The modeling, design, and experimental evaluation of both a 400-GHz transmitter receiver submillimeter-wave monolithic integrated circuit (S-MMIC) is presented in this article. These S-MMICs are intended for radar-based system the aforementioned operating frequency. occupies total chip area <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"...