1) To measure the carotid pulse, a piezoelectricsensor is used. The equivalent impedance ofthe sensor and cable are modelled as aresistance (Req) and a capacitance (Ceq) (seefigure 1) and measure at 4 GN and 1 nFrespectively. What should the input resistanceof the amplifier (Rin) be to have a frequencyresponse higher than 0.05 Hz. Assume that thecarotid pulse is a step function.V1ReqTWCeqRinAmplifierFigure 1 Circuit for question 1

The amplifier diagram is shown below, Where,Req=4GΩ.Ceq=1nF.f=0.05Hz.

1) To measure the carotid pulse, a piezoelectric sensor is used. The equivalent impedance of the sensor and cable are modelled as a resistance (Req) and a capacitance (Ceq) (see figure 1) and measure at 4 G2 and 1 nF respectively. What should the input resistance of the amplifier (Rin) be to have a frequency response higher than 0.05 Hz. Assume that the carotid pulse is a step function V1 Req TW Ceq Rin W Amplifier Figure 1 Circuit for question 1

1) To measure the carotid pulse, a piezoelectric sensor is used. The equivalent impedance of the sensor and cable are modelled as a resistance (Req) and a capacitance (Ceq) (see figure 1) and measure at 4 G2 and 1 nF respectively. What should the input resistance of the amplifier (Rin) be to have a frequency response higher than 0.05 Hz. Assume that the carotid pulse is a step function V1 Req TW Ceq Rin W Amplifier Figure 1 Circuit for question 1

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Question

1) To measure the carotid pulse, a piezoelectric
sensor is used. The equivalent impedance of
the sensor and cable are modelled as a
resistance (Req) and a capacitance (Ceq) (see
figure 1) and measure at 4 GN and 1 nF
respectively. What should the input resistance
of the amplifier (Rin) be to have a frequency
response higher than 0.05 Hz. Assume that the
carotid pulse is a step function.
V1
Req
TW
Ceq
Rin
Amplifier
Figure 1 Circuit for question 1

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