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General Purpose Maintenance Procedures
Error Terms
Error Term Data
The error term descriptions in this section include the following information:
• a table of the error terms
• description and significance of each error term
• measurements affected by each error term
• typical cause of failure for each error term
The same description applies to both the forward (F) and reverse (R) terms.
IMPORTANT
Data are listed here as a convenience only. Detailed instrument specifications
are listed in the embedded help in the network analyzer.
If Error Terms Seem Worse than Expected
To verify that the system still conforms to specifications, perform a system verification.
Refer to
Chapter 3, "Tests and
Figure 8-5
Error Term Data
Parameter
10 MHz
(All options,
to
all ports)
50 MHz
Directivity
16 dBm
Source
11 dBm
Match
Load
11 dBm
Match
10 MHz
to
50 MHz
b
-84 dBm
Crosstalk
a. The data in this table are uncorrected system performance. The values apply over an
environmental temperature range of 25 °C ±5 °C, with less than 1 °C deviation from the
calibration temperature.
b. All crosstalk values are typical. Measurement conditions: normalized to a thru, measured
with two shorts, 10 Hz IF bandwidth, averaging factor of 8, alternate mode, source power
set to the lesser of the maximum power out or the maximum receiver power.
8-10
Adjustments".
a
Frequency Range
50 MHz
3.2 GHz
to
to
3.2 GHz
10 GHz
24 dBm
23 dBm
18 dBm
14 dBm
17 dBm
13 dBm
50 MHz
100 MHz
to
to
100 MHz
500 MHz
-90 dBm
-110 dBm
PNA Series Microwave Network Analyzers
10 GHz
16 GHz
to
to
16 GHz
24 GHz
16 dBm
16 dBm
12 dBm
10 dBm
10 dBm
9 dBm
500 MHz
3.2 GHz
to
to
3.2 GHz
20 GHz
-120 dBm
-122 dBm
Service Guide N5242-90001
N5241A/42A
24 GHz
to
26.5 GHz
16 dBm
8 dBm
8 dBm
20 GHz
to
26.5 GHz
-117 dBm
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Troubleshooting
