Tuning circuits are electronic circuits designed to select specific frequencies from a range of signals. They are commonly used in devices like radios and televisions to isolate the desired station or channel. By adjusting components such as capacitors and inductors, these circuits can be fine-tuned to resonate at a particular frequency, allowing for clearer reception. These circuits typically consist of a resonant circuit, which can be either series or parallel. The key components, capacitors and inductors, work together to create a selective filter. This enables the circuit to amplify the desired signal while minimizing interference from other frequencies.