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Integrated circuitry for controlling analysis of a fluid

Research output: Patent

Published

  • Oleg Kolosov (Inventor)
  • L Matsiev (Inventor)
  • Mikhail Spitkovsky (Inventor)
  • Vladimir Gammer (Inventor)
Publication date22/09/2005
Patent numberUS7158897B2
IPCGO1N 31/00 (2006.01); GO1N 11/00 (2006.01); GO1L 7/00 (2006.01)
Original languageEnglish

Abstract

Circuitry for processing signals used to determining 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.