In 1996 Hewlett-Packard introduced the first mixed-signal oscilloscope (MSO) with two 100 MHz analog channels and 8 or 16 digital logic channels - the HP 54645. Read more...

Digitizer and Oscilloscope - Equal Alternatives?

Can a digitizer be used as an oscilloscope? What is the difference between an oscilloscope and a digitizer? Should I better use a digitizer or an oscilloscope in my next application? These are interesting questions and the best way to start to answer these is the look up the dictionary definition of an oscilloscope: "An electronic instrument used to measure changing electric voltages. It displays the waveforms of electric oscillations on a screen."

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Precision Phase Noise Measurement Technique - Part 2

In the first part of this article a simple phase noise measurement technique with a resolution of 10 ps was explained. There are other techniques, which could enhance the performance of the measurement to sub-picoseconds. That is the subject of this article.

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