Horizontal and acquisition setups Select a s ampling mode
The sampli
ng speeds and the number of channels you choose affect the mode the instrument uses to
sample waveforms. The instrument always uses real-time sampling at slower time base settings; faster
time settings force the instrument to switch from real-time sampling to equivalent-time sampling.
The following tables show the time base setting(s) at which the switch from real-time sampling (RT) to
equivalent-time sampling (ET) occurs for your instrument.
Sampling mode selection DPO7254C, and DPO7104C with Option 10X
Channels on
123or4
Time base ≥100 ps/pt
RT RT RT
50 ps/pt
RT RT ET
25 ps/pt
RT ET ET
≤25 ps/pt
ET ET ET
Sampling Mode Selection DPO7104C, and DPO7054C With Option 10X
Channels on
123or4
Time base≥200 ps/pt
RT RT RT
100 ps/pt
RT RT ET
50 ps/pt
RT ET ET
≤50 ps/pt
ET ET ET
Sampling Mode Selection DPO 7054C
Channels on
123o
r4
Time base≥400 ps/pt
R
T
R
T
R
T
200 ps/pt
R
T
R
T
E
T
100 ps/pt
RT ET ET
≤100 ps/pt
ET ET ET
Sampling Mode Selection DPO70000C/D, DSA70000C/D, and MSO70000C
Channels on
123or4
Time base≥40 ps/pt
RT RT RT
≤20 ps/pt ET/IT ET/IT ET/IT
DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series 191
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