Keysight 53210A User’s Guide 19
List of Figures
Figure 1-1 The 53210A Universal Frequency Counter/Timer.     . . .24
Figure 1-2 The 53210A Display.    . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Figure 1-3 53210A User’s Guide Organization.    . . . . . . . . . . . . . . .47
Figure 2-1 The 53210A Web-Enabled Interface  
‘Welcome Page’.     . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Figure 2-2 The Web UI SCPI Command Interface.     . . . . . . . . . . . .54
Figure 2-3 Starting Keysight Connection Expert.     . . . . . . . . . . . . .60
Figure 2-4 Keysight Connection Expert Interface Window.      . . . . .61
Figure 2-5 Adding a Sockets Connection.    . . . . . . . . . . . . . . . . . . .62
Figure 2-6 Setting a VISA Alias for the USB Address String.     . . . .66
Figure 2-7 Selecting the GPIB Address.     . . . . . . . . . . . . . . . . . . . .68
Figure 2-8 Starting Interactive IO for a Selected Interface.     . . . . .70
Figure 2-9 Selecting the Update File Path.     . . . . . . . . . . . . . . . . . .75
Figure 2-10 Specifying the Address or Host Name.     . . . . . . . . . . . .76
Figure 3-1 Standard Frequency Measurement.      . . . . . . . . . . . . . .94
Figure 3-2 Ratio of Two Input Signal Measurements.    . . . . . . . . . .96
Figure 3-3 Standard Period Measurement.    . . . . . . . . . . . . . . . . . .99
Figure 4-1 53210A Input Signal Conditioning.     . . . . . . . . . . . . . .103
Figure 4-2 Using AC Coupling to Reach Trigger Points.    . . . . . . .110
Figure 4-3 Measureable Frequency Range with Bandwidth Filter 
Enabled.    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111
Figure 4-4 Input Signal Threshold Level and Sensitivity.     . . . . . .112
Figure 4-5 Input Coupling and Relative Threshold Levels.     . . . . .116
Figure 5-1 Triggering and Gating Time Line.      . . . . . . . . . . . . . . .125
Figure 5-2 Trigger and Gate Cycle - Triggering.    . . . . . . . . . . . . .127
Figure 5-3 Trigger and Gate Cycle - Gating.    . . . . . . . . . . . . . . . .128
Figure 5-4 The Counter ‘Wait-for-trigger’ State.    . . . . . . . . . . . .134
Figure 5-5 Gate Source Sequence.     . . . . . . . . . . . . . . . . . . . . . . .137
Figure 6-1 Enabling the Math Operations.     . . . . . . . . . . . . . . . . .147
Figure 6-2 53210A Display with Scaling Functions Enabled.     . . .150
Figure 6-3 Counter Display with Limit Testing and Statistics 
Enabled.    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157
Figure 6-4 53210A Limit Checking.     . . . . . . . . . . . . . . . . . . . . . . .162
Figure 6-5 53210A Histogram Structure.     . . . . . . . . . . . . . . . . . .165