Quasi-lumped element extremely wideband bandpass filter and its preparation method and application
A band-pass filter and ultra-wideband technology, applied in electrical components, waveguide-type devices, circuits, etc., can solve problems such as the inability to efficiently manufacture high-performance ultra-wideband filters, and achieve optimized out-of-band performance and precise design. Effects of flow, high edge steepness
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[0058] This embodiment is used to illustrate the preparation method of the quasi-lumped element ultra-broadband bandpass filter of the present invention.
[0059] Such as figure 1 Shown is the quasi-lumped element schematic diagram that the present invention adopts, wherein figure 1 (a) is the broken line inductance, figure 1 (b) is a chip capacitor, figure 1 (c) is the finger capacitance. The broken line inductance represents the series inductance, the chip capacitor represents the parallel capacitance, and the finger capacitance represents the series and parallel capacitance.
[0060] Such as figure 2 Shown is a schematic diagram of the prototype circuit of the low-pass filter used in the present invention, which is formed by alternately connecting series inductors and parallel capacitors, and one end of the parallel capacitors is connected to the ground.
[0061] Such as image 3 Shown is to figure 1 (a)(b) elements in accordance with figure 2 Schematic diagram of...
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