The e-control circuit of the heat release electric sensor

Published:2011/7/14 6:31:00 Author:Borg | Keyword: e-control circuit, electric sensor | From:SeekIC

This is the e-control circuit of the heat release electric sensor. In the circuit, A1 is the amplifier circuit whose gain is 60dB, which amplifies the weak signal of the heat release sensor; A2 is the active filter whose block frequency is about 10Hz, which is used to filter the noise and wave; A3 is the comparator circuit, whose comparing value is set by RP1, A3 outputs the constant LEV signal; A4 is the single stable multiple resonance oscillator, which is used to make sure the circuit only reacts tothe signal of one sensor within a certain time when there are more than one heat release sensors.



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