Programmable analog voltage multiplier circuit means

Details Programmable analog voltage multiplier circuit means Programmable analog voltage multiplier circuit means

1988-11-16

1990-06-05

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328160, 307512, 307497, 307246, G06G 700, H03F 316

Patent

active

049316745

ABSTRACT:
An improved programmable analog voltage multiplier circuit means (PAVMCM) cluding various embodiments thereof that are operable in linear
onlinear fashion. The PAVMCM is generally made up of multiplier circuit means, at least one switch means and at least one capacitor means. The switch means is connected to a programmable analog voltage (PAV) input and the capacitor means. The circuit means is composed of a high impedance analog voltage (HIAV) programming input, an analog voltage input and current source output means. The capacitor means is connected to the switch means and the HIAV programming input. The capacitor means receives and dynamically stores a PAV input when the switch is closed and then applies the dynamically stored PAV input to the HIAV programming input of the circuit means when the switch is opened. The product of the PAV input and the analog voltage input for a circuit means provides the multiplied current output of the output means thereof. Because of the high impedance of a FET gate means, it may be used where its gate means is the programming input of the PAVMCM means. PAVMCM means can be formed using FET multiplier and differential amplifier multiplier circuit means. The PAVMCM can be arranged to form embodiments of analog vector-vector and analog vector-matrix multiplier circuit means. One of the advantages of the PAVMCM when configured as a vector-matrix multiplier circuit means is that it is useful in an artificial neural network as well as for pattern recognition.

REFERENCES:
patent: 3562553 (1971-02-01), Roth
patent: 3588713 (1971-06-01), Yareck
patent: 4649289 (1987-03-01), Nakano
patent: 4677317 (1987-06-01), Sakuma
patent: 4710726 (1987-12-01), Czarnul
patent: 4734599 (1988-03-01), Bohac, Jr.
patent: 4764892 (1988-08-01), Thomas

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