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Setting BW/AVG
You can manually set the Resolution Bandwidth (RBW), Video Bandwidth (VBW), and
the proportional VBW based on the designated RBW. Selecting Auto changes the value
to correspond to your frequency span setting for RBW and VBW/AVG settings for VBW.
Table 5
Table 5
Parameter
RBW
RBW Mode
Manual/Auto
VBW
VBW Mode
Manual/Auto
VBW/RBW
Average
Table 6
Table 6
RBW
30 kHz
April 2021
NOTE
It is recommended that you set the Attenuation to Auto in most situations, so
that the level of the input attenuator can be set automatically according to your
input signal level.
describes the key functions.
BW/AVG functions
Description
Tap RBW to set it manually. Tap a value between 1 Hz to 3
MHz. The RBW setting automatically changes to Manual.
Access: Menu > BW/AVG > RBW
Toggle the RBW Mode to Manual or Auto. When you select
Auto, it will be automatically set to an approximate value for
Span/100.
Access: Menu > BW/AVG > RBW (Manual/Auto)
Tap VBW to set it manually. Tap a value between 1 Hz to 3
MHz. The VBW setting automatically changes to Manual.
Access: Menu > BW/AVG > VBW
Toggle the RBW Mode to Manual or Auto.
Access: Menu > BW/AVG > VBW (Manual/Auto)
Sets the proportional VBW based on the designated RBW.
Select the ratio: 1, 0.3, 0.1, 0.03, 0.01, 0.001, or 0.003. Tog-
gle the VBW and RBW to Auto.
Access: Menu > BW/AVG > VBW/RBW
Sets the number of measurements to be averaged for the
trace presentation.
Access: Menu > BW/AVG > Average
provides a VBW/RBW ratio example.
VBW/RBW ratio example
Ratio (VBW/RBW)
1:1
1:0.3
SPA06MA-O User's Guide
VBW
30 kHz
10 kHz
22145360, R005
Chapter 2 Using Spectrum Analyzer
Setting BW/AVG
Page 13
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