| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure and system for power supply line circuit that can reduce its power consumption, can secure the operating areas of logic circuits, can reduce the occupying areas of the logic circuits, and is suitable for the higher integration of a digital circuit. SOLUTION: The superconducting digital circuit is composed of logic circuits, such as an arithmetic circuit, a storage circuit, etc., which process digital signals and a power supply line 48 circuit which supplies a direct bias current or a bias DC voltage to the logic circuits. Each branch line 44 to the constituent element of each logic circuit is constituted of a resistor 43 and superconducting lines 401 and 402 . In addition, impedance discontinuity is imparted to the branch line 44.
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