N5227B.pdf - 第78页

Find us at www. keysi ght.com Page 78 Table 80 . Cycle Time (ms) vs. Number of Points - Typical Applies to t he Pres et condi tion (cor rection off) except for the f ollowin g changes : • CF = 10 GH z • Span = 10 0 MHz •…

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Table 79. Cycle Time vs. IF Bandwidth - Typical
Applies to the Preset condition (201 points, correction off) except for the following changes:
•
CF = 10 GHz
•
Span = 100 MHz
•
Display off (add 21 ms for display on)
Cycle time includes sweep and retrace time.
Description N5227B
IF Bandwidth (Hz)
Cycle Time (ms)
Trace Noise Magnitude (dB rms)
600,000
2.6
0.0044
100,000
3.7
0.0021
30,000
7.1
0.0011
10,000
27.1
0.0007
3,000
69.5
0.0006
1,000
200.8
0.0004
300
617
0.0004
100
1799
0.0003
30
5955
0.0003
10
17804
0.0003
3
59247
0.0003
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Table 80. Cycle Time (ms) vs. Number of Points - Typical
Applies to the Preset condition (correction off) except for the following changes:
•
CF = 10 GHz
•
Span = 100 MHz
•
Display off (add 21 ms for display on)
Cycle time includes sweep and retrace time.
Description IF Bandwidth (Hz)
Number of Points
1,000
10,000
30,000
600,000
3
7.8
6.3
6.3
6.3
11
16.4
6.3
6.3
6.3
51
60
11
6.3
6.3
101
114
17.2
7
6.3
201
223
29.7
9.4
6.3
401
437
54.7
14.9
7.1
801
862
105
25
7.8
1,601
1708
205
46
11
6,401
6728
805
169
30.5
16,001
16672
2005
417
68.8
32,001
33112
4006
833
134
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Table 81. Data Transfer Time
1
(ms) - Typical
The following was measured on a unit with Synthesizer 6.
Description Number of Points
201 401 1601 16,001 32,001
SCPI over GPIB (Program executed on external PC
2
)
32-bit floating point
4.6
9.3
38
352
720
64-bit floating point
9.4
18.8
73.4
730
1455
ASCII
36.7
72.5
288
2882
5762
SCPI over SICL/LAN or TCP/IP Socket
3
(Program executed in the analyzer)
32-bit floating point
<1
<1
<1
1.2
2.4
64-bit floating point
<1
<1
<1
2.3
4.6
ASCII
2.1
4
15
148
295
COM
1
(Program executed in the analyzer)
32-bit floating point
<1
<1
<1
<1
<1
Variant type
<1
<1
1.4
12.4
25.5
DCOM over LAN
3
(Program executed on external PC)
32-bit floating point
<1
<1
<1
2.3
4.4
Variant type
<1
1.6
5.3
52
105.5
1
Measured with the analyzer display off. Values will increase slightly if the analyzer display is on.
2
Measured when using the SCPI command DISPlay:VISible OFF.
3
Values are for real and imaginary pairs, with the analyzer display off, using Gigabit Ethernet.
Specifications for Recall & Sweep Speed are not provided for the N522xB analyzers.