Design of a Microwave Quadrature Hybrid Coupler with Harmonic Suppression Using Artificial Neural Networks

Figure 8

The (a) LC equivalent circuit of the designed elliptic LPF. (b) The S-parameters for the presented elliptic LPF, which is obtained by simulation of the LC equivalent circuit. (c) The frequency response of the presented elliptic filter, extracted from analyses, according to equation (5).

(a)

(b)

(c)