Question

An accelerometer with a charge sensitivity of 83 pC/g and a capacitance of 1000pF is connected to a voltage follower with an input connector capacitance of 15pF (in parallel with the cable capacitance), a 10,000pF blocking capacitor and a 100MΩ resistance. A 3m long cable with a capacitance of 312pF connects the accelerometer and the voltage follower. Determine: The schematic of the instrument 1. 2. The instrument's voltage sensitivity in mV/g 3. The time constant of the instrument The -3 dB-low cutoff frequency in Hz. 4.

Answer 1

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