CLASSIFICATION OF BASIC AMPLIFIERS, BASIC CONCEPT OF FEEDBACK, EFFECTS (OR) PROPERTIES (OR) CHARACTERISTICS OF NEGATIVE FEEDBACK, BASIC FEEDBACK TOPOLOGIES, EFFECT OF NEGATIVE FEEDBACK ON INPUT AND OUTPUT RESISTANCE, METHOD OF IDENTIFYING FEEDBACK TOPOLOGY AND FEEDBACK FACTOR, VOLTAGE SERIES FEEDBACK (OR) SERIES SHUNT FEEDBACK, CURRENT SERIES FEEDBACK (OR) SERIES SERIES FEEDBACK, VOLTAGE SHUNT FEEDBACK (OR) SHUNT SHUNT FEEDBACK, CURRENT SHUNT FEEDBACK (OR) SHUNT SERIES FEEDBACK, STABILITY OF FEEDBACK AMPLIFIER, EFFECT OF FEEDBACK ON AMPLIFIER POLES, FREQUENCY COMPENSATION,