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一种长波红外光导探测器CMOS电路设计
低阻抗 CMOS 低噪声 光导探测器
2016/8/18
CMOS 电路是高输入阻抗，而长波红外光导探测器是低阻抗，实现低阻抗红外光导探测器与CMOS 电路的良好匹配，是目前长波红外探测器高性能成像的关键技术。文中设计了一种能在低温下工作的低阻抗红外光导探测器CMOS 电路，差分放大器采用正负电源供电，在输入级采用桥式输入方式，该电路第一级采用1MΩ的负反馈电阻实现信号放大，第二级放大采用正端放大方式，输入级、第一级放大、第二级放大均采用直接耦合方式。测...
High-Speed Near Infrared Optical Receivers Based on Ge Waveguide Photodetectors Integrated in a CMOS Process
High-Speed Near Infrared Optical Receivers Ge Waveguide Photodetectors Integrated CMOS Process
2009/5/19
We discuss our approach to monolithic intergration of Ge photodectors with CMOS electronics for high-speed optical transceivers. Receivers based on Ge waveguide photodetectors achieve a sensitivity of...
