Oscillators

From Adam Colton
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555

See 555

LC

Pair capacitor and inductor. Has some start up time. Also called and LC Tank.

Colpitts

Adds feedback to drive the tank. Uses two capacitors in the tank to ...do soemthing.

Hartley

Also adds feedback to drive the tank. Where the Colpitt oscillator uses 2 caps as a voltage divider, the Hartley uses two inductors.

Bubba

Uses a quad Op Amp and some capacitors and resistors. No inductors.