Purpose: Audio frequency amplifier applications.
用途：用于音频放大。
Purpose: Audio frequency amplifier, driver stage amplifier applications.
用途：用于音频一般放大，驱动级放大。
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。
Purpose: Audio frequency general purpose amplifier applications.
用途：用于普通音频放大。
In audio, a very low frequency oscillation often resulting from a positive feedback path in an amplifier system.
在音响设备中出现的振荡频率极低的低频振荡，常因放大系统的正反馈回路引起。
Purpose: Audio frequency and high frequency power amplifier.
用途：用于音频、高频功率放大。
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。
Expounds the principle of audio frequency power amplifier is designed for manostat, preamplifier, volume control, power amplifier four parts digital power amplifier megaphone.
阐述了音频放大的原理，设计了以稳压电源、前置放大、音量调节、功率放大四部分组成的数字功率放大扩音器。
Expounds the principle of audio frequency power amplifier is designed for manostat, preamplifier, volume control, power amplifier four parts digital power amplifier megaphone.
阐述了音频放大的原理，设计了以稳压电源、前置放大、音量调节、功率放大四部分组成的数字功率放大扩音器。
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