Analog to digital conversion using an integrater and a sample and hold circuit
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United States of America Patent
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Dec 15, 1992
Grant Date -
N/A
app pub date -
Jun 19, 1989
filing date -
Jun 19, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An analog to digital signal converter includes an integrator and a sample and hold circuit. Precisely repeatable timing signals for both the integrator and sample and hold circuit are provided by a microprocessor. The device provides low pass filtering without the phase lag normally associated with linear filters. The device allows one set of data to be acquired while the previous set of data is being digitized. The device is especially applicable to analysis of data generated by a spectrophotometer.
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