Abstract
The object of this Chapter is acquaintance with the construction of modern analog electronic signal conditioners, that is, devices placed between a signal source and a readout instrument to change the signal. Examples of readout instruments are various sensors, such as mechanic pressure, displacement, and temperature sensors. In fact, in all previous chapters we already considered devices intended for signal conditioning. In this Chapter, these devices are considered not separately, but in the interaction with each other, and the problems of their mutual influence and optimal interfacing are investigated.
For in-depth understanding of the material presented, the readers should first study the previous chapters of this book and be familiar with, in particular, linear devices, detectors, and signal generators.
Upon learning this Chapter, the readers will understand the operation of signal conditioners, be able to properly apply them, and determine the parameters and characteristics for application with a particular sensor.
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Notes
- 1.
In the general case, bridge elements may be not only resistors, but also capacitors, inductances, or their combinations.
- 2.
Bridge circuits with three elements are rarely used.
- 3.
Here it is worth referring to the sensor supply voltage as the sensor excitation voltage.
- 4.
Universal LVDT signal conditioner AD698, http://www.analog.com
- 5.
This circuit employs the version of LVDT connection other than that recommended in “Universal LVDT signal conditioner AD698”, http://www.analog.com
References
Karandeev, K.B.: Bridge Measuring Methods. Kiev, Gostekhizdat (1953) (in Russian)
Kester W.: Practical design techniques for signal conditioning, Analog Devices (1999) http://www.analog.com
Universal LVDT signal conditioner AD698. http://www.analog.com/static/imported-files/data_sheets/AD698.pdf
Horovitz, P., Hill, W.: The Art of Electronics. Cambridge University Press, New York (1998)
Tietze, U., Schenk, Ch: Halbleiter-Schaltungstechnik. Springer, Berlin/Heidelberg/New York (1980)
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© 2012 Springer Science+Business Media B.V.
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Rybin, Y.K. (2012). Signal Conditioners. In: Electronic Devices for Analog Signal Processing. Springer Series in Advanced Microelectronics, vol 33. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-2205-7_7
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DOI: https://doi.org/10.1007/978-94-007-2205-7_7
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