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Two-Phase Josephson Power Monitor

IP.com Disclosure Number: IPCOM000047496D
Original Publication Date: 1983-Nov-01
Included in the Prior Art Database: 2005-Feb-07

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Anderson, CJ [+details]


One input/output line with two in-line gates can monitor the phase and amplitude of two input power supply currents by using a loop in one of the power lines to provide cancellation at one of the gates. In logic using a two-phase power supply, it is important to set the phase between the two power supplies to 90Πand have the amplitude of the two supplies equal. The current inputs to the regulators are sine waves, as shown in Fig. 1. A small amount of current proportional to the power supply can be coupled into devices D1 and D2, as shown in Fig. 2, where D1 and D2 are in-line gates (or any device with a linear region in the threshold curve) with different I/O's.