Objectives:
1. Sketch the input and output waveforms of 1kHz sine wave,
2. Triangle wave,
3. Square wave inputs.
4. Explain what it is there for (10M ohm R)
5. Determine what would happen if it is removed.
Diagram of Circuit
4. A 10 M ohm resistor is used to dampen any feedback voltage from the voltage source.
5. If this resistor was to be removed the sine waves would no longer look like a sine waves! the peaks would be off the charts which is not good.
1. Sine wave
Note: if a small DC component was present in the input waveform
3. kind of a square wave.
2. Triangle waves?
Conclusion:
Integrating op amps create substantial gains and are much easier to work with than differentiating op amps because the op amp's tendencies to saturate.
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