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Engineering
Electrical Engineering
The ECG signal of a person shows an irregular heartbeat of 180 beats per minute. You areasked to come up with a system that digitises this signal, using an analog-to-digitalconverter (ADC) with a reference voltage of 5 V. The digitised signal should have a resolutionof 1 mV or better.4.1. How many samples per second should your system take in order to fully capture the ECGsignal?4.2. What should the ADC’s resolution in bits be? Alternatively, how many quantisation levelsshould the ADC have; or how many bits per sample should the ADC have?

The ECG signal of a person shows an irregular heartbeat of 180 beats per minute. You areasked to come up with a system that digitises this signal, using an analog-to-digitalconverter (ADC) with a reference voltage of 5 V. The digitised signal should have a resolutionof 1 mV or better.4.1. How many samples per second should your system take in order to fully capture the ECGsignal?4.2. What should the ADC’s resolution in bits be? Alternatively, how many quantisation levelsshould the ADC have; or how many bits per sample should the ADC have?

Introductory Circuit Analysis (13th Edition)
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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The ECG signal of a person shows an irregular heartbeat of 180 beats per minute. You are
asked to come up with a system that digitises this signal, using an analog-to-digital
converter (ADC) with a reference voltage of 5 V. The digitised signal should have a resolution
of 1 mV or better.
4.1. How many samples per second should your system take in order to fully capture the ECG
signal?
4.2. What should the ADC’s resolution in bits be? Alternatively, how many quantisation levels
should the ADC have; or how many bits per sample should the ADC have?

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