Multilayer Perceptron Analog Hardware Implementation Using Low Power Operational Transconductance Amplifier

This paper presents analog hardware implementation of multilayer perceptron (MLP) using operational transconductance amplifier (OTA) that is implemented and simulated in CMOS 180nm technology with 1.8V supply. The implemented circuits using the OTA perform addition, multiplication and activation which are the needed operations for any MLP. The components count in each circuit is small which allows implementing larger circuits. These circuits are current-mode (CM) circuits which makes the addition operation very straightforward and needs no power consumption using KCL. The power consumption and bandwidth of the OTA are 6.75μW and 32 KHz, respectively.