1.5 GHz Fully Differential Folded Cascode CMOS OTA
Hassan Jassim Motlak and S. Naseem Ahmad
A novel circuit simulation for fully differential folded cascode (FDFC) CMOS operational transconductance amplifier (OTA) is presented. The proposed (FDFC) OTA provides sufficiently large gain-bandwidth product with approximately 1.5 GHz at low values of load capacitor. The large dc gain, high slew rate, low settling time coupled with low power consumption around 3.25mWare attractive features of the proposed scheme. The circuit exhibits slightly higher harmonic distortion (HD) which can be reduced using source degeneration resistor technique. The simulation results are included.