Sketch the input and output waveforms for 1kHz sine wave, triangle wave, and square wave inputs.
Explain the purpose of the 10 MΩ resistor's usage in the circuit
Explain the effects of removing the 10 MΩ from the circuit.
The circuit schematic below was constructed by Professor Mason.
It contains a 100k Ω resistor, a 10MΩ resistor, a 0.01µF capacitor, and an Op-Amp
The images of the wave forms are displayed on an Oscilloscope.
Red waves represent the Input waves.
Yellow waves represent the Output waves.
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| Circuit Schematic (Constructed by Professor Mason) |
Red waves represent the Input waves.
Yellow waves represent the Output waves.
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| Output: Sine Wave |
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| Output: Square Wave |
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| Output: Cosine Wave |
In the circuit, the 10MΩ resistor is used to counter any feedback from the DC voltage. This means that if the resistor is not present within the circuit, the output waves would not be "nice" wave forms but a bunch of irregular looking waves that may contain a lot of noise and spike at random points.
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