Used AGILENT / HP / HEWLETT-PACKARD / KEYSIGHT E4991A #9304102 for sale

AGILENT / HP / HEWLETT-PACKARD / KEYSIGHT E4991A is a network analyzer for vector network measurements, providing frequency domain information for electrical and optical networks. HP E4991A utilizes a combination of frequency-stepping measurement techniques, directional couplers, and amplifiers to measure amplitude characteristics of various types of networks. AGILENT E4991A allows users to analyze networks up to 500MHz in frequency range, making it ideal for research and development, production test, and maintenance applications. An optional balanced measurement kit, comprising two pairs of directional couplers, enables E4991A to measure three-port networks and characterize power dividers. The network analyzer features a built-in low-noise receiver along with two tracking generator inputs, allowing the user to make balanced or unbalanced measurements. The analyzer can also measure amplitudes, impedances, phase angles, time delays, and noise parameters for various network devices. The network analyzer is equipped with an 8.4-inch touchscreen display, providing easy access to all of its features. The intuitive user interface can be used to customize settings such as frequency resolution, frequency points, and sweep time. Users can also store and recall up to eight sets of complete setups with the analyzer's memory function. KEYSIGHT E4991A is compatible with multiple connection types, supporting an SMA, Type-F, and APC-7 connection interface. It is also capable of performing automated correction measurements, letting users quickly calibrate the instrument with a minimum of effort. A GPIB interface allows users to connect the network analyzer to a computer and access the features of the analyzer through the GPIB module. HEWLETT-PACKARD E4991A is capable of making a variety of S-parameter measurements, including return loss, insertion loss, frequency response, gain, power transfer, and transmission gain. It is also compatible with a range of HP test adapters, allowing users to quickly and accurately measure a variety of network components. Overall, AGILENT / HP / HEWLETT-PACKARD / KEYSIGHT E4991A is an advanced vector network analyzer for measuring and characterizing electrical and optical networks. Its combination of advanced features, intuitive user interface, automated correction, and compatibility with multiple connection types make it an ideal choice for research and development, production test, and maintenance applications.