A three-way arbitrary power division ratio gysel type power divider/combiner
A technology of power division ratio and power divider, which is applied to waveguide-type devices, circuits, connecting devices, etc., can solve the problems of difficult structural layout, limitations, and the design formula of Gysel-type power divider has not been given yet, and achieves dynamic adjustment. Large-scale, compact effects
Active Publication Date: 2021-10-22
SOUTH CHINA UNIV OF TECH
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Problems solved by technology
The Wilkinson type power splitter is one of the most typical power splitters, but the distributed capacitance effect between the isolation resistor and the floor limits its application in high power applications. The advantage of the Gysel type power splitter is its large power capacity , can be used in high power applications
[0003] At present, most of the common Gysel power dividers have two outputs. For the Gysel power dividers with three outputs, most of them distribute the power evenly to achieve three equal divisions, and most of them are difficult to realize on one plane in terms of structural layout.
For example, the published patent CN 204809372 U proposes a three-way Gysel type power splitter / combiner. The one-point three-way Gysel type power splitter can only achieve power distribution evenly, and the structure of the Gysel type power splitter has not yet been given. The design formula of the power divider
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[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0024] like figure 1 and figure 2 As shown, a three-way arbitrary power division ratio Gysel type power divider / combiner includes a circuit board 3, a metal frame 2, and an adapter 1, and the circuit board 3 is placed in the metal frame 2; the circuit board 3 includes a microstrip Structure 4, dielectric substrate 3 and ground metal 5, the microstrip structure 4 is attached to the upper surface of the dielectric substrate 3, and the ground metal 5 is attached to the lower surface of the dielectric substrate; With structure 4 connections.
[0025] like image 3 As shown, the microstrip structure 4 includes a load resistance of R x0 The port Port 0, the three load resistances are R xn Port n of port, n=1, 2, 3, three first-level transmission lines (a1, a2, a3), six first-level branch transmission lines (b12, b13, b21, b23, b31, b32), six second-level tran...
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The invention discloses a three-way arbitrary power division ratio Gysel type power divider / combiner, a three-way arbitrary power division ratio Gysel type power divider / combiner, including a circuit board, a metal frame, an adapter, The circuit board is placed in the metal frame; the circuit board includes a microstrip structure, a dielectric substrate and a grounding metal. The microstrip structure is attached to the upper surface of the dielectric substrate, and the grounding metal is attached to the lower surface of the dielectric substrate; The dielectric substrate is connected with the microstrip structure. The three-way arbitrary power division ratio Gysel type power splitter / combiner of the present invention can realize arbitrary power distribution ratio, power distribution and synthesis of any port load, and can be used as a power splitter to realize power distribution and can also be used as a combiner The power combiner realizes the power combination, and overcomes the defects that the existing power divider only has equal power distribution ratio, equal port load, and is difficult to realize in one plane.
Description
technical field [0001] The invention relates to the technical field of electronic devices, in particular to a three-way Gysel type power divider / combiner with any power division ratio. Background technique [0002] A power divider is a device that divides the energy of one input signal into two or multiple outputs with equal or unequal energy, or synthesizes the energy of multiple signals into one output, which is called a combiner at this time. Power splitters are widely used in antenna feed systems, phased array radar systems, etc. The Wilkinson type power splitter is one of the most typical power splitters, but the distributed capacitance effect between the isolation resistor and the floor limits its application in high power applications. The advantage of the Gysel type power splitter is its large power capacity , can be used in high power occasions. [0003] At present, most of the common Gysel power splitters have two outputs. For the Gysel power splitters with three...
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IPC IPC(8): H01P5/04H01P11/00
CPCH01P5/04H01P11/00
Inventor 陈海东李虹萍薛泉车文荃
Owner SOUTH CHINA UNIV OF TECH