Random sampling

Random sampling is a sampling oscilloscope technique that allows viewing of the pre-trigger regions of the waveform, as well as the actual trigger event and after the trigger event.

In some applications, it eliminates the need for a delay line in the vertical signal path, thereby avoiding the signal integrity problems of delay lines.

Random sampling is provided by the 3T2 and 7T11.

Random sampling is described by George Frye in US Patent 3,611,003.

Selected publications

• George Frye and Norris S.Nahman, Random Sampling Oscillography. IEEE Transactions on Instrumentation and Measurement (Volume IM-13 Issue 1, March 1964)
• Jim Andrews, Random Sampling Oscilloscope for the Observation of Mercury Switch Closure Transition Times.