你需要阅读放大器的全部指标，并试着去了解它们的意义，这样你才会对放大器的表现能力有一个整体的认识。
Read all the specs, try to learn what they all mean, and then you'll be able to get a good picture of amplifier performance.
在硬件设计方面，完成了阅读器主电路及功能模块的设计，特别是对D类功率放大器、编码器和电感线圈的设计理论和方法作了详细介绍。
In the design of hardware, the paper details in introducing the reader circuit and function module, especially the theory and method of design in D-type power amplifier, Manchester code and coil.
在硬件设计方面，完成了阅读器主电路及功能模块的设计，特别是对D类功率放大器、编码器和电感线圈的设计理论和方法作了详细介绍。
In the design of hardware, the paper details in introducing the reader circuit and function module, especially the theory and method of design in D-type power amplifier, Manchester code and coil.
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