一种带控制信号的隔离型PWM功率放大器的设计  

Design. of Isolation PWM Power Amplifier with Motor Direction Control Signal

作　　者：潘美珍[1] 周敛荣[1] 

机构地区：[1]中国电子科技集团公司第43研究所,合肥230022

出　　处：《混合微电子技术》2010年第2期32-34,49,共4页Hybrid Microelectronics Technology

摘　　要：本文详细介绍了一种带电机方向控制信号的隔离型单极PWM功率放大器的设计原理和实现方法，通过优化栅极驱动电路以减小电路震荡、提高电路效率，通过设计信号、电源三端隔离电路，有效地增强了电路的抗干扰能力和可靠性，本文将重点阐述该种PWM功率放大器的关键技术及其解决方案。This paper introduces design of single - stage PWM power amplifier with direction control signal. Proper grid drive circuit is designed to reduce vibration and enhance efficiency. Through the design of signal and power isolated circuit to en- hance the capacity of anti -jamming and the security. This paper elaborates on technical difficulties met in the development of 1he PWM power amplifier and its solution.

关 键 词：电机方向控制 PWM功率放大器 隔离 栅极驱动 

分 类 号：TN722.75[电子电信—电路与系统]