Keysight DSOX3012T, User Manual

Page: 257 / 530

Measurements
15
Keysight InfiniiVision 3000T X-Series Oscilloscopes User's Guide 257
• N = the number of measurements taken.
• 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 270
for other percentage threshold and absolute value threshold settings.
•
“Period" on page 258
• “Frequency" on page 258
• “Counter" on page 259
• “+ Width" on page 260
• “– Width" on page 260
• “Burst Width" on page 260
• “Duty Cycle" on page 260
• “Bit Rate" on page 261
• “Rise Time" on page 261
• “Fall Time" on page 261
Rise Time
+ Width
Fall Time
- Width
Period
Middle
Upper
Thresholds
Lower