11-3-11 Elementary Operational Amplifiers

Table 2 the values measured with the real

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Table 2. The values measured with the real oscilloscope. Input Output
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Wave Type Sine wave Sine wave () 2.00 10.00 Frequency () 1000 1000 With these results, we can measure the voltage gain and the phase shift: III. Inverting Summer For this procedure, we were given a circuit (Fig. 8) to build. We then measured the input and output functions with the oscilloscope. The properties of the input voltage were a sine wave with a 1V peak-to-peak amplitude and 1kHz frequency. Figure 8. The inverting summer circuit
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Figure 9. The measurements from the simulated oscilloscope Figure 10. The measurements from the real oscilloscope Table 3. The values measured with the real oscilloscope. Input Output Wave Type Sine wave Square wave () 1.04 2.80 Frequency () 1008 1007 With these results, we can measure the voltage gain and the phase shift: Our measured voltage gain has an error of 10.33%, which is mostly due to the clipping seen in Figure 10.
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IV. Non-Inverting Amplifier For this procedure, we were given a circuit (Fig. 11) to build. We then measured the input and output functions with the oscilloscope. The properties of the input voltage were a sine wave with a 2V peak-to-peak amplitude and 1kHz frequency. Figure 11. The non-inverting amplifier circuit Figure 12. The measurements from the simulated oscilloscope
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Table 4. The values measured with the real oscilloscope. Input Output Wave Type Sine wave Sine Wave () 2.01 12.00 Frequency () 1001 1003 With these results, we can measure the voltage gain and the phase shift: Our measured voltage gain has an error of 0.5%, much better than last time, as we learned how to eliminate clipping using the probe measurements.
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