can any body give me the procedure how to calculate over coupled length to suppress second harmonic in parallel coupled BPF for 2 GHz with order 3 and 0.1dB chebyshev paassband ripple.
There is a free tool from Nuhertz Filter solutions for Filter design...
& also a 30 days full version trial license also available it even as the dxf & sonnet export for Planar Transmissionline filters...
anyone celp me...
i have a problem about to the design filter using CST..i done to make this project...
i must design bandpass filter .anyaone can teach me to design this. thank you