Input structure for charge coupled devices with controllable inp

Electrical pulse counters – pulse dividers – or shift registers: c – Charge transfer device – Particular input or output means

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377 58, 377 59, 377 62, 357 24, 307351, 307353, H01L 2978, G11C 1928

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active

050291890

ABSTRACT:
A charge coupled device employs peak hold circuits for detecting electric charges transferred through reference registers for facilitating automatic iput bias control. The peak hold circuits are respectively connected to a pair of reference registers which are so designed that one of the reference registers has a given maximum rating and the other reference register is adapted to transfer electric charge having a given fraction of the maximum charge rating of the aforementioned one of registers. The peak hold circuits provide peak values of the outputs of the reference registers to a comparator which feedback controls the input bias of the one of the register. This controlled bias is also applied to an input bias for a signal register which is designed for transferring input electric charge.

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J. Millman--"Microelectronics" McGraw-Hill, Inc.--1979--pp. 595-596.

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