Chapter 1 33
Overview
Service Equipment You Will Need
1 dB Step Attenuator
10 dB Step Attenuator
Nominal
Attenuation
(dB)
Attenuator Section Maximum
Uncertainty
(dB)
#1
(1 dB)
#2
(2 dB)
#3
(4 dB)
#4
(4 dB)
0 Off Off Off Off 0 (Reference)
1 On Off Off Off < 0.005
2 Off On Off Off < 0.005
3 On On Off Off < 0.005
4 Off Off On Off < 0.005
5 On Off On Off < 0.005
6 Off On On Off < 0.005
7 On On On Off < 0.005
8 Off Off On On < 0.005
9 On Off On On < 0.005
10 OffOnOnOn< 0.010
11 On On On On < 0.010
Nominal
Attenuation
(dB)
Attenuator Section Maximum
Uncertainty
(dB)
#1
(10 dB)
#2
(20 dB)
#3
(40 dB)
#4
(40 dB)
0 Off Off Off Off 0 (Reference)
10 On Off Off Off < 0.010
20 Off On Off Off < 0.015
30 On On Off Off < 0.020
40 Off Off On Off < 0.025
50 On Off On Off < 0.030
60 Off On On Off < 0.035
70 On On On Off < 0.040
80 Off Off On On < 0.046
90 On Off On On < 0.052
100 Off On On On < 0.058
110OnOnOnOn< 0.064