PASCO Specialty & Mfg. AC/DC Electronics Laboratory EM-8656 User Manual
90
AC/DC Electronics Laboratory
012-05892A
®
➄
Click the “OFF” button (
) in the Signal Generator window.
➅
Turn off the power switch on the back of the power amplifier. Turn off the DC power supply.
ANALYZING THE DATA
➀
Click on the Graph to make it active. Select “Save As…” from the File menu to save your data.
➁
Click the “Autoscale” button (
) to rescale the Graph to fit the data.
•
Optional: If a printer is available, select “Print Active Display” from the File menu.
➂
Click the “Smart Cursor” button. The cursor changes to a cross-hair when you move it into the
display area.
display area.
•
The X-coordinate of the cursor/cross-hair is displayed under the horizontal axis. The Y-coordinate
of the cursor/cross-hair is displayed next to the vertical axis.
of the cursor/cross-hair is displayed next to the vertical axis.
➃
Put the cursor at the point on the plot of Vcollector where the voltage first begins to increase
above zero. Hold down the Shift key.
above zero. Hold down the Shift key.
Smart Cursor
➄
While holding the Shift key, move the cursor/cross-hair vertically along the dashed line until you
reach the point on the plot of Vbase that corresponds to the same point on the plot of Vcollector.
reach the point on the plot of Vbase that corresponds to the same point on the plot of Vcollector.