
3. POWER HEAD UNCERTAINTY FACTORS
The uncertainty factors, as a function of frequency for the Diode & Thermocouple Heads are listed in Tables
3-1 and 3-2 respectively.
Table 3-1. Diode & Thermocouple Power Head Calibration Factor Uncertainty (1 of 4)
MODEL
PH2000A
PH2001A
PH2002
PH2004A
PH2005
f GHz
Max %
RSS%
Max %
RSS%
Max %
RSS%
Max %
RSS%
Max %
RSS%
0.03
1.9
1.1
1.9
1.1
1.8
1.0
2.0
1.1
2.0
1.1
0.1
1.7
0.9
1.7
1.0
1.8
1.0
0.3
1.6
0.9
2.0
1.1
0.5
1.6
0.9
2.0
1.1
2.1
1.2
1
1.8
1.0
1.7
0.9
2.3
1.4
1.7
1.0
2.2
1.3
1.5
2.4
1.5
2.4
1.4
2
2.1
1.2
1.9
1.1
2.4
1.4
1.9
1.1
2.5
1.5
3
2.4
1.4
2.0
1.1
2.0
1.2
2.3
1.5
4
2.6
1.6
2.1
1.2
2.1
1.2
2.5
1.6
5
2.8
1.7
2.2
1.2
2.4
1.4
3.5
2.3
6
3.1
2.2
2.5
1.5
2.5
1.6
4.0
2.8
7
3.2
2.5
2.5
1.7
2.6
1.9
4.3
3.0
8
3.7
3.1
3.0
2.2
3.1
2.3
4.4
3.2
9
4.9
4.1
5.3
4.6
3.7
2.6
10
5.8
4.8
6.1
5.3
3.5
2.3
11
6.1
5.2
6.4
5.5
4.2
2.9
12
6.3
5.6
6.3
5.7
4.0
2.7
13
6.5
6.3
3.3
2.2
14
6.6
6.0
3.8
2.5
15
7.7
7.2
16
7.1
6.4
17
6.7
6.7
18
6.4
5.7
Rev C
9
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