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2

Experiment

2.1

DC Amplification

Figure 7: Circuit diagram for the first experiment.
A circuit was constructed according to the diagram in Figure 7. By inspection we see
that this is identical to the basic inverting amplifier circuit we described before. Thus we
R2
= 2.021. Applying a DC voltage at Vin and varying
expect to see a voltage gain of Av = R
1
it from -5V to +5V we observe across V0 voltages as found in Table 1.
We then expanded our data to include voltages from -10V to +10V. This continued data is
found in Table 2.
Inverting Amplifier
Vin (Volts) V0 (Volts)
-5
-9.896
-4
-7.916
-3
-5.939
-2
-3.958
-1
-1.974
0
0.000
1
1.969
2
3.950
3
5.930
4
7.911
5
9.893
Table 1: Voltage across the output terminal vs. input voltage for the basic inverting
amplifier.

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