Agilent Technologies 24A Betriebsanweisung Seite 104

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1-91
Making Measurements
Using Ripple Limits to Test a Device
Viewing the Ripple Value in Margin Format
When is selected, the margin by which the ripple value passed
or failed is displayed. The ripple value margin is the user-defined maximum ripple minus
the absolute ripple value within the frequency band. This value is displayed in dB. A
positive value is the margin that the ripple passes the ripple test in the frequency band. A
negative value is the margin that the ripple fails the ripple test in the frequency band.
Figure 1-70 shows the ripple test with margin ripple value displayed for Frequency
Band 2. Notice that Frequency Band 2 passes the ripple test with a margin of 0.097 dB.
The plus sign (+) indicates this band passes the ripple test by the amount displayed. A
minus sign () would indicate that the band failed by the displayed amount.
Figure 1-70 Filter Pass Band with Margin Ripple Value for Band 2 Activated
RIPL VALUE [MARGIN ]
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