Method and apparatus for replicating a charge packet

Details Method and apparatus for replicating a charge packet Method and apparatus for replicating a charge packet

1975-10-24

1977-09-06

Larkins, William D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 24, G11C 1928, H01L 2978

Patent

active

040470512

ABSTRACT:
A method and apparatus for duplicating or replicating an original packet of charge carriers such as electrons or holes while leaving the original charge packet unchanged and still available for further processing is described. A charge-coupled device (CCD) circuit is provided using gate displacement charge flow in combination with a bucket brigade circuit. The CCD circuit includes a first +CCD well, a source diffusion and a second CCD well. An original charge packet is introduced into the first CCD well, the gate of which being precharged to a given source potential. The charge packet in the first CCD well reduces the magnitude of the source potential and it is immediately restored by current flow which in turn causes charge carriers to transfer from the source diffusion into the second CCD well until a charge packet is contained in the second CCD well which is a replica of the original charge packet.

REFERENCES:
patent: 3623132 (1971-11-01), Green
patent: 3760202 (1973-09-01), Kosonocky
patent: 3806772 (1974-04-01), Early
patent: 3838438 (1974-09-01), Silversmith
patent: 3937985 (1976-02-01), Cooper
Heller et al. "Potential Well Single-Device Charge Amplifier and Inverter" IBM Tech. Disclosure Bulletin vol. 14 (Sept. 1971) pp. 1193-1194.
Tompsett "A Simple Charge Regenerator for Use with Charge-Transfer Devices and the Design of Functional Logic Arrays" IEEE J. Solid-State Circuits vol. SC-7 (June 1972) pp. 237-242.

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