Novel ultra-wideband low-pass filter with double trapped waves
A band-pass filter and ultra-broadband technology, applied in waveguide-type devices, waveguides, resonators, etc., to achieve the effects of easy mass production, high adjustability, and favorable integration
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[0025] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elucidated below in conjunction with specific embodiments.
[0026] Specific implementation:
[0027] As shown in Figure 1: an ultra-wideband bandpass filter with double notches, its composition includes: dielectric substrate, coplanar waveguide feeder strip line, coplanar waveguide ground plane, flared surface, trapezoidal hole arrangement, spoof SPPs waveguide strip and ring resonator, described coplanar waveguide feed stripline, coplanar waveguide ground plane, flared face, trapezoidal hole arrangement, spoof SPPs waveguide strip and ring
[0028] The resonator is printed on the upper surface of the dielectric substrate, the spoof SPPs waveguide strip is located in the middle of the dielectric substrate, and the ring resonance
[0029] The filter is located directly above the spoof SPPs waveguide and h...
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