Fig. 2: Hidden layer neuron block and its equivalent MOS architecture.

a Block diagram representation of a hidden node implementing 9D Gaussian cell using 2D NP Gaussian cells. b Block level representation of a generic 2D NP Gaussian cell made by cascading N and P-type Gaussian cells and current mirrors. c MOS structure of P-type Gaussian cell. d MOS structure of N-type Gaussian cell. e Layout of a single hidden layer node in Fig. 2a implementing 9D Gaussian cell using 180 nm CMOS TSMC technology.