216
Chapter 9
Performance Verification Tests
7. Reference Level Accuracy
Table 9-7
Reference Level Accuracy, Log Mode
a. Use the dBm column values for analyzers with a 50
Ω
input and the dBmV column for analyzers with a 75
Ω
input.
Linear Scale
7. Set the 10 dB step attenuator to 30 dB attenuation.
8. Set the 1 dB step attenuator to 10 dB attenuation.
75
Ω
Input only: Set the 1 dB step attenuator to 0 dB.
9. Set the analyzer controls as follows:
Amplitude
,
−
30 dBm
(50
Ω
Input)
Amplitude
,
+21.76 dBmV
(75
Ω
Input)
Scale Type Log Lin
(Lin)
Amplitude
,
Amptd Units
,
dBm
(50
Ω
Input)
Amplitude
,
Amptd Units
,
dBmV
(75
Ω
Input)
Sweep
,
Sweep Cont Single
(Cont)
Marker
,
Marker All Off
10.Set the 1 dB step attenuator to place the signal peak one to three
divisions below the reference level.
11.On the analyzer, press the following keys:
Single Sweep
10 dB
Attenuator
Nominal
Attenuation
dB
10 dB
Attenuator
Actual
Attenuation
dB
Attenuation
Error dB
Analyzer
Reference
Level
a
dBm
dBmV
Analyzer
Marker
∆
Amplitude
dB
TR Entry
30
0 (Ref)
−
30
+21.76
0 (Ref)
20
−
20
+31.76
1
10
−
10
+41.76
2
40
−
40
+11.76
3
50
−
50
+1.76
4
60
−
60
−
8.24
5
70
−
70
−1
8.24
6
80
−
80
−2
8.24
7
90
−
90
−3
8.24
8
Summary of Contents for ESA-L1500A
Page 12: ...11 1 Preparing for Use and Printing ...
Page 28: ...27 2 Getting Started ...
Page 47: ...46 Chapter2 Getting Started Analyzer Battery Information ...
Page 48: ...47 3 Troubleshooting ...
Page 54: ...Chapter 3 53 Troubleshooting How to Return Your Analyzer for Service Figure 3 1 ...
Page 117: ...116 Chapter4 Front Panel Key Reference Trig ...
Page 118: ...117 5 Menu Maps ...
Page 119: ...118 Chapter5 Menu Maps ...
Page 120: ...Chapter 5 119 Menu Maps ...
Page 121: ...120 Chapter5 Menu Maps ...
Page 122: ...Chapter 5 121 Menu Maps ...
Page 124: ...Chapter 5 123 Menu Maps ...
Page 125: ...124 Chapter5 Menu Maps ...
Page 128: ...Chapter 5 127 Menu Maps ...
Page 129: ...128 Chapter5 Menu Maps ...
Page 130: ...Chapter 5 129 Menu Maps ...
Page 131: ...130 Chapter5 Menu Maps ...
Page 135: ...134 Chapter5 Menu Maps ...
Page 136: ...135 6 Options and Accessories ...
Page 145: ...144 Chapter6 Options and Accessories Accessories ...
Page 146: ...145 7 Specifications ...
Page 179: ...178 Chapter7 Specifications Regulatory Information ...
Page 180: ...179 8 Required Equipment ...
Page 187: ...186 Chapter8 Required Equipment Test Equipment ...
Page 308: ...307 10 Performance Verification Test Record ...