Lecture
This lecture covers the definition and conditions of oscillators, focusing on the Barkhausen criterion for oscillation. It explains how an oscillator is an amplifier looped in reaction, with specific criteria for maintaining oscillations. The implementation of a phase-shift RC oscillator is discussed, along with theoretical and practical considerations for initiating and maintaining oscillations. The lecture also delves into the frequency and amplitude requirements for oscillations, as well as the impact of variations in temperature and voltage on oscillator performance.