Racal Instruments 3156B, Руководство пользователя

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3156B User Manual
Programming Reference 5-92 Racal Instrument © 2005
Ri3156b_set(query)_sweep_type
Description
This specifies the sweep step type. Two options are available: logarithmic or linear. In linear, the incremental
steps between the frequencies are uniform throughout the sweep range. Logarithmic type defines logarithmic
spacing throughout the sweep range.
Channel Dependency: Independent
C Syntax
ViStatus ri3156b_set_sweep_type (ViSession instrHandle, ViInt16 sweepType)
Parameters
Name
Variable
Type
Description
instrHandle ViSession The Instrument Handle is used to identify the unique
session or communication channel between the driver
and the instrument. If more than one instrument of the
model type is used, this will be used to differentiate
between them. Note that the initialize function may be
used to associate multiple instrument handles with a
single instrument.
SweepType
ViInt16
Sets the sweep step type.
Valid range: 0,1
0 – selects linear step;
1 – selects logarithmic step
Default: 0
Return Values
Displays the return status of the function call. If the function was successful, it will return a status of
VI_SUCCESS, otherwise it will return an error code. Passing the error code into the function
"ri3156B_error_message()" will return a string describing the error.