A Coplanar Waveguide Interfinger-Coupled Six-Port Network
An inter-finger coupling, coplanar waveguide technology, applied in the microwave field, can solve the problem of different planes of input/output ports, and achieve the effect of flexible selection, small size and large bandwidth
Active Publication Date: 2015-09-16
NANJING UNIV OF POSTS & TELECOMM INST AT NANJING CO LTD
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Problems solved by technology
The six-port network aims to provide a three-way power-dividing characteristic and each power branch has a flexible Six-port network with power distribution ratio, while ensuring large bandwidth and easy integration with other components
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[0029] An exemplary embodiment of a coplanar waveguide interdigitated coupling six-port network according to the present invention will be described in more detail below with reference to the accompanying drawings.
[0030] Such as figure 1 and figure 2 As shown, they are schematic diagrams of the front and back structures of a coplanar waveguide interdigitated coupling six-port network of the present invention, including a dielectric substrate 30, and one side of the dielectric substrate 30 is respectively pasted with six metal strips and two coplanar waveguide connectors. The floor and six microstrip feeders; the other side of the dielectric substrate 30 is pasted with four metal strips and the microstrip feeder grounding plate 8;
[0031] The six metal strips are respectively first to sixth metal strips; the first to sixth metal strips are arranged in parallel;
[0032] The dielectric substrate includes first to eighth metallized via holes;
[0033] The six microstrip f...
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The invention provides a coplanar waveguide interdigital coupling six-port network. The coplanar waveguide interdigital coupling six-port network comprises a dielectric substrate, a coplanar waveguide interdigital coupling structure and a microstrip feeder structure; the coplanar waveguide interdigital coupling structure is coupled compactly through a coplanar waveguide six-line interdigital coupling technology, and thus the larger bandwidth is obtained; meanwhile, each port achieves input and output through microstrips and is integrated with other microstrip plane circuits easily; the six-port network is provided with an input end and a straight end and further provided with two separation ends and two coupling ends, and can be used for three-way power distribution, and accordingly limitation that power distribution branch paths of other power distribution components are in even number is overcome. The coplanar waveguide interdigital coupling six-port network has the advantages of being simple in structure and smaller in size, being integrated with the other components easily, and providing more flexible selections for a power distribution module.
Description
technical field [0001] The invention belongs to the field of microwave technology, in particular to a coplanar waveguide interdigitated coupling six-port network. Background technique [0002] Microwave passive devices such as power dividers and couplers are one of the key components of microwave systems, used for energy distribution and combination. This functional part requires features such as small size, large bandwidth, ability to handle arbitrary power distribution ratios, and easy integration with other components. Traditional power splitters have small bandwidth and poor versatility; when using a coupler for power distribution, since the coupler only has a single coupling port and a single through port to output energy, the power distribution is only two shunts, and it is prone to coupling inconsistencies. Compactness leads to the problem that the energy of the coupling part is too small; through the superposition of devices, the number of energy distribution paths ...
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IPC IPC(8): H01P5/16
Inventor 许锋巫兆祥
Owner NANJING UNIV OF POSTS & TELECOMM INST AT NANJING CO LTD