Unit 1
9 hrsHistory and development of biomedical instrumentation, biometrics, Basic transducer principles: active and passive transducers, transducers for biomedical applications; origin of biopotential and its propagation, sources of bioelectric potentials, electrocardiogram, electro encephalogram, electromyogram and other bioelectric potentials. Biopotential Electrodes: types of electrodes surface, needle and microelectrodes, biochemical transducers.