Provides the necessary DC power to sustain the oscillations.
Usually a transistor or operational amplifier that increases the signal strength.
An electronic generator (электронный генератор) is a device that converts from a power source into undamped electrical oscillations of a specific shape, frequency, and power. Unlike mechanical generators that use rotation, electronic generators operate as closed systems typically built around amplification and feedback loops. Core Components of a Generator Circuit
The feedback signal must arrive back at the input in phase with the original oscillation.
For a circuit to function as an auto-generator (self-starting), it must simultaneously satisfy two balance conditions:
Typically used for low-frequency applications. A well-known example is the Wien bridge circuit, which provides a stable sinusoidal output.