| OBJECTIVES |
- Obtain the transfer characteristic curve of the noninverting comparator.
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- Obtain the input and output waveforms of the window comparator.
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- Obtain the transfer curve of the window comparator.
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- Use the oscilloscope to obtain the input and output waveforms of an
integrator.
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- Determine how a change in the value of the feedback capacitor changes the
output waveform.
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- Determine how a change in the feedback capacitor changes the gain of the
integrator.
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- Use an oscilloscope to obtain the input and output waveforms of a
differentiator,
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- Determine how a change in the value of R changes the gain.
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- Measure the input and output voltages at various frequencies.
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- Calculate the gain from measured values for various frequencies.
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- Plot the frequency response curve on semi-logarithmic paper for the low
pass filter.
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- Determine the half-power (or break) frequency from the graph of the low
pass filter.
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- Compare the break frequency obtained from the graph with the calculated
value.
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- Determine the half-power (or break) frequencies of the band pass filter
from the graph.
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- Determine the centre frequency (cf) from the graph.
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- Determine the bandwidth from the graph.
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- Obtain the output waveform of the regenerative oscilloscope.
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- Use the oscilloscope to display the input-output transfer curve of the
regenerative comparator.
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- Obtain the output waveform of the square wave generator.
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- Use the oscilloscope to obtain the frequency of the square wave generator.
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- Use the oscilloscope to determine the correct output voltage waveforms of
each stage.
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- Locate faulty stages by comparing the actual output waveforms with correct
output waveforms.
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