Charge transfer devices

Details Charge transfer devices Charge transfer devices

G - Physics

11

C

352/82.2

G11C 11/40 (2006.01) G11C 11/34 (2006.01) G11C 19/28 (2006.01) G11C 27/00 (2006.01) G11C 27/04 (2006.01) H01L 27/105 (2006.01) H01L 29/10 (2006.01) H01L 29/768 (2006.01) H01L 29/78 (2006.01) H03H 15/02 (2006.01) H03M 1/00 (2006.01)

Patent

CA 1135858

1 PHN.8911 C. ABSTRACT: A charge transfer device has one or more con- trol electrodes (8) connected to switching means (20) so that the electrode (8) can perform two functions. Normally the electrode (8) is used for charge transfer but it may be switched to act as a blocking electrode for blocking the charge (S) present underneath it for one or more clock phases. This permits the device to be formed as a filter, an analog to digital converter or digital to analog converter in a simple and cheap man- ner. The charge transfer channel may be split into sections using e.g. isolation diffusions (12 see Figure 4; or 51,52,52 see Figure 5). (It is suggested that Figure 1 should accom- pany the Abstract when published).

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