pir0texnik
Member level 3
cp antenna
I am looking for a simple single-layer coaxial probe fed circular polarized MS antenna.
The main problem is 3-4% band of WSVR and AR. I tryed many designs with some deformations of the ground, holes/slots in it, feeding with 2 or 4 probes in quadrature etc., but I could not made antenna with brodband WSVR and AR at the same time! All designs have band of AR not more than 1-1.5%(level AR = 50%)... I saw some antennas with good parameters, but they use air dielectric, when I try epsilon more than 1 - all characteristics have deteriorated, I get narrow band...
I can not use array of MS radiators bacause of the limited dimensions..
Is there any solution of this problem?
Thank you!!
I am looking for a simple single-layer coaxial probe fed circular polarized MS antenna.
The main problem is 3-4% band of WSVR and AR. I tryed many designs with some deformations of the ground, holes/slots in it, feeding with 2 or 4 probes in quadrature etc., but I could not made antenna with brodband WSVR and AR at the same time! All designs have band of AR not more than 1-1.5%(level AR = 50%)... I saw some antennas with good parameters, but they use air dielectric, when I try epsilon more than 1 - all characteristics have deteriorated, I get narrow band...
I can not use array of MS radiators bacause of the limited dimensions..
Is there any solution of this problem?
Thank you!!