Patent ID: 7755415
Filing Date: 2010-07-13
Classification: H03D

Abstract:
1. A frequency mixer comprising: a first transistor cell comprising: a second transistor cell comprising: a third transistor cell comprising: a fourth transistor cell comprising: wherein the gate of the first transistor is coupled to the gate of the fifth transistor, and the gate of the third transistor is coupled to the gate of the seventh transistor; wherein the drain of the first transistor is coupled to the source of the seventh transistor; wherein the source of the third transistor is coupled to the drain of the fifth transistor; wherein the first, second, third, and fourth control terminals are configured to receive input signals having a same first frequency; wherein the first, second, third, and fourth transistor cells are configured to receive input signals having a same second frequency; and wherein the frequency mixer is configured to provide an output signal having a frequency that is a combination of the first frequency and the second frequency.