Modified nodal analysis formulation of operational transconductance amplifier

In this paper, a systematic and efficient formulation for analysis of active circuits containing operational transconductance amplifiers (OTA) is presented. The modified nodal approach is used in obtaining the system equations of active circuits. The model of operational transconductance amplifier relating to the used analysis method is given. The model is a matrix-based approach. Thus, it allows computer-aided analysis of active circuits to be realized efficiently. One illustrative example is included into the study.