Measurements 13
Agilent InfiniiVision 2000 X-Series Oscilloscopes User's Guide 181
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 186 for other percentage threshold and absolute value
threshold settings.
• "Period" on page 181
• "Frequency" on page 182
• "+ Width" on page 183
• "– Width" on page 183
• "Duty Cycle" on page 183
• "Rise Time" on page 183
• "Fall Time" on page 183
• "Delay" on page 184
• "Phase" on page 185
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
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