3 Using the Scope Functions  
62 Agilent U1602B/U1604B User’s and Service Guide 
Fall Time
The fall time of a signal is the time difference between the crossing of the 
upper threshold and the crossing of the lower threshold for a 
negative- going edge.
Period
Period is the time period of the complete waveform cycle and it used to 
measure the period of a waveform. 
Figure 3-26 Period measurement
Voltage Automatic Measurements
Mean
The mean value of a measurement is the statistical average of the 
measurement.
Mean Cycle 
The mean cycle value of a measurement is the statistical average of the 
measurement within a cycle period.
Amplitude
Amplitude is defined as the difference between the measurement’s Top 
and Base values.
Period
Time
origin
line
50%
54800b24.cdr
To p
Base