The problems in its application on audio frequency power amplifier and the main methods to solve them are pointed out.
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。
The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.
指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。
Audio frequency enlarge, video deal with, power manage and mix the thick membrane integrated circuit.
音频放大，视频处理，电源管理混合厚膜集成电路。
The paper presents a novel ultra-audio frequency (UAF) induction welding power based on ZCS-PWM(Zero Current Switching-Pulse Width Modulation) technology.
介绍一种基于ZCS-PWM（零电流开关-脉宽调制）技术的新型超音频感应焊接电源。
Purpose: Audio frequency and high frequency power amplifier.
用途：用于音频、高频功率放大。
In order to improve the ringing method of telephone used in power systems, a type of selective calling device using audio frequency has been developed.
为了使电力系统通信设备的呼叫装置更加使用方便工作可靠，我们研制了以按键电话机发出双音频呼叫信号进行选择接收的音频选号装置。
Main products of the company include power transformers, power adapters, cell-phone chargers, audio frequency transformers and inductive coils, with an annual output of up to 15 million sets.
主要产品有电源变压器、电源适配器、手机充电器、音频变压器和电感线圈，年产量可达1500万只。
Main products of the company include power transformers, power adapters, cell-phone chargers, audio frequency transformers and inductive coils, with an annual output of up to 15 million sets.
主要产品有电源变压器、电源适配器、手机充电器、音频变压器和电感线圈，年产量可达1500万只。
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