sine wave

triangular wave

saw-tooth wave

square wave

Hartley oscillator

Colpitts oscillator

un tuned collector oscillator

Wein bridge oscillator

R.C. phase shift

Wein bridge

L.C. oscillator

Blocking oscillator

produces sinusoidal output

produces non-sinusoidal output

relaxes indefinitely

oscillates continuously

mass of the crystal

square root of the mass of the crystal

square of the mass of the crystal

inverse of the square root of the mass of the crystal