InP HEMT integrated circuits operating above 1,000 GHz

The last decade has seen tremendous increase in the operating frequency of transistor based in electronics. With InP HEMTs reaching 1.5 THz fmax and 610 GHz fr, operating frequencies of integrated circuit amplifiers have seen corresponding increase to as high as 1 THz. This paper describes the transistor process, integrated circuit results at 1 THz, as well as background on packaging and measurements at this frequency.

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