Abstract: A method and system for flexibly supplying power to a high-end graphics card is described. The graphics system includes the high-end graphics card and also a configurable power supply module, which is physically separated to the graphics card and connected to a power source external to the graphics system. The configurable power supply module converts a first voltage from the power source to a second voltage for the graphics card, wherein the second voltage satisfies a set of power supply specifications required by the graphics card.

Abstract: According to an exemplary embodiment, a bipolar/dual FET structure includes a bipolar transistor situated over a substrate. The bipolar/dual FET structure further includes an enhancement-mode FET and a depletion-mode FET situated over the substrate. In the bipolar/dual FET structure, the channel of the enhancement-mode FET is situated above the base of the bipolar transistor and the channel of the depletion-mode FET is situated below the base of the bipolar transistor. The channel of the enhancement-mode FET is isolated from the channel of the depletion-mode FET so as to decouple the enhancement-mode FET from the depletion mode FET.

Abstract: According to an exemplary embodiment, a bipolar/dual FET structure includes a bipolar transistor situated over a substrate. The bipolar/dual FET structure further includes an enhancement-mode FET and a depletion-mode FET situated over the substrate. In the bipolar/dual FET structure, the channel of the enhancement-mode FET is situated above the base of the bipolar transistor and the channel of the depletion-mode FET is situated below the base of the bipolar transistor. The channel of the enhancement-mode FET is isolated from the channel of the depletion-mode FET so as to decouple the enhancement-mode FET from the depletion mode FET.

Abstract: A method and system for flexibly supplying power to a high-end graphics card is described. The graphics system includes the high-end graphics card and also a configurable power supply module, which is physically separated to the graphics card and connected to a power source external to the graphics system. The configurable power supply module converts a first voltage from the power source to a second voltage for the graphics card, wherein the second voltage satisfies a set of power supply specifications required by the graphics card.

Abstract: A GaAs power transistor unit cell is provided with one of its transistor contacts on its bottom surface, and its other two transistor contacts on its frontside surface. In one arrangement, the GaAs power transistor unit cell has a N+ GaAs substrate that cooperates with an N? GaAs material to form a transistor collector. A collector contact is on a bottom surface of the collector, and a transistor base is provided on the collector. An emitter is arranged on the base. Accordingly, the collector contact is on the bottom of the unit cell, while a base contact and emitter contact are oriented to the frontside of the unit cell. It will be understood that the emitter and collector portions may be exchanged in other constructions. In use, the GaAs transistor unit cells are interconnected to form a GaAs power transistor, with the power transistor having externally available contacts. In one specific construction, a connection pad is provided on a laminate substrate.