TITLE

Electronic circuit for sustaining the oscillations of a vibrating element: Application to density measurements

AUTHOR(S)
Herrero-Alvarez, J.; Gonzalez-Gaitano, G.; Tardajos, G.
PUB. DATE
October 1997
SOURCE
Review of Scientific Instruments;Oct97, Vol. 68 Issue 10, p3835
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Describes the design of an electronic circuit for sustaining the oscillations of a vibrating element. Application to density measurements of fluids with a vibrating tube densimeter; Electronic and mechanical parts of the apparatus; Precision testing.
ACCESSION #
627511

 

Related Articles

  • Real-time density computer for two-color interferometers. Innocente, P.; Martini, S.; Corradi, G.; Fadin, G.; Fasoli, C.; Garonzi, G. // Review of Scientific Instruments;Oct90, Vol. 61 Issue 10, p2876 

    An electronic circuit has been developed which performs real-time density computation on the quadrature phase signals of the two-color CO[sub 2] interferometer for the RFX experiment. Cartesian to polar coordinate conversion is obtained by a look-up table, and a "phase fine tuning' table allows...

  • The miracle circuit. Thompson, Brad // Test & Measurement World;Oct2002, Vol. 22 Issue 11, p9 

    Presents tips in building a superregenerative circuit. Use of an active oscillating device at the frequency of interest; Application of a periodic voltage or current; Function of the internal noise within the oscillator.

  • Determination of fundamental frequency of a physical oscillator by the period fitting method. Zhong-Kun Hu; Jun Luo // Review of Scientific Instruments;Nov99, Vol. 70 Issue 11, p4412 

    Proposes a period fitting method, a variant of the classical least-square fitting method, to determine the fundamental frequency of a physical oscillator. Use of the root mean square deviation criterion; Optimization of the period fit at the expense of a lesser evaluation of the other...

  • Oscillation characteristics of diode-pumped Tm:YAG and Tm,Ho:YAG microchip lasers. Yokozawa, Takeshi; Nakajima, Hayato; Yamamoto, Takanobu; Hara, Hiroshi // Review of Scientific Instruments;Sep95, Vol. 66 Issue 9, p4453 

    Studies the output power, slope efficiency and oscillation threshold of a diode-pumped Tm:YAG microchip laser. Use of two different resonator configurations for the development of an eye-safe remote sensing laser system; Superiority of the half-symmetric resonator in output power, slope...

  • Monitor Transformer Winding's Temperature Without A Sensor. Vlemincq, Louis // Electronic Design;5/7/2009, Vol. 57 Issue 9, p51 

    The article presents an electronic design of a monitor transformer using a copper winding as a temperature sensor. It states that such a design can make the measurement in-circuit in real time. The resistance can be derive by injecting a small current into the monitored winding and measuring the...

  • High-speed op amp enables IR-proximity sensing. Mehta, Arpit // EDN;8/6/2009, Vol. 54 Issue 15, p43 

    The article describes an infrared (IR)-proximity sensor which features simple transmitter and receiver sections. It explains how a high-speed operational amplifier helps an IR-proximity sensor detects the presence of an object and its distance from a reference. The applications of IR-proximity...

  • Signal conditioning for high-impedance sensors. Brisebois, Glen // EDN Europe;Apr2006, Vol. 51 Issue 4, p52 

    The article focuses on challenges in maintaining accuracy in circuits that process signals from high-impedance sensors. It is important to identify when to use special design techniques and then choose devices that buffer and protect the sensors and circuits without affecting the accuracy....

  • Design an RTD interlace with a spreadsheet. Villanucci, Robert S. // EDN Europe;Mar2008, Vol. 53 Issue 3, p62 

    The article offers information on the characteristics of resistance-temperature detectors (RTD). Accordingly, RTDs are the preferred sensor choices for designs requiring precision. These sensors also exhibit a slight but progressively more nonlinear temperature-versus-resistance characteristic...

  • Modeling Mixers Gyroscopic Type. Yudin, Konstantin Anatolyevich; Kuschev, Leonid Anatolyevich; Savkin, Ivan Nikolayevich; Negrun, Alexander Nikolayevich // Middle East Journal of Scientific Research;11/15/2013, Vol. 17 Issue 8, p1125 

    Considered are the peculiarities of the development of mixers gyroscopic type. There is represents the desirability of such mixers. Completed a review of Russian and foreign writers on the subject. Shows two copyright kinematic scheme of mixers gyroscopic type, describe the impact on the mixing...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics