求翻译：本系统采用高频率低噪声硅三极管2SC3355作为系统核心，设计并制作了一个LC谐振放大器，实现对50UV以下的小信号进行放大，并采用三极管组成负反馈网络完成自动增益控制功能路。采用三级单调协回路进行放大。该放大器结构简单，性能稳定，功能完善，功耗极低，成本低廉，基本达到了各项设计指标。是什么意思？

The system uses high-frequency low-noise silicon transistor 2SC3355 heart of the system, designed and produced an LC resonant amplifier, to achieve 50UV the following small signal amplification and negative feedback network composed of transistors used to complete automatic gain control road. Co-mon

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This system uses high-frequency low noise silicon triode 2SC3355 to take the system core, designed and has manufactured a LC tuned amplifier, realized carries on the enlargement to below the 50UV small signal, and used the triode composition negative feedback network to complete the automatic gain c

The system uses high-frequency low-noise SI transistors 2SC3355 as the heart system, designed and produced a LC resonance amplifier, enabling the 50UV following small signal amplification, and introduce a transistor negative feedback network composed of completed road, automatic gain control functio

The system uses high-frequency low-noise SI transistors 2SC3355 as the heart system, designed and produced a LC resonance amplifier, enabling the 50UV following small signal amplification, and introduce a transistor negative feedback network composed of completed road, automatic gain control functio