Transcription of CHAPTER 3: SENSORS - Mixed-signal and digital signal ...
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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.
The industry-standard AD598 LVDT signal conditioner shown in Figure 3.4 (simplified form) performs all required LVDT signal processing. The on-chip excitation frequency oscillator can be set from 20 Hz to 20 kHz with a single external capacitor. Two absolute value circuits followed by two filters are used to detect the amplitude of the A and B
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