CH217 monolithic gas gas gas detection alarm integrated circuits the circuit diagram of gas detection alarm

  
CH217 monolithic gas, gas gas detection alarm integrated circuits, and gas detection alarm circuit diagram R1 is the gas sensing probe, the resistance increases just gas concen
CH217 monolithic gas gas gas detection alarm integrated circuits the circuit diagram of gas detection alarm - schematic

tration decreases linearly, RP3 used to adjust the output level of the amplifier, R6, R7 extract and two kinds of danger forecast reference signal voltage.




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