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A CMOS Super class-AB transconductor using Quasi Floating Gates (QFG) techniques to improve the speed and slew rate is presented. The QFG technique is applied to a static DC current source in the classic class-AB OTA, boosting the bias current for large input voltages. The new proposed OTA consumes the same static power as the traditional OTA, however the chip area is increased by 8.5% due to the...
In this work, the bulk-gate controlled circuit to improve the power supply ripple ratio (PSRR) of a Low Dropout Regulator (LDO) which deteriorates due to lowering power consumption is proposed. Designing with 0.25 mum CMOS process, the simulation results by HSPICE shown that the proposed circuit provides a high performance of PSRR even though 1/10 of the power consumption is reduced compare to the...
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