Command Summary
50 Keysight 3458A Quick Reference Guide
50 Keysight 3458A Quick Reference Guide
SSAC [max._input] [,%_resolution]
or
SSDC [max._input] [,%_resolution]
Sub-Sampling. Configures the multimeter for 
sub-sampled voltage measurements (digitizing). 
The SSAC function measures only the AC 
component of the input waveform. The SSDC 
function measures the combined AC and DC 
components of the waveform. Otherwise, the two 
functions are identical. The input signal must be 
periodic (repetitive) for sub-sampled 
measurements. Sub-sampled measurements use 
the track/hold circuit (2 nanoseconds aperture) 
and a wide bandwidth input path (12 MHz 
bandwidth).
max._input: Selects the measurement range. (See 
the RANGE command for details).
Power-on max._input = not applicable.
Default max._input = 10V.
%_resolution: Is ignored when used with the 
SSAC or SSDC command.
SSPARM?
Sub-Sampling Parameters Query. Returns the 
parameters necessary to reconstruct a 
sub-sampled waveform (SSAC or SSDC 
command) when the samples are sent directly to 
the GPIB output buffer. (Reconstruction is 
automatic when the samples are sent directly to 
reading memory).