Introduction.- Basic Bioinstrumentation System.- Charge, Current, Voltage, Power and Energy.- Resistance.- Linear Network Analysis.- Thevenin's and Norton's Theorems.- Inductors.- Capacitors.- Inductance and Capacitance Combinations.- General Approach to Solving Circuits Involving Resistors, Capacitors and Inductors.- Operational Amplifiers.- Time-Varying Signals.- Active Analog Filters.- Bioinstrumentation Design.- Exercises.