A speedup method of a high-speed direct-coupled Josephson logic gate

Abstract

The switching mechanism of a direct-coupled Josephson logic gate, a four-junction logic gate, has been investigated. It was found that a high-speed input signal current is wasted in an input-output separation resistance (R/sub i/). A speedup method has been developed in which an inductance is connected to (R/sub i/) in series. The value of the inductance… (More)

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