Electronic assembly having electrical connector connecting electronic components

An electronic device comprising:

• a power module;
• an electronic assembly;
• and
• a housing, wherein the power module and the electronic assembly are disposed on the housing, and the power module is electrically connected to the electronic assembly,
• wherein the electronic assembly comprises:
• a first electronic component;
• a second electronic component;
• and
• an electrical connector connecting the first electronic component and the second electronic component, wherein
• the electrical connector comprises:
• a terminal;
• and
• a first multilayer circuit board, wherein:
• the terminal is fastened on the first multilayer circuit board;
• the terminal comprises a plurality of signal terminals and a plurality of ground terminals, each signal terminal is electrically connected to a signal interface of the first electronic component and a signal interface of the second electronic component and is configured to transmit a signal, each signal terminal configured to transmit a same signal form one group of signal terminals, at least one ground terminal is disposed between two adjacent groups of signal terminals and around each group of signal terminals used to transmit a signal, the at least one ground terminals providing a shielding wall for the group of signal terminals surrounded by the shielding wall;
• and
• the first multilayer circuit board comprises a layer formed by a first ground copper sheet;
• and
• the first electronic component comprises a second multilayer circuit board that comprises a layer formed by a second ground copper sheet, and
• each ground terminal providing the shielding wall for the group of signal terminals surrounded by the shielding wall is electrically connected to the first ground copper sheet and to the second ground copper sheet and configured to shield interference signals from adjacent signal terminals.

An electronic assembly comprising:

• a first electronic component;
• a second electronic component;
• and
• an electrical connector connecting the first electronic component and the second electronic component, wherein
• the electrical connector comprises:
• a terminal;
• and
• a first multilayer circuit board, wherein:
• the terminal is fastened on the first multilayer circuit board;
• the terminal comprises a plurality of signal terminals and a plurality of ground terminals, each signal terminal is electrically connected to a signal interface of the first electronic component and a signal interface of the second electronic component and is configured to transmit a signal, each signal terminal configured to transmit a same signal form one group of signal terminals, at least one ground terminal is disposed between two adjacent groups of signal terminals and around each group of signal terminals used to transmit a signal, and the first multilayer circuit board comprises a layer formed by a first ground copper sheet;
• and
• the first electronic component comprises a second multilayer circuit board that comprises a layer formed by a second ground copper sheet;
• each ground terminal is electrically connected to the first ground copper sheet and to the second ground copper sheet, wherein the first ground terminal, first ground copper sheet and second ground copper sheet form a shielding cage surrounding each signal terminal to shield interference signals from adjacent signal terminals;
• and
• the second electronic component comprises a third multilayer circuit board, the third multilayer circuit board comprises a layer formed by a third ground copper sheet, and each ground terminal of the electrical connector is further electrically connected to the third ground copper sheet.