
displays an active marker on the screen and provides access to
a series of menus to control from one to five display markers
for each channel. Markers provide numerical readout of
measured values at any point of the trace.
. . . .
The menus accessed from the
key provide several basic
marker operations. These include special marker modes for
different display formats, and a marker delta mode that displays
marker values relative to a specified value or another marker.
uses the active marker to set the amplitude offset for the limit
lines. Move the marker to the desired middle value of the limits
and press this
The limits are then moved so that they
are centered an equal amount above and below the marker at
that stimulus value.
changes the stimulus center value to the stimulus
of the
active marker, and centers the new span about that value.
sets the CW frequency of the analyzer to the frequency
of the active marker. This feature is intended for use in
automated compression measurements. Test sequences allow
the instrument to automatically find a maximum or minimum
point on a response trace. The
command sets
the instrument to the CW frequency of the active marker.
When power sweep in engaged, the CW frequency will already
be selected.
adjusts the electrical delay to balance the phase of the DUT.
This is performed automatically, regardless of the format and
the measurement being made. Enough line length is added to or
subtracted from the receiver input to compensate for the phase
slope at the active marker position. This effectively flattens
the phase trace around the active marker, and can be used
to measure electrical length or deviation from linear phase.
Additional electrical delay adjustments are required on
without constant group delay over the measured frequency
span. Since this feature adds phase to a variation in phase
versus frequency, it is applicable only for
inputs.
sets the midpoint for
using the active marker
. . ...” . . . . . . .
to set the middle amplitude value of a limit segment. Move the
marker to the desired value or device specification, and press
this key to make that value the midpoint of the delta limits.
The limits are automatically set an equal amount above and
below the marker.
makes the reference value equal to the active marker’s
response value, without changing the reference position. In a
polar or Smith chart format, the full scale value at the outer
circle is changed to the active marker response value. This
also appears in the scale reference menu.
Key Definitions
Содержание HP 8753E
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Страница 138: ...Figure 2 62 aw000024 Gating Effects in a Frequency Domain Example Measurement Making Measurements 2 87 ...
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Страница 174: ...Figure 3 23 Example Swept Power Conversion Compression Measurement 3 32 Making Mixer Measurements ...
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