Bus drive circuit for use in communications

Details Bus drive circuit for use in communications Bus drive circuit for use in communications

1991-09-11

1993-06-08

Ng, Jin F.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307540, 307270, 307544, H03K 508, H03K 500, H03K 326

Patent

active

052182487

ABSTRACT:
A bus drive source circuit, for use in communications, having a twisted-pair cable for communication among controllers mounted in a vehicle. In order to suppress the occurrence of radio frequency noise, a current mirror circuit is employed for causing the inflow of a current having a predetermined value over one wire of the twisted-pair cable as well as the outflow of a current having the same value as the current with the predetermined value along the other wire of the twisted-pair cable, thereby securing the symmetric property of the current.

REFERENCES:
patent: 3140405 (1964-07-01), Kolling
patent: 4725979 (1988-02-01), Hoberman
patent: 4990799 (1991-02-01), Weiss
patent: 5012129 (1991-04-01), Basten

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