228 Agilent InfiniiVision 3000 X-Series Oscilloscopes User's Guide
14 Measurements
• x
i
= the ith measurement result.
• x = the mean.
Ratio
The Ratio measurement displays the ratio of the AC RMS voltages of two
sources, expressed in dB. Press the Settings softkey to select the source
channels for the measurement.
Time Measurements
The following figure shows time measurement points.
The default lower, middle, and upper measurement thresholds are 10%,
50%, and 90% between Top and Base values. See "Measurement
Thresholds" on page 237 for other percentage threshold and absolute value
threshold settings.
• "Period" on page 229
• "Frequency" on page 229
• "Counter" on page 230
• "+ Width" on page 231
• "– Width" on page 231
• "Burst Width" on page 231
• "Duty Cycle" on page 231
• "Rise Time" on page 232
• "Fall Time" on page 232
• "Delay" on page 232
Rise Time
+ Width
Fall Time
- Width
Period
Middle
Upper
Thresholds
Lower