Patent ID: 8138461

Claim:
An integrated circuit device comprising: a plurality of signal processing circuits classified into a plurality of groups, the plurality of signal processing circuits including a plurality of amplifier circuits having a plurality of bias input terminals and a plurality of bias circuits for supplying an operation bias to the plurality of amplifier circuits and having a plurality of input terminals connected electrically to a bias source and a plurality of output terminals connected electrically to the plurality of bias input terminals for supplying an operation bias to the amplifier circuit, each of the plurality of signal processing circuits including one of the plurality of amplifier circuits and one of the plurality of bias circuits; and a plurality of connection wirings arranged for each of the groups separately, wherein one of the plurality of connection wirings is commonly connected to a plurality of input terminals of a plurality of bias circuits in one of the plurality of groups, and another of the plurality of connection wirings is commonly connected to a plurality of input terminals of a plurality of bias circuits in another of the plurality of group.