www.microwavejournal.com/articles/29053-fundamentals-of-building-a-test-system-switching-and-multiplexing

Digitizer Squarely Aimed at 5G Applications
September 15, 2017
You may not know of Guzik Technical Enterprise. The small California-based company is an innovator in the disk drive test market, and more recently has entered the broader electronic test market with a series of AXIe-based digitizers and signal processors.