In this article, by replacing lowpass filter in Gysel power divider configuration, a power divider with 9 harmonic suppression capability at 930 MHz has been designed analyzed and fabricated. To provide a step by step analysis, the basic resonator of the proposed lowpas
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In this article, by replacing lowpass filter in Gysel power divider configuration, a power divider with 9 harmonic suppression capability at 930 MHz has been designed analyzed and fabricated. To provide a step by step analysis, the basic resonator of the proposed lowpass filter has been firstly investigated and the location of the first transmission zero of it has been calculated, then, its stopband is extended by using rectangular suppressor. After replacing the designed filter in Gysel configuration, the final circuit has been fabricated and measured. The measured results indicate that the final circuit has 79% size reduction in comparison with a conventional Gysel power divider. Moreover, first port return loss, the second port return loss, the isolation and insertion loss are 16.5, 17, 36, 3.14 dB, respectively.
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