Three-level switch power amplifier based on one-cycle control technology and algorithm model thereof

• Main Authors: XU AIWEI, GONG LIMING, LYU FEI, WANG ZHI
• Format: Patent
• Language: Chinese; English
• Published: 04.05.2016
• Subjects: AMPLIFIERS; BASIC ELECTRONIC CIRCUITRY; ELECTRICITY

The invention discloses a three-level switch power amplifier based on a one-cycle control technology and an algorithm model thereof. The power amplifier comprises a one-cycle controller, a positive power supply sampling circuit, a negative power supply sampling circuit, a driving circuit, a three-level main circuit and a filter, wherein an audio signal is input into the one-cycle controller, the positive power supply sampling circuit is connected between the one-cycle controller and a positive power supply, the negative power supply sampling circuit is connected between the one-cycle controller and a negative power supply, the driving circuit is connected between the one-cycle controller and the input end of the three-level main circuit, the three-level main circuit is connected with the positive power supply and the negative power supply respectively, the output end of the three-level main circuit is connected with the input end of the filter, and the output end of the filter outputs the audio signal. Accord