a) A piezoelectric crystal transducer is used to measure the force transmitted from a structure to its support as shown in Figure 1. The crystal is in the form of a disc of diameter 2 cm and thickness of 1 mm with the charge constant of 1 x 10-5 Coulumb/cem. Dielectric constant of the crystal is 5 and Young's modulus is 8 x 10-10 N/m². Capacitance of the cable is 20 pF. The amplifier has an input resistance of 20 MQ in parallel with a capacitance of 50 pF. The amplifier gain is 50. In a measurement situation, if the output voltage e, has an aplitude of 0.5 V at a given frequency of 100 Hz, find the amplitude of the force hitting the piezoelectric transducer. Force Output Structure Piezo-electric Transducer Amplifier Support Figure 1: Piezoelectric force transducer

a) A piezoelectric crystal transducer is used to measure the force transmitted from a structure to its support as shown in Figure 1. The crystal is in the form of a disc of diameter 2 cm and thickness of 1 mm with the charge constant of 1 x 10-5 Coulumb/cem. Dielectric constant of the crystal is 5 and Young's modulus is 8 x 10-10 N/m². Capacitance of the cable is 20 pF. The amplifier has an input resistance of 20 MQ in parallel with a capacitance of 50 pF. The amplifier gain is 50. In a measurement situation, if the output voltage e, has an aplitude of 0.5 V at a given frequency of 100 Hz, find the amplitude of the force hitting the piezoelectric transducer. Force Output Structure Piezo-electric Transducer Amplifier Support Figure 1: Piezoelectric force transducer

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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