Keysight N9040B

This used Keysight N9040B UXA signal analyzer is a high performance instrument designed for demanding RF and microwave signal analysis tasks. It provides excellent dynamic range, low phase noise, and wide analysis bandwidth, making it suitable for advanced research, aerospace and defense testing, and wideband communications work. The unit has been maintained in working order and reflects normal cosmetic wear from prior lab use. Engineers rely on the N9040B for tasks that go beyond routine spectrum monitoring, including detailed modulation analysis, pulsed RF characterization, and evaluation of complex signal environments. Its touchscreen interface and modern measurement application suite allow fast setup and clear visualization of results, reducing time spent on test development. The instrument's architecture supports a range of optional measurement personalities, giving flexibility for labs handling varied signal types. For laboratories and manufacturers that need top tier signal analysis capability without paying full price for new equipment, this N9040B offers an attractive middle ground. It is sold in verified working condition and ready to be integrated into an existing test bench or automated measurement system.