unit5

Lecture 36: Use of positive feedback in oscillators

Lecture 37: Barkhausens criteria for oscillation

Lecture 38: Overall gain of positive feedback amplifier

Lecture 39: Tank circuit

Lecture 40: Different types of oscillators

Lecture 41: LC oscillators: (1) Hartley oscillator, (2) Colpitts oscilla...

Lecture 42: RC oscillators: (1) Phase shift oscillator, (2) Wein bridge ...

Lecture 43: Crystal Oscillator Piezoelectric effect, characteristics of ...

Lecture 44: Uni junction transistor(UJT) Structure, symbol, working, cha...

Lecture 45: Use of UJT as relaxation oscillator