Use of floating diffusion for low-noise electrical inputs in CCD

Details Use of floating diffusion for low-noise electrical inputs in CCD Use of floating diffusion for low-noise electrical inputs in CCD

1975-09-30

1977-06-07

Lynch, Michael J.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307221D, 307304, H01L 2978

Patent

active

040287157

ABSTRACT:
It is frequently desirable to establish the level of charge in the first potential well of a CCD in accordance with an external electrical signal. Thermal noise associated with the output resistance of the external source gives rise to uncertainty in this charge level. The use of a floating diffused region as an intermediate receptacle for the charge introduced permits a substantial reduction in the magnitude of this uncertainty.

REFERENCES:
patent: 3699537 (1972-10-01), Walstrom
patent: 3755793 (1973-08-01), Ho et al.
patent: 3760202 (1973-09-01), Kosonocky
patent: 3801883 (1974-04-01), Tiemann
patent: 3810125 (1974-05-01), Stein
patent: 3902186 (1975-08-01), Engeler et al.
patent: 3986198 (1976-10-01), Kosonocky
W. Engeler et al., "A Mem. Sys. Based on Surf.-Ch. Transport," IEEE J. of S-S ckts., vol. SC-6 No. 5, Oct. 1971, pp. 306-313.
R. Krambeck et al., "A Doped Surface Two-Phase CCD," Bell Sys. Tech. J., vol. 51 No. 8, Oct. 1972, pp. 1849-1866.

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