Why does microstrip line length for feeding the coupler shift the S11 resonance frequency in CST?

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Sudipta Maity

Electric length gets changed with loading.

Nima Saliani

Thank you Mr Maity. so if I get correct resonance in feed length of 16mm, what should I if I want to double the length?

Anveshkumar Nella

Feed line length determines the resonant frequency. So, if you change it then resonant will shift.........

OK. Thank you so much.