Acquisition Controls
TDS3000B Serie s User Manual
3-9
Samples acquired in four
acquisition intervals
Displayed record points (at
maximum horizontal magnification)
Acquisition
mode
Sample mode acquires one sample in each interval.
Peak Detect
Interval 1 2 3 4 Interval 1 2 3 4
Peak Detect mode uses the lowest and highest amplitudes from two consecutive i ntervals.
Sample
Sample. Use Sample acquisition mode for the fastest acquisition at
any SEC/DIV setting. Sample mode is the default mode.
Peak Detect. Use Peak Detect acquisition mode to limit the possibility
of aliasing. Also, use Peak Detect for glitch detection. You can see
glitches as narrow as 1 ns.
Peak Detect is only functional for sample rates up to 125 MS/s. For
250 MS/s and faster sample rates, the oscilloscope reverts to Sample
acquisition mode, where the narrowest detectable pulse width is
1/(sample rate).