Agilent Technologies InfiniiVision 3000 - Phase

230 Agilent InfiniiVision 3000 X-Series Oscilloscopes User's Guide
14 Measurements
5 Press the Back/Up key to return to the Measurement Menu.
6 Press the Add Measurement softkey to make the measurement.
The example below shows a delay measurement between the rising edge of
channel 1 and the rising edge of channel 2.
Phase
Phase is the calculated phase shift from source 1 to source 2, expressed in
degrees. Negative phase shift values indicate that the rising edge of source
1 occurred after the rising edge of source 2.
Back
Phase =
Delay
Source 1 Period
× 360
Source 2
Source 1
Delay
Period