3 Using the Source Functions
102 Model N6705 User’s Guide
Importing/Exporting User-Defined and Constant-Dwell Arb Data
You can create an arbitrary waveform in a Microsoft Excel
spreadsheet and import it into the instrument using the Import
function as previously explained in this chapter under “Configuring
User-Defined Properties” and “Configuring Constant-Dwell
Properties”. Likewise, you can also Export an arbitrary waveform
from the instrument to a spreadsheet.
In the following spreadsheet examples, the file format for user-
defined Arbs and constant-dwell Arbs is shown. The format includes
a notes section, tag header, and the appropriate number of data
header and data row columns.
Notes section - This section contains text to describe the file. It can
also contain empty rows. Notes rows are generally one column wide.
Tag header - This row must contain one of the following tags:
%arbtype=arbuservolt
%arbtype=arbusercurr
%arbtype=arbcdvolt
%arbtype=arbcdcurr
For constant-dwell Arbs, a second tag row must specify the dwell:
%constantdwell=<float>
Data header - For user-defined Arbs, the data header row must have
3 columns with the following headings: VALUE, TIME, and TRIGGER.
For constant-dwell Arbs, the header row has one column with the
heading: VALUE. All rows following the header are the data rows.
Data rows - For user-defined Arbs, the data in the VALUE column
must match the Arb type; either voltage or current values. The TIME
column specifies the dwell time of the step in seconds. The TRIGGER
column requires a value of zero as the default. If you want the Arb to
generate an external trigger signal at the start of the step, replace the
zero with a one. For constant-dwell Arbs, the data in the VALUE
column must match the Arb type; either voltage or current values.
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