure the electrical impedance characteristics of components, materials, and device interfaces in the frequency range of 1 MHz to 12.5 GHz. HP E4991A provides calibrated accuracy and feature a wide range of features and capabilities designed to meet the needs of design engineers, production engineers, and service engineers alike. AGILENT E4991A offers both two and four port measurement configurations, providing flexible solution for a variety of applications. In the two port configuration, the instrument utilizes scattering parameters to measure the impedance characteristics of DUTs, while in the four port configuration, KEYSIGHT E4991A is capable of accurately measuring the S-parameters of active devices, such as amplifiers. E4991A utilizes a range of automatic test sequencing options, allowing users to quickly generate reliable measurements. These features include automatic setting of series and parallel resonant frequencies and automatic auto-calibration of test fixtures. HEWLETT-PACKARD E4991A also features a built-in thermal printer, allowing users to print hard copies of their results. AGILENT / HP / HEWLETT-PACKARD / KEYSIGHT E4991A utilizes a variety of transmission line modes that can be used to make accurate measurements in different applications. These include single-ended, differential, quasi-differential, and TDR/TDT measurements. HP E4991A is also capable of impedance matching and unbiased gain measurement, and utilizes a variety of IF bandwidths for improved resolution. The instrument also offers advanced plotting capabilities and supports various mathematical equations for different types of impedance measurements. The user can select from multiple formats for plotting, allowing for great flexibility. Additionally, the front panel of AGILENT E4991A features a graphical LCD display, providing an intuitive interface for quickly accessing and navigating the many features and capabilities of the instrument. In conclusion, KEYSIGHT E4991A RF Impedance Analyzer is high-performance, microwave test equipment designed to accurately measure the electrical impedance characteristics of components, materials, and device interfaces in the frequency range of 1 MHz to 12.5 GHz. It offers a range of features and capabilities designed to meet the needs of design engineers, production engineers, and service engineers and is an invaluable tool for many RF test applications.