Using the Oscilloscope
To enable 4.0 GSa/s sampling mode on the 54835A
3-57
To enable 4.0 GSa/s sampling mode on the 54835A
1 Select Acquisition from the Setup menu.
2 Click the radio button labeled “4 GSa/s, 64k pts (Channels 1, 3)” under
Configuration in the Acquisition Setup dialog box.
3 Click Close.
The 54835A achieves the maximum 4.0 GSa/s sampling rate by combining
acquisition hardware from two channels on a single channel. Thus, in this mode,
only channels 1 and 3 are available for input. Because the memory from two
channels is combined, the acquisition memory depth is doubled. This can be
useful in some measurement situations, even when you do not need the
maximum sampling rate of 4.0 GSa/s.
All sampling rates up to and including 4.0 GSa/s are available in this mode. You
can select the actual sampling rate used by selecting Manual under Sampling
Rate in this dialog box. You can also set the actual memory depth by selecting
Manual under Memory Depth in this dialog box.
Return to four-channel operation by clicking the radio button labeled “2 GSa/s,
32k pts (Channels 1, 2, 3, 4).” The maximum sampling rate is then 2.0 GSa/s.
Figure 3-42
Acquisition Setup for 4.0 GSa/s Sampling on the 54835A
Enables 4 GSa/s
sampling (two
channels are
available for input)
Enables 2 GSa/s
sampling (four
channels are
available for input)
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