Oscillators

Question 1

Why is the Colpitts oscillator circuit commonly used in a VFO (variable frequency oscillator)?

Answer 1

It is stable

Question 2

What is the oscillator stage called in a frequency synthesizer?

Answer 2

VCO

Question 3

What are three major oscillator circuits found in radio equipment?

Answer 3

Colpitts, Hartley, and Pierce.

Question 4

Which type of oscillator circuit is commonly used in a VFO (variable frequency oscillator)?

Answer 4

Colpitts.

Question 5

What condition must exist for a circuit to oscillate? It must:

Answer 5

Have sufficient positive feedback.