Question 4 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 100MQ resistance. A 3m long cable with a capacitance of 312pF connects the accelerometer and the voltage follower. Determine: 1. The schematic of the instrument. 2. The instrument's voltage sensitivity in mV/g. 3. The -3 dB-low cutoff frequency in Hz.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter21: Resistive-capacitive Series Circuits
Section: Chapter Questions
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Question 4
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 100MQ resistance. A
3m long cable with a capacitance of 312pF connects the accelerometer and the voltage
follower. Determine:
1. The schematic of the instrument.
2. The instrument's voltage sensitivity in mV/g.
3. The -3 dB-low cutoff frequency in Hz.
Transcribed Image Text:Question 4 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 100MQ resistance. A 3m long cable with a capacitance of 312pF connects the accelerometer and the voltage follower. Determine: 1. The schematic of the instrument. 2. The instrument's voltage sensitivity in mV/g. 3. The -3 dB-low cutoff frequency in Hz.
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