Parallel analog to digital converter
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United States of America Patent
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Mar 24, 1992
Grant Date -
N/A
app pub date -
Nov 17, 1989
filing date -
Nov 17, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A parallel analog to digital converter which uses a dual-rank arrangement of flash converters. The flash converters have Josephson junctions and act as a sample and hold circuit. The dual-rank arrangement allows a smaller number of comparators to be used than in a pure parallel conversion scheme, which also makes encoding the outputs of the flash converters less complex. The analog to digital converter includes an encoder which controls its output interferometers based on the net flux generated by combinations of input currents into the encoder.
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