Linear amplifier and power supply modulator

• Main Authors: JIAN SHIXIONG, WEN SONGHAN, CHEN GUANDA
• Format: Patent
• Language: Chinese; English
• Published: 17.03.2023
• Subjects: AMPLIFIERS; APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; BASIC ELECTRONIC CIRCUITRY; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The invention provides a linear amplifier. The linear amplifier comprises an amplification stage, a direct current level offset stage, a compensation network and a power stage, the amplification stage is used for generating a first signal and a second signal. The DC level offset stage is used for adjusting the DC voltage of the first signal and the DC voltage of the second signal to generate an adjusted first signal and an adjusted second signal. The compensation network is used for generating a first driving signal and a second driving signal according to the first signal, the second signal, the adjusted first signal and the adjusted second signal. The power stage is used for generating an output signal according to the first driving signal and the second driving signal. 本发明提供了一种线性放大器，包括放大级、直流位准偏移级、补偿网络和功率级。放大级用于产生第一信号和第二信号。直流位准偏移级用于调整第一信号的直流电压和第二信号的直流电压，以产生调整后的第一信号和调整后的第二信号。补偿网络用于根据第一信号、第二信号、调整后的第一信号及调整后的第二信号产生第一驱动信号和第二驱动信号。功率级用于根据第一驱动信号和第二驱动信号产生输出信号。