Integrated circuitry for controlling analysis of a fluid
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United States of America Patent
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Jan 2, 2007
Issued Date -
N/A
app pub date -
May 4, 2005
filing date -
Mar 21, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Circuitry for processing signals used to determine characteristics of a fluid under-test is provided. The circuitry includes a compensation device and integrated circuitry for interfacing with a tuning fork that is capable of being in contact with the fluid under-test and the compensation device. The compensation device is configured to differentially process a signal output of the tuning fork, and the differential processing of the compensation device is actively controlled by the integrated circuitry so as to produce a processed signal. The processed signal defines the characteristics of the fluid under-test, and the compensation device includes capacitive matching circuitry. Also provided are systems that incorporate the circuitry.
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