Transcription of CHAPTER 3: SENSORS - Analog Devices
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CHAPTER 3: SENSORS - Analog Devices
CHAPTER 3: SENSORS . SECTION : POSITIONAL SENSORS LINEAR VARIABLE DIFFERENTIAL TRANSFORMERS (LVDT) HALL EFFECT MAGNETIC SENSORS RESOLVERS AND SYNCHROS INDUCTOSYNS ACCELEROMETERS iMEMS ANGULAR-RATE-SENSING GYROSCOPE GYROSCOPE DESCRIPTION CORIOLIS ACCELEROMETERS MOTION IN 2 DIMENSIONS CAPACITIVE SENSINGS IMMUNITY TO SHOCK AND VIBRATION REFERENCES SECTION : TEMPERATURE SENSORS INTRODUCTION SEMICONDUCTOR TEMPERATURE SENSORS CURRENT OUT TEMPERATURE SENSORS CURRENT AND VOLTAGE OUTPUT TEMPERATURE SENSORS THERMOCOUPLE PRINCIPLES AND COLD-JUNCTION. COMPENSATION AUTO-ZERO AMPLIFIER FOR THERMOCOUPLE. MEASUREMENTS RESISTANCE TEMPERATURE DETECTORS (RTDs) THERMISTORS DIGITAL OUTPUT TEMPERATURE SENSORS THERMOSTATIC SWITCHES AND SET-POINT CONTROLLERS MICROPROCESSOR TEMPERATURE MONITORING REFERENCES SECTION : CHARGE COUPLED Devices (CCDs) REFERENCES SECTION : BRIDGE CIRCUITS INTRODUCTION AMPLIFING AND LINEARIZING BRIDGE OUTPUTS 3,75.
If a current flows in a conductor (or semiconductor) and there is a magnetic field present which is perpendicular to the current flow, then the combination of current and magnetic field will generate a voltage perpendicular to both (see Figure 3.7). This phenomenon is called the Hall Effect, was discovered by E. H. Hall in 1879. The voltage, VH ...
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