Ultra wide band rejection filter based on loading of multiple step impedance resonators
A step impedance and resonator technology, applied in waveguide devices, electrical components, circuits, etc., can solve the problems of poor comprehensive performance and complex structure, and achieve the effect of simple and reliable design, small size and low cost
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[0017] Example
[0018] Such as figure 1 As shown, an ultra-wideband band-stop filter loaded by a multi-step impedance resonator includes a double-sided copper-clad microstrip board 1, printed on the same side of the double-sided copper-clad microstrip board for Input end feeder for feeding electromagnetic wave signal 2, output end feeder for feeding electromagnetic wave signal 8, uniform impedance resonator 3, first step impedance resonator 5, second step impedance resonator 7, first high impedance The connection line 4 and the second high impedance connection line 6, wherein one end of the uniform impedance resonator 3 is connected to the input end feeder 2 and one end of the first high impedance connection line 4, and the other end is open, the first step The thinner end of the microstrip line of the impedance resonator 5 is connected to the other end of the first high-impedance connecting line 4 and one end of the second high-impedance connecting line 6 respectively, and the ...
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