Semiconductor device

4:

• The semiconductor device according to claim 1, wherein the one or more gate fingers and the source and drain fingers are comprised of a plurality of gate fingers, a plurality of source fingers and a plurality of drain fingers, respectively, the semiconductor device further comprising a gate bus connected in common to all of the gate fingers, the one or more terminal circuits being connected to the gate bus.

5:

• The semiconductor device according to claim 3, wherein the one or more terminal circuits are also connected to the gate bus.

6:

• The semiconductor device according to claim 3, wherein the one or more terminal circuits are connected to positions farthest from the connecting position of the input terminal.

7:

• The semiconductor device according to claim 4, wherein the one or more terminal circuits are connected to positions farthest from the connecting position of the input terminal.

8:

• The semiconductor device according to claim 3, wherein the one or more terminal circuits are comprised of a plurality of terminal circuits.

9:

• The semiconductor device according to claim 4, wherein the one or more terminal circuits are comprised of a plurality of terminal circuits.

11:

• The semiconductor device according to claim 1, wherein the terminal circuit includes a transmission line having an end portion that is open, and having a line length of not less than a quarter wavelength and not more than a half wavelength of the frequency of the signal input to the input terminal.