The WEA7681R22 is a path receiver with external LO for radar applications covering the 76 GHz to 81 GHz automotive band. It integrates a Low Noise Amplifier with Gain Control, an IQ mixer and Broadband Baseband Amplifiers. The input signal can be fed from an external 10GHz source. It is implemented in 22FDX FD-SOI process. The WEA7681T22 occupies a silicon area of 2200 um x 420 um2