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- W2000979781 abstract "The pulsed laser range finding has been extensively applied in space exploration, military use and industry, due to its advantages over other methods of non-contact ranging in simplicity, non-cooperativeness of objects, long detecting range and short range acquisition time. The integration of its receiver channel will be beneficial to weight-lightening, miniaturization and mass production of the laser range finder. A transimpedance amplifier for receiver channel of pulsed range finder is designed using 0.6-μm CMOS technology in this work. It consists of transimpedance pre-amplifier, R-2R resistors ladder variable attenuator and post-amplifier. A regulated cascade circuit (RGC) is used to isolate the input capacitor from input node of transimpedance pre-amplifier, reducing the bandwidth suppression caused by large input capacitor. R-2R variable attenuator is implemented for digital gain control, achieving a total gain control range of 42dB with 7 steps and 6dB per step. Simulation shows that the circuit achieves a bandwidth of 83 MHz with the presence of a 5-pF input capacitor, and a maximum transimpedance of 125.5dBΩ, meeting the requirement of high-precision pulsed laser range finder." @default.
- W2000979781 created "2016-06-24" @default.
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- W2000979781 date "2010-05-13" @default.
- W2000979781 modified "2023-10-16" @default.
- W2000979781 title "A CMOS transimpedance amplifier for pulsed laser range finder" @default.
- W2000979781 doi "https://doi.org/10.1117/12.866013" @default.
- W2000979781 hasPublicationYear "2010" @default.
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