High-performance mixed jitter type DPWM circuit structure

• Main Authors: LIU PEIYAN, FENG SHUHAN, ZHAO YIQIANG, LI YAO, CHENG WEIBO, WANG QIUWEI, YE MAO, ZHENG XIAOXIAO, WEI XIN, GAO YA
• Format: Patent
• Language: Chinese; English
• Published: 01.11.2022
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; PULSE TECHNIQUE

The invention discloses a high-performance mixed jitter type DPWM circuit structure, which comprises a jitter module, an adder, a delay chain with controllable delay, a counter 1, a counter 2, a comparator and an RS trigger, and is characterized in that the delay chain with controllable delay comprises a multiplexer and a plurality of delay units. According to the invention, high-frequency, high-linearity, high-resolution and high-precision DPWM (Digital Pulse Width Modulation) can be realized. 本发明公开了一种高性能的混合抖动型DPWM电路结构，包括抖动模块、加法器、延迟可控的延迟链、计数器1、计数器2、比较器、RS触发器，所述延迟可控的延迟链包括多路选择器和多个延迟单元，本发明提出的一种高性能的混合型DPWM电路结构，其可实现高频率、高线性度、高分辨率、高精度的DPWM。