Versatile detection circuit
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United States of America Patent
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Sep 29, 2015
Grant Date -
Jul 30, 2015
app pub date -
Jan 27, 2015
filing date -
Jan 27, 2014
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Abstract
A versatile detection circuit is optimized for low sensor voltages and contains a microprocessor. The microprocessor contains an integrated analog-to-digital converter with an input pin. The integrated analog-to-digital converter is configured to rely on a reference voltage of no more than 2 volts. The detection circuit also has a transformation circuit for transforming a sensor signal, the transformation circuit being connected to the input pin of the integrated analog-to-digital converter. The transformation circuit contains an impedance converter and with the exception of the impedance converter relies only on passive electric elements.
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