R3131 Spectrum Analyzer Operation Manual
2.3 Measurement Examples
2-84
Aug 28/98
Figure 2-80 Insertion Loss Measurement Screen
Measuring a Bandwidth of 3 dB
This measurement is taken under the same conditions as the insertion loss..
13.
Press MEAS, XdB Down, 3, GHz(+dBm) and XdB Down.
Two markers are displayed on both sides 3 dB down from peak.
The filter bandwidth of 3 dB is displayed in the level field of the marker fre-
quency
Figure 2-81 3-dB Bandwidth Measurement Screen
