Study on improving sensitivity of multibroadband receivers

Proposed is a self-multiplier mixer circuit that has an independent multiplication capability to improve the sensitivity of upper bands, a problem not only with radar detectors but also with similar multi- broadband receivers (i.e. receiver systems that have several reception bands with wide distribution). The circuit´s superiority was verified by designing and producing the front-end for a multi-broadband receiver to be implemented in radar detectors, and its simulation performance was measured.