Research and Design of Class D Amplifier at 1 MHz - 文章详情页

作者：

Hu, Dongdong (Hu, Dongdong.) | Xie, Xuesong (Xie, Xuesong.) | Zhang, Xiaoling (Zhang, Xiaoling.) | Qi, Shuaibing (Qi, Shuaibing.)

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EI Scopus

摘要：

This　paper　is　mainly　for　the　study　of　current　mode　Class-D(CMCD)　power　amplifier　at　1MHz　operating　frequency.　The　article　mainly　focuses　on　the　influence　of　the　driving　circuit　of　the　power　MOSFET　on　the　Class-D　amplifier　at　high　frequency,　the　parameter　calculation　in　the　power　amplifier　circuit　and　the　parameters　of　the　output　transformer.　The　calculations　are　discussed　in　three　aspects.　In　addition,　the　article　discusses　the　Class-D　materials　used　in　the　circuit.　The　article　realizes　the　development　of　a　current-Type　Class-D　amplifier　based　on　the　efficiency　value　of　nearly　80%　at　the　operating　frequency　of　1MHz,　and　it　builds　a　specific　circuit　for　physical　design　and　verification.　©　2018　IEEE.

关键词：

Audio systems High frequency amplifiers Integrated circuits Microsystems Power amplifiers Power MOSFET

作者机构：

[ 1 ] [Hu, Dongdong]Faculty of Information Technology, Beijing University of Technology, Beijing, China
[ 2 ] [Xie, Xuesong]Faculty of Information Technology, Beijing University of Technology, Beijing, China
[ 3 ] [Zhang, Xiaoling]Faculty of Information Technology, Beijing University of Technology, Beijing, China
[ 4 ] [Qi, Shuaibing]Faculty of Information Technology, Beijing University of Technology, Beijing, China

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