Low noise charge gain circuit and CCD using same

Details Low noise charge gain circuit and CCD using same Low noise charge gain circuit and CCD using same

2006-07-18

2006-07-18

Allen, Stephone B. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S214100, C348S308000, C257S222000

Reexamination Certificate

active

07078670

ABSTRACT:
A charge coupled device (CCD) includes a low noise charge gain circuit that amplifies charge of a cell dependent upon the charge accumulated by the cell. The low noise charge gain circuit receives clocking signals, such as from an input diode, which allow charge to accumulate in a reservoir well and then flow into a receiving well. The low noise charge gain circuit also receives a voltage signal corresponding to charge accumulated on an associated cell. The amount of charge flowing into the receiving well depends on this voltage signal.

REFERENCES:
patent: 5751779 (1998-05-01), Weir
patent: 2002/0027189 (2002-03-01), Murakami et al.
patent: 2002/0100863 (2002-08-01), Spears

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