1) A piezoelectric accelerometer consists of a 0.1 gm mass resting on a lmm x Imm x 0.2mm slab of PZT. (When the accelerometer is shaken, the force is applied along the 0.2mm dimension, which is the z axis of this crystal). The electrodes are on the Imm x Imm sides of the piezoelectric. a) What is the sensitivity of this accelerometer? b) What is the mechanical resonant frequency of this sensor? c) Assume this piezoelectric crystal has a leakage resistance of 100 MQ. What is the low-frequency cut-off of this accelerometer?
1) A piezoelectric accelerometer consists of a 0.1 gm mass resting on a lmm x Imm x 0.2mm slab of PZT. (When the accelerometer is shaken, the force is applied along the 0.2mm dimension, which is the z axis of this crystal). The electrodes are on the Imm x Imm sides of the piezoelectric. a) What is the sensitivity of this accelerometer? b) What is the mechanical resonant frequency of this sensor? c) Assume this piezoelectric crystal has a leakage resistance of 100 MQ. What is the low-frequency cut-off of this accelerometer?
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![1) A piezoelectric accelerometer consists of a 0.1 gm mass resting on a 1mm x 1mm x
0.2mm slab of PZT. (When the accelerometer is shaken, the force is applied along
the 0.2mm dimension, which is the z axis of this crystal). The electrodes are on the
1mm x 1mm sides of the piezoelectric.
a) What is the sensitivity of this accelerometer?
b) What is the mechanical resonant frequency of this sensor?
c) Assume this piezoelectric crystal has a leakage resistance of 100 MQ. What
is the low-frequency cut-off of this accelerometer?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2aa67334-20da-48c5-b56b-130be7448f7a%2F0224e723-e2a5-48a9-a3ec-817810410d86%2F4ayrgrv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1) A piezoelectric accelerometer consists of a 0.1 gm mass resting on a 1mm x 1mm x
0.2mm slab of PZT. (When the accelerometer is shaken, the force is applied along
the 0.2mm dimension, which is the z axis of this crystal). The electrodes are on the
1mm x 1mm sides of the piezoelectric.
a) What is the sensitivity of this accelerometer?
b) What is the mechanical resonant frequency of this sensor?
c) Assume this piezoelectric crystal has a leakage resistance of 100 MQ. What
is the low-frequency cut-off of this accelerometer?
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