Future Students - Courses

Biomedical Electronics

Unit Code: HET235

Duration	Contact Hours	Campus	Prerequisite	Corequisite
1 Semester	Approximately 5 Hours per Week	Hawthorn	HET182 Electronics Systems or	Nil

Credit Points: 12.5 Credit Points

Related Course/s:

A unit of study in the Bachelor of Science (Biomedical Sciences), Bachelor of Engineering (Biomedical Engineering), Bachelor of Science (Biomedical Sciences)/Bachelor of Engineering (Electronics and Computer Systems) and Bachelor of Engineering (Electronics and Computer Systems).

Aims & Objectives:

This unit of study has two aims. The first is to create an understanding of the electronic circuits and devices used in biomedical equipment. The second is to develop proficiency in the safe use of the electrical equipment used in health care.

Teaching Methods:

Lectures and laboratory work.

Assessment:

Assignments, examinations.

Content:

Signals, Amplifiers and Filters:

Sources of electrical signals.
Sensors, signals, amplifiers.
Operational amplifier circuits.
Ideal and non-ideal amplifier properties.
Comparators.
Active filters.
Modulation.
Digital to analog and analog to digital conversion.
Digital filters.

Interference and Noise:

Induced voltages and induced currents in sensors, leads, and circuits.
Common impedance paths.
Electric field coupling.
Magnetic field coupling.
Electromagnetic radiation and shielding.
Characteristics of noise.
Noise spectra.
Types of noise.
Noise measurement.
Noise factor.

Electrical Safety:

Electrical safety.
The biological effects of electrical current.
Hazards, hazard identification, hazard evaluation, hazard control.

References:

Webster, JG, Medical Instrumentation, Haughton Miffen.
Cromwell, L, Wiebell, FJ & Pfeiffer, EA, Biomedical Instrumentation and Measurement, Prentice Hall, 1991.
Lancaster, D, Active Filter Cookbook, Sams, 1989.
Ott, H, Noise Reduction Techniques in Electronic Systems, John Wiley and Sons, New York, 1994.
Australian/New Zealand Standard 3551, Technical Management Programs for Medical Devices, 1996.
Australian/New Zealand Standard 2500, Guide to the Safe Use of Electricity in Patient Care, 1995.
Australian/New Zealand Standard 3200, Medical Electrical Equipment, 1998.