Adaptable CMOS winner-take all circuit

Details Adaptable CMOS winner-take all circuit Adaptable CMOS winner-take all circuit

1990-10-31

1991-09-17

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307311, 307351, 323316, 357 235, 365185, H03K 17687, H03K 1914, G11C 1140

Patent

active

050497588

ABSTRACT:
An integrated circuit amplifier having a random input offset voltage is adaptable such that the input offset voltage may be cancelled out. An inverting input node is a floating input node and is coupled to a source of input signal by a first capacitor. A second capacitor is connected between the output of the amplifier and the floating node. An ultraviolet window above the second capacitor allows the floating node to be charged, by the application of ultraviolet light, to a voltage which effectively cancels the input offset voltage. The ultraviolet window and capacitor electrodes are arranged such that the ultraviolet light may strike only the desired areas of the structure.

REFERENCES:
patent: 4403192 (1983-09-01), Williman
patent: 4665426 (1987-05-01), Allen et al.
patent: 4767979 (1988-08-01), Tanigawa
patent: 4799195 (1989-01-01), Iwahashi et al.
patent: 4935702 (1990-06-01), Mead et al.

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