| 摘要 |
<p>PCT No. PCT/DE96/01334 Sec. 371 Date Aug. 27, 1997 Sec. 102(e) Date Aug. 27, 1997 PCT Filed Jul. 20, 1996 PCT Pub. No. WO97/13395 PCT Pub. Date Apr. 10, 1997In the case of a card cage for an electronic control unit having signal-processing analog and/or digital components, high-speed digital components, as well as components having both signal-processing functional parts, as well as high-speed digital functional parts and power components, which are arranged on a multilayer printed-circuit board and are electroconductively connected to a shared ground plane, the signal-processing components of each module having a shared connection to the common ground plane, the radiated interference from the control unit produced by high-frequency interference currents can be reduced, and high current densities in the ground plane and resultant potential shifts can be prevented from adversely affecting the signal processing, in that the signal-processing components are combined into signal-processing modules having at least one shared function, and the ground connections of all components of such a functional module are routed in each case via conductor connections to a common point of connection conductively connected over the shortest path to the shared ground plane, and the high-speed digital and power components are directly linked to the shared ground plane. By introducing an additional voltage-supply plane, the radiated interference from the control unit is able to be further reduced.</p> |
