Sweep Time; Manual Sweep Time Mode; Auto Sweep Time Mode; Minimum Sweep Time - Agilent Technologies 8719D User Manual

Sweep Time

The :;##l& ~XE#jl$ softkey selects sweeptime as the active entry and shows whether the
automatic or manual mode is active. The following explains the difference between automatic
and manual sweep time:
Manual
sweep time.
n
instrument, it will remain fixed, regardless of changes to other measurement parameters. If
you change measurement parameters such that the instrument can no longer maintain the
selected sweep time, the analyzer will change to the fastest sweep time possible.
Auto sweep time continuously maintains the fastest sweep speed possible
Auto sweep time.
n
with the selected measurement parameters.
Sweep time refers only to the time that the instrument is sweeping and taking data, and
does not include the time required for internal processing of the data, retrace time, or
bandswitching time. A sweep speed indicator 1 is displayed on the trace for sweep times longer
than 1.0 second. For sweep times faster than 1.0 second, the 1 indicator appears in the status
notations area at the left of the analyzer's display.
engaged whenever you enter a sweep time greater than zero. This mode allows you to select a
is no longer possible, the analyzer will automaticahy increase to the next fastest sweep time
possible. If the measurement parameters are changed such that a faster sweep time is possible,
the analyzer wilI not alter the sweep time while in this mode.

Auto Sweep Time Mode

whenever you enter @ lXJ as a sweep time. Auto sweep time continuously maintains the
fastest sweep time possible with the selected measurement parameters.

Minimum Sweep Time

At 201 measurement points approximately 50 ms is added for each additional measured
parameter.
The minimum sweep time is dependent on the following measurement parameters:
IF bandwidth
n
sweep-to-sweep averaging in dual channel display mode
n
error-correction
n
type of sweep
n
In addition to the parameters listed above, the actual
dependent on the following measurement parameters:
smoothing
n
limit test
n
trace math
n
time domain (Option 010 Only)
n
Application and Operation Concepts
As long as the selected sweep speed is within the capability of the
. . i . .
of the analyzer is also
cycle time