Floating-diffusion charge sensing for buried-channel CCD using a

Details Floating-diffusion charge sensing for buried-channel CCD using a Floating-diffusion charge sensing for buried-channel CCD using a

1985-04-04

1986-07-29

Munson, Gene M.

Electrical pulse counters, pulse dividers, or shift registers: c

Charge transfer device

Particular input or output means

357 24, G11C 1928, H01L 2978

Patent

active

046034269

ABSTRACT:
A cacade connection of a buried channel CCD clocked with clocking signals of a few volts and a floating-diffusion electrometer operated at voltages no larger than those few volts. Undesirable flow back of charge into the CCD from the electrometer is forestalled by applying to the last CCD charge transfer stage a clocking signal voltage developed by doubling the few-volt clocking signals applied to the earlier charge transfer stages of the CCD.

REFERENCES:
patent: 4139784 (1979-02-01), Sauer
patent: 4389615 (1983-06-01), French et al.
patent: 4513431 (1985-04-01), Chamberlain et al.

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