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Figure 2-26
Operating Your Oscilloscope
To use the XY display mode
To use the XY display mode
The XY display mode converts the oscilloscope from a volts versus time
display to a volts versus volts display. You can use various transducers so the
display could show strain versus displacement, flow versus pressure, volts
versus current, or voltage versus frequency. This exercise shows a common
use of the XY display mode by measuring the phase shift between two signals
of the same frequency with the Lissajous method.
Connect a signal to channel 1, and a signal of the same frequency but
out of phase to channel 2.
Press
, press
Autoscale
softkey.
Center the signal on the display with the Position knobs, and use the
Volts/Div knobs and the vertical
for convenient viewing.
A
C
sin θ =
or
B
D
2-40
, then press the
Main/Delayed
softkeys to expand the signal
Vernier
XY
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