Abstract

The fabrication of high-performance digital integrated circuits with low-temperature buffer (LTB) GaAs MESFET technology is presented. Individual 0.2- mu m-gate-length transistors show a g/sub m/ of 600 mS/mm and an extrapolated f/sub T/ of 80 GHz. Backgating and light sensitivity are eliminated with the LTB technology. Static source-coupled FET logic frequency dividers exhibit a maximum clock rate of 22 GHz.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

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