SENSOR INTERFACES FOR FUNCTIONAL SAFETY APPLICATIONS

SENSOR INTERFACES FOR FUNCTIONAL SAFETY APPLICATIONS

A sensor interface circuit includes at least two sensor inputs and at least two front-end circuits to obtain sensor signal acquisitions from the at least two sensor inputs; a test circuit configured to test correct functionality of at least part of one of the front end circuits by applying a test in...

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1. Verfasser: VERGAUWEN, Johan
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
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creator VERGAUWEN, Johan
description A sensor interface circuit includes at least two sensor inputs and at least two front-end circuits to obtain sensor signal acquisitions from the at least two sensor inputs; a test circuit configured to test correct functionality of at least part of one of the front end circuits by applying a test input to the front end circuit under test, by reading a test output of the front end circuit, and by comparing the test output with an expected result thus obtaining at least one test result. The test input is applied intermittently between sensor signal acquisitions; a processing device is configured to compare the sensor signal acquisitions from the different sensor inputs and combine the comparison with the at least one test result to evaluate correct functionality of the sensor interface circuit.
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subjects BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
title SENSOR INTERFACES FOR FUNCTIONAL SAFETY APPLICATIONS
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