HIGHLY LINEAR MULTIPLIER
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United States of America Patent
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Issued Date -
Feb 29, 2024
app pub date -
Dec 14, 2021
filing date -
Dec 21, 2020
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Abstract
There is provided a linearized multiplier configured to produce an output current representing a product of a first input voltage and a second input voltage, comprising: a first transconductance stage which is configured to input the first input voltage and to output a first pair of differential currents, wherein the first transconductance stage comprises a negative feedback network, at least one second transconductance stage which is configured to input the second input voltage and to output a pre-distorted voltage of the second input voltage, wherein each second transconductance stage comprises a negative feedback network, a pair of third transconductance stages, each of which is configured to input a voltage corresponding to the pre-distorted voltage of the second input voltage and to output a second pair of differential currents, when being supplied with a bias current corresponding to a respective current of the first pair of differential currents.
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