A three-pass band power divider filter with high frequency selectivity
A selective, tee-band technology, applied in the direction of waveguide devices, circuits, electrical components, etc., can solve the port isolation and out-of-band suppression are not ideal, increase the difficulty of design and implementation, difficult passband design requirements, etc. problem, achieve good out-of-band suppression characteristics, good power distribution characteristics and filtering characteristics, and improve the effect of out-of-band frequency selectivity
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[0037] Such as figure 1 , figure 2 and Figure 7 As shown, the present embodiment provides a three-pass power divider filter with high frequency selectivity, including a dielectric substrate 9, a metal ground plate 8 is provided on the lower surface of the dielectric substrate 9, and an input port is provided on the upper surface of the dielectric substrate 9. The feeder 1, the first output feeder 2 and the second output feeder 3, the input port feeder 1, the first output feeder 2 and the second output feeder 3 are all located on the same side of the central axis of the dielectric substrate 9, the first output feeder 2 One end is connected to one end of the second output feeder 3; the first resonant unit, the second resonant unit, and the third resonant unit are sequentially coupled and connected between the input port feeder 1 and the first output feeder 2 and the connection between the second output feeder 3 The unit and the fourth resonant unit, the first resonant unit, ...
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