Full bridge current driven vertical deflection amplifier circuit diagram TDA4866

The TDA4866 is a 90-color power amplifier designed for vertical deflection systems, operating at a frequency range of 50 to 160 Hz. The CRMM circuit is implemented to ensure a high current drive input. The amplifier features a dual bridge output stage configuration, with DC coupling achieved through a deflection coil that connects to the controller TDA485X. The TDA4841PS offers an excellent solution for this application. The pinout and functions of the TDA4866 are illustrated in the accompanying figure.

The TDA4866 power amplifier is specifically engineered for use in television and display systems where precise vertical deflection is required. Its operational frequency range of 50 to 160 Hz allows it to accommodate various display technologies, ensuring smooth vertical scanning and image stability. The CRMM (Current Regulated Modulation Method) circuit enhances the amplifier's performance by providing a robust input capable of driving high current loads, which is essential for deflection coils used in CRT and other display technologies.

The amplifier's dual bridge output stage configuration enables efficient power delivery to the deflection coils, facilitating rapid changes in the magnetic field required for vertical deflection. This configuration not only improves the response time but also minimizes distortion, resulting in clearer and more stable images. The DC coupling through the deflection coil ensures that the amplifier can maintain consistent performance across a range of operating conditions.

The integration of the TDA485X controller allows for advanced control over the deflection process, enabling features such as dynamic focus and convergence adjustments. The TDA4841PS complements the TDA4866 by providing additional signal processing capabilities, enhancing overall system performance. The pinout of the TDA4866 is critical for proper integration into the circuit, as each pin serves specific functions such as power supply connections, signal inputs, and outputs, ensuring the amplifier operates efficiently within the overall system architecture.90 color TDA4866 power amplifier for the vertical deflection system, vertical deflection frequency rate is 50 ~ 160Hz. CRMM circuit provides a high current drive input. Since t he two bridge output stage configuration, the DC coupling is completed by a deflection coil for deflecting the connection controller TDA485X, TDA4841PS provide excellent solution. TDA4866 pinout and the pin functions as shown in FIG.