Electronics Handbook/Devices/Oscillator/Active Oscillator/Single Frequency Oscillator or SFO

Single Frequency Oscillator or SFO

Single Frequency Oscillator or SFO is made up of class A Transistor Amplifier with feedback circuit consists of parallel LC Tuned circuit or a RC phase shift of 180^o

Characteristics

Parallel LC Tuned Circuit

The Oscillating Frequency is calculated by

$f={\frac {1}{2\pi }}{\sqrt {\frac {1}{lC}}}$

RC phase shift of 180^o

The Oscillating Frequency is calculated by

$f={\frac {1}{2\pi }}{\frac {1}{RC}}{\frac {1}{Tan\Theta }}$