Abstract
This paper discusses the design of a self-biased folded cascode operational amplifier at an ultra low power supply voltage. The proposed design is first of its kind at 0.5 V where self-biasing techniques are used to reduce power and area overheads. The self-biasing scheme in this design is developed by using a current mirror for low voltage operation. This design is implemented in a 90 nm CMOS technology using Cadence General Purpose Design Kit (GPDK).
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