User`s guide

6 Agilent E5505A User’s Guide
Figure 54. Confirm measurement dialog box 87
Figure 55. Connect diagram dialog box 88
Table 9. Test set signal input limits and characteristics 89
Figure 56. Oscilloscope display of beatnote from test set monitor port 91
Making the measurement 92
Figure 57. Suppression selections 92
Figure 58. Typical phase noise curve for an 8644B 10 MHz measurement. 93
Table 10. Parameter data for the 8644B 10 MHz measurement 94
Viewing Markers 96
Figure 59. Navigate to markers 96
Figure 60. Adding and deleting markers 96
Omitting Spurs 97
Figure 61. Navigate to display preferences 97
Figure 62. Uncheck spurs 97
Figure 63. Graph displayed without spurs 98
Displaying the Parameter Summary 99
Figure 64. Navigate to parameter summary 99
Figure 65. Parameter summary 100
Exporting Measurement Results 101
Figure 66. Export results choices 101
Exporting Trace Data 102
Figure 67. Trace data results 102
Exporting spur data 103
Figure 68. Spur data results 103
Exporting X-Y data 104
Figure 69. X-Y data results 104
5 Absolute Measurement Fundamentals
The Phase-Lock-Loop Technique 106
Understanding the Phase-Lock-Loop Technique 106
Figure 70. Simplified block diagram of the phase lock loop configuration 106
The Phase-Lock-Loop Circuit 106
Figure 71. Capture and drift-tracking range with tuning range of VCO 107
Figure 72. Capture and drift-tracking ranges and beatnote frequency 108
What Sets the Measurement Noise Floor? 110
The System Noise Floor 110
Table 11. Amplitude ranges for L and R ports 110
Figure 73. Relationship between the R input level and system noise floor 110
The Noise Level of the Reference Source 111