Josephson RF envelope-to-DC converter
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United States of America Patent
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Jan 16, 2024
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N/A
app pub date -
Jul 23, 2022
filing date -
Jul 23, 2022
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Abstract
A method of using Josephson Junctions to convert the envelope of radio-frequency signals into baseband control pulses includes injecting a biasing current into an envelope detector circuit. The biasing current is identified based on first and second critical currents of superconducting devices in the envelope detector circuit. The first critical current corresponds to the envelope detector circuit receiving no RF signals. The second critical current corresponds to the envelope detector circuit receiving maximum RF signals. The method further includes receiving a modulated radio frequency (RF) signal at the envelope detector circuit to detect an envelope of the received RF signal. The output of the envelope detector circuit is used to drive an output load. The output is generated based on the detected envelope by the envelope detector circuit.
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