... 光谱灵敏度特性（曲线） spectral sensitivity characteristic 光前置放大器 light preamplifier 光枪 light gun ...
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Have designed the concrete drive circuit of LED light sources and the concrete circuits of preamplifier and subtracter, etc.
设计了具体的LED光源的驱动电路，以及前置放大器、减法器等的具体电路。
Preamplifier is one of the most important components in photoreceiver front-end. It directly affects the performance of light receivers such as speed, noise and sensitivity.
前置放大器是光接收机前端中最重要的组件之一，它直接影响光接收机的速度、噪声、灵敏度等整体性能。
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