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An Analog/Digital Integrated Circuit Interface for Automotive Sensors
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English
Abstract
A unique and very versatile circuit is described which converts changes in physical parameters such as capacitance, resistance, and inductance into a proportional pulse width modulated digital signal. This circuit, in combination with sensors which utilize these physical parameters in their operation, can be used to provide digital inputs to microprocessors and other digital control and diagnostic systems. Advantages of this particular circuit are its potential for high reliability, accuracy, and low cost. Several applications are described and an integrated circuit version of the circuit is discussed.
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Citation
Rabe, P., Greenstein, E., and Hile, J., "An Analog/Digital Integrated Circuit Interface for Automotive Sensors," SAE Technical Paper 760069, 1976, https://doi.org/10.4271/760069.Also In
References
- Jones Trevor O. “The Challenge of Automotive Electronics,” Automotive Engineering 82 10 November 1974 29
- COS/MOS Integrated Circuits Manual RCA Solid State Division, Technical Series CMS-271 June 1972