The feedback signal must arrive back at the input in phase with the original oscillation.
A standard electronic generator schematic generally includes several critical functional blocks: jelektronnyj generator shema
For a circuit to function as an auto-generator (self-starting), it must simultaneously satisfy two balance conditions: The feedback signal must arrive back at the
Often used for high frequencies (>100 kHz). Popular designs include the Meissner (transformer-coupled), Hartley (inductive three-point), and Colpitts (capacitive three-point) circuits. Hartley (inductive three-point)
Typically used for low-frequency applications. A well-known example is the Wien bridge circuit, which provides a stable sinusoidal output.
Электронные генераторы - Школа для электрика