A general-purpose vector signal analyzer offers a low-cost, flexible option for measuring the frequency settling time of PLLs. By Douglas Olney, Keithley Instruments Inc. The frequency-settling time ...

Unlike most airplane pilots, ex-Marine Reuben Snodgrass waits expectantly for bad weather. When the clouds crowd down, or sea fog rolls in over Long Island’s MacArthur Field, Rube and his crew crank ...

Despite highly specialized methods that can simultaneously produce a range of materials on a single sample and then measure them automatically, every minute counts when analyzing them: because days or ...

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