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Gas DetectorGas Detector Block Diagram

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Gas Detector


  1. NJU9101Low Power Analog Front End

Excitation Circuit

  1. NJU775521.7MHz, 50µA/ch, Excellent EMI Immunity, Rail-to-Rail Input/Output, Operational Amplifier


  1. NJW1933600mA,500kHz,Step-Down Switching Regulator in SOT23
  2. NJW4152ASwitching Regulator IC for Buck Converter with 40V/1A or 40V/600mA MOSFET
  3. NJW4152BSwitching Regulator IC for Buck Converter with 40V/1A or 40V/600mA MOSFET
  4. NJW4153Switching Regulator IC for Buck Converter Current Mode Control with 40V/1A MOSFET
  5. NJW4170Current Mode Control High Speed Frequency Internal 1A MOSFET Switching Regulator IC for Buck Converter


  1. NJW410445V Io=200mA Ultra low Quiescent current LDO
  2. NJW4182High Voltage Ultra low current consumption Io=100mA LDO
  3. NJM12877(Io(min.)=200mA) LDO with Reverse Current Protection / Soft Start / Discharge Function

Speaker Amplifier/Buzzer

  1. NJU7089High-Power & Low-Voltage Audio Power Amplifier
  2. NJU8759Analog Signal Input Monaural Filter Less 3.0W Class-D Amplifier
  3. NJW1280High capacitance Piezo-sounder Driver with Multi-mode charge pump

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