So it is of great practical importance to study the audio power amplifier.
因此研究音频功率放大器具有非常实际的意义。
The control system of professional audio power amplifier is developed , centered around MCU controller PIC16C54.
研制一套以单片机PIC16C54为核心的专业音频功率放大器控制系统。
Nowadays, people emphasize high power and high efficiency as well as high fidelity feature of audio power amplifier.
人们在追求高保真度音频功放的同时，也希望功放有大的输出功率和高效率。
Integrated circuit of a class-D audio power amplifier with very high efficiency using CMOS technology is presented in this paper.
分析了高频开关电源的特点及将其应用到音频功率放大器中所遇到的主要问题，以及解决这些问题的基本方法。
An improved scheme of full bridge PWM for Class-D audio power amplifier is described in the paper, and it is implemented in analog and digital way.
论述了音频D类功率放大器的全桥pwm改进方案，并用模拟与数字的方法实现。
This paper designs a kind of power detecting circuit of switch power supply used for audio power amplifier. It presents the principle and realization method of the circuit.
为了使开关电源很好地应用于音响功放，设计了一种开关电源输出功率检测电路，给出了电路的原理和具体实现方法。
To control stepping motors, the balance bridge power drive circuit is made up by TDA1521 integrated audio power amplifier, the pulse allotter is made up by the parallel ports of computer and latches.
双回转机构的步进电机控制电路由TDA1521音频集成功率放大器组成平衡桥式功率驱动电路，由计算机并行口经过锁存器构成脉冲分配器。
Audio Power amplifier is widely used in high performance audio systems, stereo phonographs, servo amplifiers and instrument systems.
音频功率放大器广泛应用于家庭影院、音响系统、立体声唱机、伺服放大器等电子系统中。
Audio Power amplifier is widely used in high performance audio systems, stereo phonographs, servo amplifiers and instrument systems.
音频功率放大器广泛应用于家庭影院、音响系统、立体声唱机、伺服放大器等电子系统中。
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