Laboratory Manual - King Fahd University of Petroleum and Minerals

frequency at, say 1kHz, then the output will be as shown in Figure 4. Notice the
effect of slew rate. The slew rate can be easily measured from the output Slew
Rate = V out /T SR . Record your results in Table II.
7. Now apply a sine wave input of 20V p-p. Keep increasing the frequency of the
input sine wave while monitoring the output until it starts to show distortion as
shown in Figure 5. Determine this frequency. This is f M . Verify the relationship
between f M and the slew rate. Record your results in Table II.
V in
2
3
7
-
741
+
+15V
4
-15V
6
V out
V in
V out
v o
v o
T SR
Figure 4: Set up to measure slow rate
Figure 5: Effect of slew rate on sinusoidal signals
Part III:
8. Repeat steps 1 to 7 using another different op amp. Record your results in Table I
and Table II.
9. Comparing the results of part I and II with their counterparts obtained from part
III comment on your results.
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