Dynamic performance optimization method and optimization device for power amplifier tube in amplifier circuit

The invention provides a dynamic performance amplification method for a power amplifier tube in an amplifier circuit. The dynamic performance of the power amplifier tube is optimized by increasing or decreasing the base current of the power amplifier tube. The method comprises the following step of: decreasing components which cause the accumulation of stored charges and increasing components which facilitate the releasing of the stored charges in the base current to make the base current reach a minimum value which does not influence normal operations; or providing and maintaining the base current not lower than cut-off current to make the power amplifier tube in an amplification interval in the proximate cut-off and cut-off states of the power amplifier tube. Compared with the conventional processing method, the invention is not required to select expensive high-performance power amplifier tubes within a limited type selection range, reduces the overall designing difficulties of the power amplifier circuit,