7.8 kilohertz

3.2 kilohertz

2.5 kilohertz

780 kilohertz

Colpitts

Armstrong

Phase shift

Crystal

400 kHz

600 kHz

1000 kHz

1600 kHz

a stable state

two quasi stable states

an oscillator

none of these

in counting circuits

in memory and timing circuits

for regeneration of distorted waves

for generating square waveforms