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Performance Tests ESG Family Signal Generators

21. Measuring Phase Noise and Residual FM (ESG-AP and ESG-DP Series Signal Generators)

4-38 Calibration Guide

Using an HP/Agilent 8644B

Figure 4-34 shows the phase noise results of the DUT using the 8644B as the

down-converting source. Note that while it has excellent phase noise above 10 kHz, the

results below 10 kHz rapidly degrade. The 60 Hz related noise spikes are typically due to

the DCFM method of phase locking the DUT to the E5500.

Figure 4-34

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Agilent Technologies 1
ESG Family Signal Generators 1
Contents 3
1Equipment Required 7
Required Equipment 8
Low Noise Ampliﬁers for 10
2Operation Veriﬁcation 11
Veriﬁcation Procedures 12
2. Check for Error Messages 13
4. Power Level Accuracy Check 14
Conﬁgure the Signal Generator 15
Conﬁgure the Power Meter 15
5. FM Accuracy Check 17
6. AM Accuracy Check 18
Measure the Deviations 19
Test Tables 20
Calibration Guide 2-11 21
Calibration Guide 22
Calibration Guide 2-13 23
Calibration Guide 2-15 25
Calibration Guide 2-17 27
Calibration Guide 2-19 29
2-20 Calibration Guide 30
3Service Software 31
Calibration Guide 3-3 33
3-4 Calibration Guide 34
Next button 34
Uninstalling the Software 35
Software Conﬁguration 36
The User Conﬁguration 37
Identifying the DUT 37
Adding Test Equipment 38
Calibration Guide 3-9 39
Removing Test Equipment 40
Editing Test Equipment 41
Adding Device Drivers 42
Calibration Guide 3-13 43
Removing Device Drivers 44
Adding Test Drivers 44
Calibration Guide 3-15 45
3-16 Calibration Guide 46
Removing Test Drivers 47
Adding Datapacks 47
3-18 Calibration Guide 48
Removing Datapacks 49
Starting the Software 50
Equipment 52
Calibration Guide 3-23 53
3-24 Calibration Guide 54
Calibration Guide 3-25 55
3-26 Calibration Guide 56
Exiting the Software 57
3-28 Calibration Guide 58
4Performance Tests 59
4-2 Calibration Guide 60
Support Software 61
4-4 Calibration Guide 62
4-6 Calibration Guide 64
Figure 4-4 The Save As Window 64
4-8 Calibration Guide 66
Equipment Setups 68
Calibration Guide 4-11 69
4. FM Frequency Response 71
5. AM Frequency Response 72
Calibration Guide 4-19 77
9. Harmonic, Subharmonic, and 78
Nonharmonic Spurious Signals 78
10. Power Level Accuracy 79
11. Timebase Aging Rate 82
4-26 Calibration Guide 84
(Option UN8 only) 87
(Option UNA only) 93
Measuring Phase Noise 95
Using an HP/Agilent 8644B 96
Calibration Guide 4-39 97
4-40 Calibration Guide 98
Measuring Residual FM 99
(Option UND only) 100
Calibration Guide 4-43 101
Recommended Equipment 102
Equipment Setup 102
Performance Test Records 104
Calibration Guide 4-47 105
Frequency (GHz) 106
5Adjustments 107
Adjustment Relationships 108
• FM Path Offset Adjustment 109
Required Test Equipment 110
Procedure 110
Analog Bus ADC Calibration 111
Description 112
Internal Source Calibration 113
Timebase DAC Calibration 118
FM Path Offset Calibration 120
Modulation Source 124
(ESG-A and ESG-D only) 126
(ESG-AP and ESG-DP only) 129
DCFM Calibration 130
Prelevel Calibration, Digital 135
Gain Adjust Calibration 137
Low Noise Floor Gain Adjust 138
VBLO Mixer Bias Calibration 140
Power Level Accuracy 141
≥ 10 MHz and ≤ 2 GHz) Setup 143
> 2 GHz) Setup 143
Level Meter Calibration 144
AM Gain Calibration 146
5-44 Calibration Guide 150
6Maintenance and Service 151
Cleaning the Cabinet 152
Cleaning the Display 152
Sales and Service Ofﬁces 153
6-4 Calibration Guide 154
7Safety and Regulatory 155
Safety Notes 156
Instrument Markings 157
General Safety Considerations 158
Statement of Compliance 159
Electrostatic Discharge 160
Warranty 161
Assistance 162
Certiﬁcation 163
7-10 Calibration Guide 164
Index I-1 165
I-2 Index 166
Index I-3 167
I-4 Index 168
Index I-5 169
I-6 Index 170

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Agilent Technologies ESG Especificaciones Pagina 96

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