Measurements 14
Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide 193
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 198
for other percentage threshold and absolute value threshold settings.
• “Period" on page 193
• “Frequency" on page 194
• “+ Width" on page 195
• “– Width" on page 195
• “Duty Cycle" on page 195
• “Rise Time" on page 195
• “Fall Time" on page 195
• “Delay" on page 196
• “Phase" on page 197
Period
Period is the time period of the complete waveform cycle. The time is measured
between the middle threshold points of two consecutive, like-polarity edges. A
middle threshold crossing must also travel through the lower and upper threshold
levels which eliminates runt pulses. The X cursors show what portion of the
waveform is being measured. The Y cursor shows the middle threshold point.
Rise Time
+ Width
Fall Time
- Width
Period
Middle
Upper
Thresholds
Lower