Based on the study of working principle of traditional sine pulse width modulator, a new SPWM modulating method by dual-square wave composing technology is presented in this paper. 提出了一种用双方波合成技术实现的SPWM新方法,该方法可以简化硬件电路、减少运算时间。
A Class D amplifier comprises a pulse width modulator and an output stage. D类放大器包括脉宽调制器(PWM)和输出级。
A High Performance Sine Pulse Width Modulator(PWM) 一种高性能的正弦脉宽调制器(PWM)
The digital pulse width modulator adopts CMOS technology and is suitable for a variety of speech synthesis integrated circuits. 本文所设计的数字脉冲宽度调制器采用CMOS工艺,适合于不同的语音合成集成电路。
A CMOS pulse width modulator is designed The circuit structure of a CMOS reference source and its operational principle are described Technical problems encountered in the design are discussed Results from computer simulation are presented. 设计了一种CMOS脉宽调制器(PWM)。介绍了CMOS基准源的电路结构及工作原理,讨论了设计过程中需要解决的技术问题。