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This paper describes a modified linear operational transconductance amplifier (OTA). We employ the PMOS input stage and PMOS mobility compensation circuit that combines the transistor paths operating at the triode region and subthreshold region that it extends input range to 50% of supply voltage. The circuit enhances linearity of the transconductance (Gm) under the wide input voltage range. The OTA...
This paper describes a new linear operational transconductance amplifier (OTA) operating under wide input voltage range. To improve the linearity of the OTA, we employ a mobility compensation circuit that combines the transistor paths operating at the triode and subthreshold regions. The common-mode control circuit consists of a common-mode feedback and common-mode feedforward. The circuit enhances...
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