Design and Validation of an Antipodal Vivaldi Antenna with Additional Slots

Table 3

Comparative analysis of other Antipodal Vivaldi Antennas.

Ref. No.	Substrate Type		tan	Dimension (LWH) [mm]	Frequency [GHz]	Gain [dBi]	Impedance Bandwidth	Radiation Efficiency	Cross Polarization	Application
our AVA	ISOLA	3.0	0.0017	090.00080.001.524	01.0–13.0	7	3.608–4.904 GHz, 35%	90%	-15.485 dB	applicable for all
							5.592 GHz, 134.69%			bellow application
[14]	FR4	4.30	0.0250	060.00060.000.800	02.4–14.0	5	141%	NA	-15.0 dB	UWB
[15]	FR4	4.40	0.0180	056.00050.000.800	02.0–12.0	1.5–5.2	166%	60–83%	NA	UWB
[16]	PTFE	2.55	0.0020	046.00045.000.800	03.1–10.6	5	NA	NA	-14.5 dB	UWB
[17]	FR4	4.40	0.0020	040.16042.561.400	03.1–10.6	5	NA	NA	-20.5 dB	UWB
	RO30006	6.00	0.0020	039.40034.601.000	03.1–10.6	5	NA	NA	-20.5 dB	UWB
[18]	ARLON600	6.15	0.0030	190.01128.011.575	00.8–12.0	6.32	163%	NA	NA	eng. harwesting
[19]	FR4	4.60	0.0200	040.00040.001.600	3.01–06.8	5.9	NA	95%	NA	microwave imaging
[20]	FR4	4.30	0.0025	100.00100.001.000	1.00–05.0	7.0	NA	NA	NA	microwave imaging
[21]	DURIOD5870	2.33	0.0012	060.50040.000.787	4.73–25.0	4.0	405.4% at 5 GHz	NA	17 dB	UWB radars
[22]	FR4	4.40	0.0200	300.00230.000.810	00.6–02.6	7	NA	98%	NA	LTE
[23]	NA	2.33	NA	274.00282.001.575	0.40–09.8	10.0	184.3%	93%	NA	UWB
	NA	2.33	NA	161.25140.001.575	0.83–09.8	10.0	175.8%	93%	NA	UWB
[24]	FR4B	2.65	0.0010	090.00093.500.800	1.32–17.0	6.4	171%	NA	NA	UWB
[25]	Tacvonic CER10	10.0	NA	260.00185.001.500	0.5–02.0	7.0	120%	NA	NA	UWB radars