LOW-GLITCH RANGE CHANGE TECHNIQUES
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United States of America Patent
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Issued Date -
Feb 4, 2021
app pub date -
Jul 29, 2019
filing date -
Jul 29, 2019
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Abstract
Techniques are provided for changing a range of an output circuit with little or no voltage or current glitch. In an example, a method of changing a range of an output signal can include providing a first level of the output signal at an output of a first amplifier based on a received setpoint signal and receiving a range change command. In response to the range change command an input of a second amplifier can be shorted to an output of the second amplifier for a first interval. At the end of the first interval and over a second interval, a first impedance between the input of the second amplifier and the output of the second amplifier can be increased, and a second impedance between the input of the second amplifier and the setpoint signal can be increased.
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