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Lvdt Signal Conditioner
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CHAPTER 3: SENSORS - Mixed-signal and digital signal ...
www.analog.comThe 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