Agilent Technologies 8753ET User Manual page 105

of ripple limits shown. Also notice that the measured trace exceeds the upper ripple limit only in Frequency
Band 3.
Figure 1-70 Filter Pass Band with Ripple Test and Ripple Limits Activated
Changing the Ripple Limits Line Color. The color of the lines that represent the ripple limits can be
changed by:
1. pressing the
Display
2. pressing
MORE ADJUST DISPLAY
3. pressing
RIPPLE LIM LINES
color appears (You may also use the step keys or the numeric keypad instead of the front panel knob to
change the color.)
Checking the Ripple Value
Once the ripple test has been started and is running, you may display the ripple value of each frequency
band in one of two formats, the absolute format or the margin format. Both formats are described in this
section.
To display the ripple value, press
RIPL VALUE [OFF ]
RIPL TEST on OFF
softkey toggles the analyzer between ripple test on and ripple test off status.
When the Absolute and Margin choices are selected, the frequency band and measurement value are
displayed to the right side of the pass/fail message described previously. This display is displayed in the
same color as the pass/fail message.
The frequency band of the displayed value is displayed as Bn (where n = the frequency band number). The
key
MODIFY COLORS
and turning the analyzer front panel knob until the desired
TINT
RIPL VALUE [ ]
,
RIPL VALUE [ABSOLUTE ]
from the Ripple Test Menu until ON is displayed on the softkey. Pressing this
Using Ripple Limits to Test a Device
MORE
. Pressing this softkey toggles between
, and
RIPL VALUE [MARGIN ]
Making Measurements
.
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