REGULATED MOS-BASED LOAD FOR STABILIZATION OF HF AMPLIFIER/MIXER GAIN VS. PVT
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
May 13, 2024
filing date -
May 13, 2024
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Abstract
Systems and methods are provided for using a metal oxide semiconductor based (MOS-based) resistor bank as a load of an amplifier/mixer to adjust the gain of the amplifier/mixer across PVT variations. The gain is adjusted by regulating the impedance of the MOS-based resistor bank to emulate a desirable resistance change over temperature across all PTV variations. The voltage adding on the gate of the MOS-based resistor bank is controlled so that the resistance of the MOS-based resistor bank is a desired value and follow a predetermined variation across the PVT variations.
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