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Design, Automation and Test in Europe (DATE'05) Volume 3
LC Oscillator Driver for Safety Critical Applications
Munich, Germany
March 07-March 11
ISBN: 0-7695-2288-2
Pavel Horsky, AMI Semiconductor Czech, Czech Republic
A CMOS harmonic signal LC oscillator driver for automotive applications working in a harsh environment with high safety critical requirements is described. The driver can be used with a wide range of external components parameters (LC resonance network of a sensor). Quality factor of the external LC network can vary two decades. Amplitude regulation of the driver is digitally controlled and the DAC is constructed as exponential with piece-wise-linear (PWL) approximation. Low current consumption for high quality resonance networks is achieved. Realized oscillator is robust, used in safety critical application and has low EMC emissions.
Citation:
Pavel Horsky, "LC Oscillator Driver for Safety Critical Applications," date, vol. 3, pp.159-164, Design, Automation and Test in Europe (DATE'05) Volume 3, 2005
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