HP 8561E

The HP 8561E is a used microwave spectrum analyzer offering extended frequency coverage for engineers working with higher frequency signals in communications, radar, and satellite applications. Building on the proven 8560 series platform, this model provides enhanced accuracy and sensitivity for demanding microwave measurement tasks. The unit has been checked for functionality and is ready to be put back into service. In practical use, this analyzer supports tasks like verifying oscillator stability, checking spurious and harmonic content at microwave frequencies, and performing component level testing on amplifiers and converters. Its synthesized sweep generator delivers repeatable frequency accuracy, while a variety of resolution bandwidth settings allow users to tailor the measurement to the signal being examined. The instrument maintains the familiar 8560 series control layout, which shortens the learning curve for technicians already trained on HP analyzers. Supplied in used, working condition, this HP 8561E is well suited for test labs, repair depots, and engineering groups that need reliable microwave spectrum analysis at a fraction of the cost of new equipment. It remains a solid choice for organizations maintaining legacy HP based test systems.