Multiple input signal high-speed analog-digital converter circuit
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United States of America Patent
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Jun 30, 1987
Grant Date -
N/A
app pub date -
Dec 10, 1984
filing date -
Dec 8, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multiple input signal high-speed analog-digital converter circuit for digitizing, by means of an A/D converter, an output signal from a multiplexer which successively delivers multiple input signals applied thereto. Two sample/hold circuits which receive the output signal from the multiplexer repeatedly sample and hold the signal, and a changeover switch keeps one of the sample/hold circuits on hold while the other sample/hold circuit samples the output signal from the multiplexer. While one of the sample/hold circuits is holding the signal, the other sample/hold circuit is sampling another signal so that the A/D conversion time of multiple input signals is capable of being reduced by the sampling time.
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