R3267 Series Spectrum Analyzer Operation Manual (Vol.1)
3.4 List of Settings
3-85
3.4
List of Settings
This section shows various settings that are used with the analyzer.
3.4.1
Set Resolution
Table 3-1 Center Frequency Set Resolution vs. Frequency Span
3.4.2
Set Values for RBW, VBW and Sweep-Time
When set to AUTO, the values for RBW, VBW and Sweep-time are displayed in the table below. The set-
tings such as "RBW: Span" and "RBW: VBW" are set to OFF.
Table 3-2 Values for RBW, VBW and Sweep-Time (using AUTO)
Sweep Time (Sec) = SPAN
÷
(RBW
×
m
×
k)
Where m is either RBW or VBW, whichever is smaller.
k is determined as follows:
k = 0.2 if RBW = 3 kHz and SPAN
≤
220 kHz
k = 0.39 if RBW = 1 kHz and SPAN
≤
60 kHz
k = 0.5 if none of the above is encountered.
NOTE:
The above conditions do not apply to the digital filter mode.
Frequency span
Center frequency set resolution
10 GHz
≤
Span
10 MHz
1 GHz
≤
Span < 10 GHz
1 MHz
100 MHz
≤
Span < 1 GHz
100 kHz
10 MHz
≤
Span < 100 MHz
10 kHz
1 MHz
≤
Span < 10 MHz
1 kHz
100 kHz
≤
Span < 1 MHz
100 Hz
10 kHz
≤
Span < 100 kHz
10 Hz
Span
≤
10 kHz
1 Hz
Frequency span
RBW
VBW
200 MHz
≤
Span
3 MHz
3 MHz
60 MHz
≤
Span < 200 MHz
1 MHz
1 MHz
20 MHz
≤
Span < 60 MHz
300 kHz
300 kHz
6 MHz
≤
Span < 20 MHz
100 kHz
100 kHz
2 MHz
≤
Span < 6 MHz
30 kHz
30 kHz
300 kHz
≤
Span < 2 MHz
10 kHz
10 kHz
100 kHz
≤
Span < 300 kHz
3 kHz
3 kHz
30 kHz
≤
Span < 100 kHz
1 kHz
1 kHz
10 kHz
≤
Span < 30 kHz
300 Hz
300 Hz
5 kHz
≤
Span < 10 kHz
100 Hz
100 Hz
1 kHz
≤
Span < 5 kHz
30 Hz
30 Hz
Span < 1 kHz
10 Hz
10 Hz