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New CMOS OTA for fully integrated continuous-time circuit applications

1989; Institution of Engineering and Technology; Volume: 25; Issue: 24 Linguagem: Inglês

10.1049/el

1350-911X

Sidnei Noceti Filho, M.C. Schneider, R.N.G. Robert,

CCD and CMOS Imaging Sensors

A new CMOS circuit is proposed for implementing an operational transconductance amplifier (OTA) based on the square-law characteristic of MOS transistors biased in saturation. Simulation results show that a total harmonic distortion of the output current smaller than 1% for differential input signals up to 3.8 Vpp and supply voltages of ± 5 V can be obtained.