SIGLENT SDS1000X-E Series User Manual page 87

SDS1000X-E&SDS1000X-U User Manual
If the principal axis of the ellipse is within quadrant I and III, the phase deviation
angle obtained should be within quadrant I and IV, namely within (0 to π/2) or
(3π/2 to 2π). If the principal axis of the ellipse is within quadrant II and IV, the
phase deviation angle obtained should be within quadrant II and III, namely within
(π/2 to π) or (π to 3π/2).
X-Y function can be used to measure the phase deviation occurred when the signal
under test passes through a circuit network. Connect the oscilloscope to the circuit
to monitor the input and output signals of the circuit.
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