YOKOGAWA DL9000 Series - Turning Repetitive Sampling Mode ON;OFF

Acquisition and Display
7-5
IM 701310-01E
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App
Index
7.4 Turning Repetitive Sampling Mode ON/OFF
Procedure
1.
Press SAMPLING/LENGTH.
2.
Press the Repetitive soft key to select ON or OFF.
Explanation
In repetitive sampling mode, the DL9000 increases the effective sample rate by taking
multiple samples of a repeating signal, using the trigger point as a reference. When
repetitive sampling mode and interpolation are both ON, interpolation takes precedence
if the sampling rate is less than 500 GS/s. Repetitive sampling mode takes precedence if
the time axis setting is less than 50 ns/div and the sample rate is greater than or equal to
500 GS/s.
Even if you turn repetitive sampling mode OFF, if interpolation is also OFF and the
time axis setting is such that the record length is less than 100 points, the DL9000 will
automatically use repetitive sampling.
Note about Repetitive Sampling
Exponential averaging is used with repetitive sampling. Even if the trigger mode is Single
or N Single, simple averaging will not be used.