Published:2012/10/30 21:24:00 Author:Ecco | Keyword: Gas, gas detection , alarm , monolithic gas, alarm integrated circuit | From:SeekIC
R1 in Figure is agas sensing probe, and its resistance reduces with a linear relationshipto gas concentration increasing, andRP3 is used to adjust the output ofamplifier, R6, R7 are used to draw forecasting and risk baseline signal voltages.
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