High-speed differential to single-ended converter
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United States of America Patent
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Apr 6, 2004
Grant Date -
Jul 31, 2003
app pub date -
Apr 2, 2002
filing date -
Jan 28, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A differential to single-ended converter, which is composed of a transconductance amplifier, a current mirror and buffer circuit and a transimpedance stage, is disclosed. A differential voltage signal is provided to the inputs of the transconductance amplifier and converted to a differential current signal. The current mirror and buffer circuit serves as a differential to single-ended current conveyer and isolates the transconductance stage and the following transimpedance stage. Finally, the single-ended current signal is provided to the input of the transimpedance stage and converted to a single-ended current signal.
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