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Multi-band combiner with cavity

A multi-band, combiner technology, applied in circuits, waveguide devices, electrical components, etc., can solve the problems of large limitations, unfavorable installation and transportation, large volume, etc., and achieve the effect of convenient installation and transportation

Inactive Publication Date: 2012-07-04
DFINE TECH
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Problems solved by technology

[0007] The present invention aims to solve the technical problems of traditional multi-band combiner ports, such as large limitations, inability to be arranged arbitrarily, large volume, high cost, and unfavorable installation and transportation, so as to provide a combination with ports that can be arranged arbitrarily, A cavity multi-band combiner with small size, low cost, and convenient installation and transportation

Method used

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Embodiment Construction

[0027] The detailed structure of the present invention, application principle, function and effect, refer to the appended Figure 1-3 , which will be described through the following embodiments.

[0028] Reference attached figure 1 with 3 As shown, the cavity multi-band combiner of the present invention is composed of a multi-port circuit composed of three inputs and one common output port 1 . The first input port 10 , the second input port 11 , the third input port 14 and the common output port 1 are arranged at any position on the outer wall of the cylindrical cavity 20 .

[0029] Wherein two-way input comprises an input port and an elliptic function filter respectively, and the output port of elliptic function filter 12 is connected with public output end 1; Elliptic function filter 12 is made up of 8 resonators arranged in order, each The input terminal of the resonator is connected to the input line, and its output terminal is grounded; the resonator is composed of a p...

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Abstract

The invention relates to a multi-band combiner with a cavity, which relates to the field of electronic communication and aims to solve the technical problems that ports of the conventional multi-band combiner are limited by positions and cannot be arranged optionally and the conventional multi-band combiner is large in size, high in cost and inconvenient in mounting and transport and the like. The multi-band combiner comprises a circuit with multiple ports, the circuit is formed by at least a public output port (1) and two input channels of a first input port (10) and a second input port (11) , each input channel comprises an input port and a filter, an output port of the filter is connected with the public output port (1), the filters and the output ports of the filters are connected with the public output end (1) through port coupling wires (24), and the input ports and the public input port (1) can be arranged at any positions of the outer wall of a cylindrical cavity (20). The multi-band combiner with the cavity is applicable to outdoor places crowded with people, vehicle-mounted radio stations and the communication network.

Description

technical field [0001] The invention relates to the field of electronic communication, in particular to a multi-band combiner used in places with dense crowds outdoors, on-board radio stations and communication networks of locomotives, and the like. Background technique [0002] A combiner, also known as a multiplexer, refers to a device that uses an antenna to enable several transmitters or several receivers to work simultaneously without affecting each other. The multi-band combiner is used in the locomotive on-board radio, and it is also an important part of the on-board system. It is mainly used as a bridge connecting the signal source and the distribution system, and is used in multi-network system access. It realizes multi-band, multi-band The signal combination function avoids the separate construction of the distribution system in the same place, and is an effective means to realize the signal compatible coverage of the multi-band network, and can effectively ensure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/213
Inventor 李承泽彭飞姚华
Owner DFINE TECH
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