The sampling 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 DPO7354C, DPO7254C, and DPO7104C with Option 2SR
Channels on 1 2 3 or 4
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
Channels on 1 2 3 or 4
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
Channels on 1 2 3 or 4
Time base≥400 ps/pt RT RT RT
200 ps/pt RT RT ET
100 ps/pt RT ET ET
≤100 ps/pt ET ET ET
Channels on 1 2 3 or 4
Time base≥40 ps/pt RT RT RT
≤20 ps/pt ET/IT ET/IT ET/IT
Channels on 1 2 3 or 4
Time base ≥20 ns/div RT ET RT
10 ns/div ET/IT ETIT ET/IT
Channels on 1 2 3 or 4
Time base ≥20 ns/div RT RT RT
Horizontal and acquisition setups
DPO70000SX, MSO/DPO70000DX, MSO/DPO70000C, DPO7000C, and MSO/DPO5000B Series 195
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