Gain Enhancement of Low-Profile, Electrically Small Capacitive Feed Antennas Using Stacked Meander Lines

Table 1

The antenna characteristics at the resonance frequency.

Antenna	Resonance frequency (GHz)	ka	Antenna gain (dBi)
CFMA	1.215	0.338	−9.79
2L-CFMA1	1.57	0.438	−4.84
2L-CFMA2	1.725	0.481	−3.81