BK Precision 2540B, User Manual, Page: 204 / 250

Quick Start Guide
204
Measure the phase difference between two signals of the
same frequency under X-Y display mode.

Connect a sine wave signal to CH1 and a sine wave
signal of the same frequency but out of phase to CH2.

Press horizontal MENU key to display the Horizontal
menu.

Press X-Y softkey to select X-Y display mode

Center the signal on the display with the vertical control
knob of each channel.

Use the vertical scale control knob of each channel to
expand the signal for convenient view.

Press the CURSOR key to display the CURSOR menu.

Press Mode softkey to select the Manual mode.

Press Source softkey to select CH2 .

Press Type softkey to select the Voltage type.

Press Y1--/ Y2— softkey or press the entry knob to
select Y1 cursor.

Rotate the entry knob to move the Y1 cursor to the
top of the signal.

Press Y1--/ Y2— softkey or press the entry knob to
select Y2 cursor.

Rotate the entry knob to move the Y2 cursor to the
bottom of the signal.

ΔY displayed in the softkey area is the voltage difference
D (or 2B) between Y1 and Y2.