Micro-strip ultra wide band band-pass filter based on novel multimode resonator which is shaped like a Chinese character wang
A multi-mode resonant, king-shaped technology, applied to waveguide devices, electrical components, circuits, etc., to achieve good out-of-band suppression, small size, and good frequency selection
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[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the embodiments of the present invention are not limited thereto. The positive side of the example is as image 3 As shown, the metal upper cladding layer I of the microstrip includes the following patterns: input feeder 1, gradient impedance transmission line section 11, short-circuit transmission line section 12 (short circuit is realized through metallized via hole 13), open transmission line section 14, open transmission line Section 15, open transmission line section 16, open transmission line section 31, parallel coupling line section 32, open transmission line section 33, parallel coupling line section 34, parallel coupling line section 35, open transmission line section 36, open transmission line section 26, open transmission line section 25 , open circuit transmission line section 24 , short circuit transmission line section 22 (shor...
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