LC Oscillator Driver for Safety Critical Applications

Details LC Oscillator Driver for Safety Critical Applications LC Oscillator Driver for Safety Critical Applications

2007-10-25

arxiv.org/abs/0710.4831v1

Dans Design, Automation and Test in Europe | Designers'Forum - DATE'05, Munich : Allemagne (2005)

Computer Science

Other Computer Science

Submitted on behalf of EDAA (http://www.edaa.com/)

Scientific paper

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.

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