Test and measurement instrument having overpulsed power supply and controlled slew rate
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United States of America Patent
Stats
-
Jul 12, 2022
Grant Date -
Apr 30, 2020
app pub date -
Oct 25, 2019
filing date -
Oct 26, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A power supply in a test and measurement device includes a stimulus having an output coupled to an amplifier in which an output signal from the stimulus controls an output level of the amplifier. The stimulus may include a Digital to Analog Converter. A measurement circuit detects the output level of the amplifier. The power supply includes an overpulse generator that can be structured to accept a desired amplifier output level, overdrive the stimulus at a first level for a first time period, and drive the stimulus at a second level for a second time period. The measurement circuit determines when the overpulse generator switches from driving the stimulus at the first level to driving the stimulus at the second level. The time period for driving the stimulus at the second level starts as the actual amplifier output level approaches the desired amplifier output level.
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