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SCPI Commands for the Digital to Analog Converter
3–182
VX4101A MultiPaq Instrument User Manual
Parameter Resolution
<ASCII Trace Voltages> 8 mV
<Channel>
<Numeric List of Indices>
<ASCII Trace Voltages>}
8 mV
<repeat frequency> 240 E3/n
where 16 v n v 3,840,000
<repeat period> n/240 E3
where 16 v n v 3,840,000
<sample_rate> 240 E3/n
where 16 v n v 2^16
FORMat
The TRACe: and TRACe|DATA commands perform the following operations:
TRACe:CLEAR
This command zeroes the DAC as follows:
H Sets the output array for each of the 8 DAC channels to zero.
H Sets all 1024 samples of each output array is set to zero.
H Sets all DAC output points to zero.
If the DAC is currently producing output, it stops immediately upon receiving
this command. The instrument initializes the array as in the power-on sequence
and returns to its default state. The Points register is not affected by the Clear
command.
TRACe | DATA [:DATA] <Channel >,<Index>{,<ASCII Trace Voltages|BINary Indefinite
Block Trace Voltages}
This command enables you to use the arbitrary waveform generator capabilities
of the DAC. You can enter the command with either the TRACe or DATA prefix.
The command loads the selected DAC channel with the list of sample voltage
values. The command programs the DAC with ASCII or binary data.
You can use the parameters provided with the command, as follows:
If either the Channel Select or the Array Index integer parameters are
omitted, an error is generated.
If this command is sent while the instrument is generating a waveform (e.g.
Sweeping), then the instrument will automatically perform an implied abort
Resolution
Related Commands
Command Description