Semiconductor integrated circuit for parallel signal processing

Details Semiconductor integrated circuit for parallel signal processing Semiconductor integrated circuit for parallel signal processing

1998-07-02

2000-10-03

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 53, 327 62, 327 72, H03D 100

Patent

active

061278521

ABSTRACT:
To retrieve analog signals at high precision by a maximum or minimum position detection parallel signal processing circuit, a plurality of circuit units in each of which a gate of a transistor is connected to a signal input terminal through first capacitive means, a common connecting point of the gate and the first capacitive means is connected to one terminal side of second capacitive means, and control means, for fluctuating a voltage on the other terminal side of the second capacitive means so as to further increase or decrease a drain current in correspondence to an increase or decrease in the drain current is connected between the drain and the other terminal side of the second capacitive means are provided, a source of each transistor of the plurality of circuit units is commonly connected and is connected to a constant current source, and the maximum or minimum voltage position detection with respect to a signal voltage which is applied to each signal input terminal is performed by a voltage on the other terminal side of the second capacitive means.

REFERENCES:
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G. Cauwenberghs et al., "A Charge-Based CMOS Parallel Analog Vector Quantizer", Advances in Neural Information Processing Systems 7, 1995, pp. 779-786.
J. Lazzaro et al., "Winner-Take-All Networks of O(N) Complexity," Advances in Neural Information Processing Systems 1, 1989, pp. 703-711.

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