Keysight Technologies 3458A Guide D'utilisation page 193

Digitizing Methods
The multimeter can digitize signals by making DC voltage measurements, by
direct-sampling, or by sub-sampling.
each digitizing method.
multimeter's signal path for each digitizing method.
front terminal connections for all methods of digitizing.
Table 5-1
[a] Range dependent. See the
[b] Effective sampling rate (refer to
Figure 5-2 Digitizing signal paths
Keysight 3458A User's Guide
Digitizing methods
Digitizing method
DCV
Direct-Sampling
Sub-Sampling
"Appendix A: Specifications"
Table 5-1
Figure 5-2 shows a simplified block diagram of the
Maximum
sampling rate
100 k/sec
50 k/sec
[b]
100 M/sec
on page 409 for details.
Sub-Sampling later in this chapter for details).
summarizes the characteristics of
Figure 5-3 and shows the
Band wid th
[a]
DC - 150 kHz
DC - 12 MHz
DC - 12 MHz
Digitizing 5
Repetitive
signal required
No
No
Yes
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