The system approaches previously reported systems in terms of preamplifiernoise and the base line noise level.
前置放大器和基线噪声水平均接近国外最好水平。
2
The preamplifiernoise has been optimized and a new implementation method of the large feedback resistor has been proposed.
对前放的噪声进行了优化设计，提出了一种新的大反馈电阻实现方式。
3
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.