It is desired to set up a central station for simultaneous monitoring of the electrocardiograms ECGs of 8 hospital patients. The data from the 8 patients are brought to a processing center over wires and are sampled, quantized, binary coded and time division multiplexed. The ECG signal bandwidth is 120 Hz. The maximum acceptable error in sample amplitudes is 0.25% of the peak signal amplitude. The sampling rate must be at least twice the Nyquist rate. Determine the minimum cable bandwidth needed to transmit these data.
It is desired to set up a central station for simultaneous monitoring of the electrocardiograms ECGs of 8 hospital patients. The data from the 8 patients are brought to a processing center over wires and are sampled, quantized, binary coded and time division multiplexed. The ECG signal bandwidth is 120 Hz. The maximum acceptable error in sample amplitudes is 0.25% of the peak signal amplitude. The sampling rate must be at least twice the Nyquist rate. Determine the minimum cable bandwidth needed to transmit these data.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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It is desired to set up a central station for simultaneous monitoring of the electrocardiograms ECGs of 8 hospital patients. The data from the 8 patients are brought to a processing center over wires and are sampled, quantized, binary coded and time division multiplexed. The ECG signal bandwidth is 120 Hz. The maximum acceptable error in sample amplitudes is 0.25% of the peak signal amplitude. The sampling rate must be at least twice the Nyquist rate. Determine the minimum cable bandwidth needed to transmit these data.
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