R3131 Spectrum Analyzer Operation Manual
2.4 Other Functions
ADVANTEST R3131
REF 0.0 dem
..?dE3/. .
Fri 28 Aug 1998Sweep
ATT 10dB A_wrt B_Plnk
SiesEEP.
, 50 ms
(RL T0.31 dBm
CENTER 270.0 MHz
RBW 1 MHz VBW 1 MHz
Norm Norm SWP Time
porker AUTO /MNL
--273.0-MHz
-3.736 dB
Auto All
SPAN 100.0 MHz
*SWP SO ms
Gate Sig
External
ON /OFF
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..
2.4 Other Functions
ADVANTEST R3131 Fri 28 Aug 1998 XdB Down
REF 0.0 dBm ATT 10dB A_wrt B_Plnk
' Mg"- Norm XdB Down
a marker
HKR
0.125 dB
XdB Left
13. Press MEAS, XdB Down, 3, Gliz(+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
31.4
RL -0.31 dBm
CENTER 270.0 MHz SPAN 100.0 MHz
RBW 1 MHz VBW 1 MHz *SWP 50 ms
XdB Right
MKR
Read
DLT
LFT /RHT
Cont Down
ON /OFF
Figure 2-81 3-dB Bandwidth Measurement Screen
2.4.1 Using Floppy Disks
The spectrum analyzer is equipped with a 3.5-inch floppy disk drive. You can save text data (settings, trace
data and correction data) and BMP data (trace displays) to floppy disks using this drive. The data on floppy
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