Multiband Antenna, how to obtain multiple bands for a ↄc shaped antenna?

I need to design an antenna on cst the design below, I need to generate 3 bands below -10db ( band1=[1,7GHz-1,8GHz] band2=[2,2GHz-2,4GHz] band3=[4GHz-4,5GHz] ). I increased the length to shift...

11 May 2021 3,238 6 View