Design of CCD circuit systems for ultraviolet limb imaging spectrometers

Qing-jun, 马庆军 Ma; Ke-fei, 宋克非 Song; Yi, 曲艺 Qu; Shurong, 王淑荣 Wang

doi:10.3788/ope.20111907.1538

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2013

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“…CCD(Charge Coupled Device) has many advantages such as wide spectral response, high dynamic range, high sensitivity, low noise, small volume and multiple pixels etc [1][2][3]. Currently CCD is widely used in signal processing.…”

Section: Introductionmentioning

confidence: 99%

Design of Temperature Controlling System for CCD Based on DSP

Xiao

2013

AMR

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CCD dark current is an important index of CCD properties effect, which emerges temperature drift phenomenon with the increasing temperatures. Because of the increasing temperature, CCD noise will increase exponentially. A temperature control device is designed based on DSP and fuzzy PID theory, which is composed of core control chip DSP320F28335, temperature control chip Thermal Electronic Cooler and temperature collecting chip DS18B20. Experiments show that the system can collect temperature timely and adjust temperature effectively. At the same time the system reach predetermined temperature in 2 minutes and error range is about 0.1°C.

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Section: Introductionmentioning

confidence: 99%