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65
Measuring the -3 dB Bandwidth
Using the marker bandwidth search function, the bandwidth, center
frequency between two cutoff frequency points, Q value, and insertion loss
are all read out. These parameters are described in the following table.
• If the two cutoff frequency points are not found, all data items
except the insertion loss revert to zero.
Parameter Description
BW (Bandwidth) Stimulus width between two cutoff frequency
points (low and high)
cent (Center Frequency) Center point between cutoff frequency points
(low and high)
low (Left-side Cutoff
Frequency)
The lower frequency of the two cutoff frequency
points
high (Right-side Cutoff The higher frequency of the two cutoff
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