Herotek is an advanced designer and manufacturer of RF and Microwave components and sub-sytems from DC to 75 GHz and beyond. Their products include Detectors, Comb Generators. Limiters, Switches, GaAsFET Amplifiers (Broadband, Low Noise and Power)and intergrated sub-sytems of many tyepes including up and down converters, multipliers, harmonic mixers and transceivers. Herotek supplies parts for the Military, Industrial and Commercial Markets. All Herotek products are produced in their USA headquarters in San Jose, California.