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Application Notes
When Hewlett-Packard introduced the HP 8903B audio analyzer more than two decades ago, it quickly became the industry standard because of its unprecedented performance and features for its time. Its enduring popularity, even after Keysight Technologies inherited HP’s measurement business in 1999, made compatibility with the 8903B a high priority in the design of Keysight’s next generation audio analyzer. The Keysight U8903A is not only designed as a replacement for the 8903B, it also includes up-to-date features such as FFT analysis, making it ideally suited for the demands of modern audio test.
To ensure that migrating from the 8903B to the U8903A is as effortless as possible, Keysight has taken steps to ensure physical and features compatibility. For example, the U8903A not only fits into the same 3U rack space, it also has the same power-up conditions as its predecessor.
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