A Colpitts oscillator is designed as a radio frequency oscillator. Which of the following statements is INCORRECT?
1
It operates on the principle of parallel resonance.
2
In a Colpitts oscillator, two capacitors and an inductor form the feedback network.
3
The frequency of oscillation is \(\omega = \frac{1}{\sqrt{L\left(\frac{C_1 + C_2}{C_1 C_2}\right)}}\)
4
An LC network is used in the design of Colpitts oscillators.