Abstract:A novel cascaded trisection bandpass filter with multiple pairs of transmission zeros is proposed. In this circuit, each zero pair at real or imaginary frequencies is generated by a single trisection with resonant cross-coupling, i.e. mixed electric and magnetic coupling between non-adjacent resonators. This type of cross-coupling can be simply modeled by a J-inverter multiplied by the complex frequency variable s. Direct extraction of the element values of the lowpass equivalent circuit from the referred quas… Show more
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