Fast voltage level shifter circuit
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Dec 22, 2016
filing date -
Jan 27, 2010
priority date (Note) -
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Abstract
A voltage level shifting circuit with an input terminal and an output terminal. The level shifting circuit has a field-effect transistor (FET) switch with a gate attached to the input terminal, a drain attached to the output terminal and a source attached to a current changing mechanism. The current changing mechanism includes a current mirror circuit having an output connected between the source and an electrical earth. The output of the current mirror circuit is preferably adapted to change a current flowing between the drain and the source based on an input voltage applied to the gate.
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