An ultra-low-power bulk-driven subthreshold super class-AB rail-to-rail CMOS OTA with enhanced small and large signal performance suitable for large capacitive loads. - Sougata Ghosh; Vijaya Bhadauria (Microelectron. J., 2021)

Low-Voltage Super Class-AB Bulk-Driven Single-Stage Subthreshold OTA with Very High DC Gain, Slew Rate, and High Driving Capability. - Sougata Ghosh (Circuits Syst. Signal Process., 2023)