Patent ID: 7312511
Filing Date: 2007-12-25
Classification: H01L

Abstract:
1. A semiconductor device for use in a radio communication device, comprising: a semiconductor chip including a voltage controlled oscillator and a low noise amplifier; a chip mounting portion over which the semiconductor chip is mounted; a plurality of leads disposed around the chip mounting portion; and a resin sealing body covering the semiconductor chip, parts of the leads and a part of the chip mounting portion, wherein the chip mounting portion is exposed from a back surface of the resin sealing body; a first electrode for providing ground potential to the low noise amplifier is disposed on the semiconductor chip; a second electrode for providing ground potential to the voltage controlled oscillator is disposed on the semiconductor chip; the first electrode is electrically connected with one of the leads via a first conductive wire; the second electrode is electrically connected with the chip mounting portion via a second conductive wire; the first electrode and the second electrode are electrically isolated from each other in the semiconductor device; and the first conductive wire and the second conductive wire are electrically isolated from each other in the semiconductor device.