Abstract: An electronic module has a non-conducting substrate having at least one opening and a die/carrier assembly mounted within the opening in the substrate. The assembly has a conducting carrier and one or more integrated circuit (IC) dies mounted to the carrier. The invention may be implemented as an electronic system comprising a circuit board (CB) and at least one such electronic module mounted to the CB.

Abstract: The specification describes a plastic cavity package design for high power transistor packages in which the leadframe is formed of a composite of materials. This allows the portions of the leadframe that require strength to be formed of a high strength material, e.g. steel, while the paddle portion of the leadframe is formed of a high thermal conductivity material, e.g. copper. This composite leadframe optimizes thermal and mechanical performance at low cost. In the preferred embodiment the leadframe is provided with a center cutout, where the die is attached. A copper insert is assembled in the cutout. The copper insert provides an effective heat sink, while the remainder of the leadframe provides the desired mechanical strength.

Abstract: An amplifier module has a substrate, as assembly having one or more integrated circuit (IC) dies mounted to the substrate, and one or more other electronic components mounted to the substrate. The assembly receives an input signal and generates an amplified output signal. The one or more other electronic components perform one or more amplifier-related functions. The amplifier module is adapted to be mounted to a circuit board (CB) as a distinct electronic package. The invention may be implemented as an electronic system having the CB and at least one such amplifier module mounted to the CB.