Charge coupled differential amplifier for transversal filter

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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357 24, 333 70T, G11C 1928, H01L 2978, H03H 728

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active

040717755

ABSTRACT:
A charge coupled amplifier wherein an output voltage proportional to the difference between two input voltages is achieved through use of different value capacitances associated with the signal input and signal output structures of the amplifier. The input capacitance is defined in one embodiment using a doped substrate region beneath a biased electrode located between the signal input gates. In a modified structure, increased area input gate electrodes are used to define the input capacitance. A CCD transversal filter employing split electrode tap weighting which together with associated charge coupled input and output amplifiers form part of a single semiconductor chip.

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