WOLFRAM|DEMONSTRATIONS PROJECT

Colpitts Oscillator

​
t
550
α
6.27
γ
0.07
q
0.68
η
6.27
x
0
0.6
y
0
0.45
z
0
-0.35
In this LC oscillator invented by Edwin H. Colpitts in 1927, two capacitors in series along with an inductor, combined with a transistor to provide feedback, sustain the oscillations. This oscillator can show chaotic behavior, which is of interest in applications such as secure communications.