Acquire the Signal
Acquisition Concepts
Before a signal can be displayed, it must pass through the input channel where it is scaled and digitized. Each channel has a
dedicated input ampli
fi
er and digitizer. Each channel produces a stream of digital data from which the instrument extracts waveform
records.
Sampling Process
Acquisition is the process of sampling an
analog signal, converting it into digital data,
and assembling it into a waveform record,
which is then stored in acquisition memory.
Input signal
Sampled points
Digital values
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Summary of Contents for 4000 Series
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