3152B User Manual
Publication No. 980935 Rev. A
5-50 Programming Reference
EADS North America Test and Services
Parameters
Name
Range
Type
Default
Description
<voltage>
-100 to 100 Numeric
100
Programs level of the DC function in units of percent.
Response
The 3152B returns the current DC voltage value.
DC:AMPLitude <amplitude>(?)
HS Syntax: 0046A<float>(?)
Description
Programs the amplitude of the DC function in units of Volts. Unlike the previous command, you do not have to
compute percent value to determine the actual output.
Parameters
Name
Range
Type
Default
Description
<amplitude> -8 to 8
Numeric
5
Programs the DC amplitude parameter.
Response
The 3152B returns the current DC amplitude value in units of Volts.
Arbitrary
Waveforms
Control
Commands
This group is used to control the arbitrary waveforms and their
respective parameters. This will allow you to create segments and
download waveforms. Using these commands you can also define
segment size and delete some or all unwanted waveforms from your
memory. Use the commands in this group to turn the digital output on
and off and to download data to the digital pattern buffer.
Factory defaults after *RST are shown in the Default column.
Parameter range and low and high limits are listed, where applicable.
Generating Arbitrary Waveforms
Arbitrary waveforms are generated from digital data points, which are
stored in a dedicated waveform memory. Each data point has a
vertical resolution of 16 bits (65536 points), i.e., each sample is
placed on the vertical axis with a precision of 1/65536. The 3152B has
the following waveform memory capacity:
1M – standard memory configuration
4M – optional memory expansion
Each horizontal point has a unique address - the first being 00000 and
the last depends on the memory option. In cases where smaller
waveform lengths are required, the waveform memory can be divided
into smaller segments.
When the instrument is programmed to output arbitrary waveforms,
the clock samples the data points (one at a time) from address 0 to
the last address. The rate at which each sample is replayed is defined
by the sample clock rate parameter.
Unlike the built-in standard waveforms, arbitrary waveforms must first
be loaded into the instrument's memory. Correct memory
management is required for best utilization of the arbitrary memory.
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