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

Table 1

Data used for training and testing procedures of the presented ANN model.

#	Input					Output
	W1 (mm)	L1 (mm)	D1 (mm)	W2 (mm)	L2 (mm)	Fc (GHz)	BW (GHz)	SF (dB)	Ro (ζ) (dB/GHz)
1	5.1	3.6	6.6	0.1	7.4	2.04	10.31	20	119.3
2	5.1	3.6	6.4	0.1	7.4	2.042	10.17	20	120.8
3	5.1	3.6	6.2	0.1	7.4	2.045	10.481	18.5	115
4	5.1	3.6	6	0.1	7.4	2.047	10.531	18	120.9
5	4.8	3.6	6	0.1	7.4	2.103	10.507	19	114.9
6	4.6	3.6	6	0.1	7.4	2.130	10.3	20	105.7
7	4.0	3.2	5.7	0.2	7.6	2.5	8.45	18.5	93.5
8	4.4	3.8	6	0.1	7.4	2.134	10.22	19.5	113.5
9	4.4	4.0	6	0.1	7.4	2.05	10.40	18.5	117.8
10	4.4	4.2	6	0.1	7.4	1.96	10.30	17	147.3
11	4.6	4.2	6	0.1	7.4	1.926	10.34	16	126.7
12	4.6	4.2	6	0.1	7.6	1.903	10.343	16	117.4
13	4.6	4.2	6	0.1	7.8	1.894	10.21	16.5	144.17
14	4.6	4.2	6	0.1	8.0	1.890	10.19	17	145.9
15	4.6	4.2	6.2	0.1	8.0	1.903	10.51	17	148.2
16	4.6	4.2	6.4	0.1	8.0	1.910	10.46	17.5	148.1
17	4.6	4.2	6.6	0.1	8.0	1.913	10.30	18.5	155.1
18	4.6	4.2	6.5	0.2	8.0	1.911	9.21	14	133.1
19	4.6	4.2	6.3	0.2	8.0	1.902	9.26	13.5	128.9
20	4.6	4.2	6.1	0.2	8.0	1.876	9.479	12	118.2
21	4.6	4.2	6.1	0.2	7.8	1.879	9.659	12	117.8
22	4.6	4.2	6.1	0.2	7.6	1.881	9.781	11.5	118.1
23	4.6	4.0	6.1	0.2	7.6	1.965	9.65	13	120.5
24	4.8	4.0	6.1	0.2	7.6	1.913	9.9	12	122.1
25	4.4	4.0	6.1	0.2	7.6	2.03	9.76	14	153.6
26	4.4	3.8	6.1	0.2	7.6	2.11	9.67	15	146.8
27	4.4	3.6	6.1	0.2	7.6	2.21	9.38	16	151.6
28	4.2	3.6	6.1	0.2	7.6	2.249	9.11	16.5	152.1
29	4.2	3.4	6.1	0.2	7.6	2.33	8.97	17.5	112.1
30	4.0	3.4	6.1	0.2	7.6	2.40	8.69	18.5	102.7
31	4.0	3.2	6.1	0.2	7.6	2.47	5.70	20	90.2
32	4.0	3.2	5.9	0.2	7.6	2.49	7.95	20	94.8
33	4.4	3.6	6	0.1	7.4	2.20	10.24	20	158.3