Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1992-11-05
1994-07-12
Westin, Edward P.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
3072968, 307270, 3072965, H03K 301, H03K 9092
Patent
active
053291840
ABSTRACT:
A transceiver network having a driver and a receiver circuit for providing an interface between, for example, a data bus and a system controller or the like is disclosed herein. The receiver circuit includes a first logic gate of a first predefined type for providing output signals in response to input signals in accordance with a first transfer characteristic governed by a first reference voltage. A compensation arrangement is provided for adjusting the first reference voltage, and includes a first compensation gate of the first predefined type having an output governed by the first reference voltage. A first feedback loop coupled to the first compensation gate's output varies the first reference voltage until the first compensation gate generates a predefined output signal. The driver network includes a second input logic gate of a second predefined type having a first current transfer characteristic governed by a gate control voltage. A second compensation arrangement adjusts the gate control voltage, and includes a second compensation gate of the second predefined type having a current transfer characteristic proportional to the first current transfer characteristic. A second feedback loop coupled to the second compensation gate varies the gate control voltage until current flowing through the second compensation gate matches a supply current.
REFERENCES:
patent: 4555642 (1985-11-01), Morales
patent: 4563595 (1986-01-01), Bose
patent: 4642488 (1987-02-01), Parker
patent: 4763021 (1988-08-01), Stickel
patent: 4837460 (1989-06-01), Uchida
patent: 5235222 (1993-10-01), Kondoh et al.
patent: 5268599 (1993-12-01), Matsui
National Semiconductor Corporation
Roseen Richard
Westin Edward P.
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