Analog multiplexer
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United States of America Patent
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-
Apr 1, 1980
Grant Date -
N/A
app pub date -
Aug 16, 1977
filing date -
Aug 16, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An analog multiplexer connected to a plurality of input terminals selectively samples the input terminals in response to signals from a controller. The multiplexer includes a sample and ramp amplifier circuit for supplying the selected analog input to desired subsequent circuitry, for example, an analog-to-digital converter. The analog multiplexer is particularly useful in applications wherein a microprocessor periodically senses selected analog sensors and applies signals to control devices to regulate the conditions being sensed.
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