What is an oscillator?
What is the Barkhausen criterion for an oscillator?
What are the conditions for the successful operation of a phase-shift oscillator?
Explain why positive feedback and not negative feedback is necessary to produce oscillations?
Why are LC oscillator circuits impractical in audio-frequency range?
What is the difference between Hartley and Colpitts oscillators in construction?
Why are Colpitts oscillators used to generate fixed radio-frequency signals?
Why are crystal oscillators used in communication equipments?
What is the range of frequencies of crystal oscillators? Why?
What is frequency stability of an oscillator?