and or one or more digital signal processors dsps moreover the circuits and components may be implemented using any combination of analog and or digital circuitry including bipolar pmos and or nmos gates or transistors furthermore signals in these embodiments may include digital signals that have approximately discrete values and or analog signals that have continuous values additionally components and circuits may be single ended or differential and power supplies may be unipolar or bipolar portable electronic device 200 may include one of a variety of devices that can include memory including a laptop computer a media player such as an mp3 player an appliance a subnotebook netbook a tablet computer a smartphone a cellular telephone a network appliance a personal digital assistant pda a toy a controller a digital signal processor a game console a device controller a computational engine within an appliance a consumer electronic device a portable computing device a personal organizer and or another electronic device while portable electronic device 200 was used as an illustration in the preceding discussion in other embodiments module 100 is included in an electronic device such as a server a desktop computer a mainframe computer and or a blade computer moreover alternative passive heat transfer components and or materials may be used in thermal coupling material 126 and or 128 in some embodiments circuit board 110 only includes integrated circuits 116 on top surface 112 and or thermal coupling mechanism.