A Miniaturized Broadband Four-way Filter Power Divider Based on Unequal Width Three-Wire Coupling Structure
A three-wire coupling and unequal width technology, applied in waveguide devices, circuits, connecting devices, etc., can solve the problems of simultaneous multi-channel input and large size, and achieve simple structure, wide frequency bandwidth, and wide stopband suppression Effect
Active Publication Date: 2022-01-14
DALIAN MARITIME UNIVERSITY
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Problems solved by technology
[0005] Although the existing technology realizes the design of broadband filtering function, some of them have the characteristics of large size and difficult to realize multi-channel input at the same time
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[0045] In order to make the technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings in the embodiments of the present invention. It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present invention.
[0046] figure 1 It is a schematic structural diagram of the miniaturized broadband four-way filtering power divider based on the non-equal width three-wire coupling structure of the present invention. The broadband filtering power divider in this example may include;
[0047] The miniaturized broadband four-channel filter power divider based on the unequal-width three-wire coupling structure of the present invention includes an unequal-...
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The invention discloses a miniaturized broadband four-way filter power splitter based on a non-equal-width three-wire coupling structure, including: a non-equal-width three-wire coupling structure, a terminal open circuit ladder impedance branch, a jumper resistor, and an input / output port; The three-wire coupling structure includes a first non-equal-width three-wire coupling structure and a second non-equal-width three-wire coupling structure; the circuit dimensions of the first non-equal-width three-wire coupling structure and the second non-equal-width three-wire coupling structure are the same; the terminal open-circuit ladder impedance stub Including the first ladder impedance branch and the second ladder impedance branch; the circuit size of the first ladder impedance branch and the second ladder impedance branch are the same; the bridging resistance includes the first bridging resistance, the second bridging resistance and the third bridging connecting resistor; the resistance value of the first connecting resistor is the same as that of the second connecting resistor; the miniaturized four-way broadband filter power splitter provided by the present invention has filter response, operating frequency bandwidth, stop band suppression, and multiple output , small size and low cost.
Description
technical field [0001] The invention relates to the field of filtering power dividers, in particular to a miniaturized wideband four-way filtering power divider based on a three-wire coupling structure of unequal width. Background technique [0002] Under the background of the era of high demand for contemporary informatization, wireless communication technology has achieved rapid development. The development trend of communication technology with large capacity, high transmission rate, low cost and high performance also brings higher challenges and stricter requirements to the research and design of RF microwave circuits. Therefore, the practical application of high-performance microwave passive devices with broadband, miniaturization and low cost has great necessity and practicality. [0003] Power divider, referred to as power divider, is a kind of very important multi-port device. Its main function is to divide the input signal into two or multiple signal outputs accor...
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IPC IPC(8): H01P5/16H01P1/20
CPCH01P5/16H01P1/20
Inventor 刘宏梅马逸涵王雪娇李晓婷房少军王钟葆
Owner DALIAN MARITIME UNIVERSITY