Control device for controlling functions in a motor vehicle

Details Control device for controlling functions in a motor vehicle Control device for controlling functions in a motor vehicle

1990-11-27

1993-07-27

Pellinen, A. D.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

174 35R, 361399, 361424, B60L 100, H05K 900

Patent

active

052313085

ABSTRACT:
In a control device having an analog part and a digital part, an analog ground plane layer is provided for the analog part and a digital ground plane layer is provided for the digital part, these ground plane layers being separately connected to a conductive base plate of the control device to which a grounding line is also connected. This reduces emissions via the ground line and the shield of the signal line caused by high frequency switching events in the digital part.

REFERENCES:
patent: 4218578 (1980-08-01), Olschewski et al.
patent: 4668873 (1987-05-01), Ohba et al.
patent: 4967316 (1990-10-01), Goebel et al.
patent: 5019945 (1991-05-01), Smolley
patent: 5053926 (1991-10-01), Dickie
Bulletin, 903 Machine Design 56 (1984) Sep. 6, No. 20, Cleveland, Ohio, USA "Minimizing Noise in Digital PCB Layouts". pp. 144 & 146.

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