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A radio frequency combiner

A radio frequency combiner and coupler technology, which is applied in the field of radio frequency combiners, can solve problems such as high cost and failure to meet the use requirements, and achieve the effect of improving performance

Active Publication Date: 2021-05-07
上海三吉电子工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when such combiner devices cannot achieve high isolation between transmission and reception, their isolation is generally 23dB-27dB, which cannot meet the requirements of use.
Or use silver plating technology, the cost is very high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The specific embodiment provides a radio frequency combiner, including multiple couplers, detectors, control switches, one-way isolators, combining modules and duplexers, wherein:

[0037] The input ends of the plurality of couplers are a plurality of input ends, samples are distributed to the detectors through the coupling sections of the couplers, and the through ends of the couplers are directly connected to the control switch.

[0038] The multiple detectors transmit trigger signals to the control switch, so that the control switch switches between transmitting and receiving. The default state is the receiving state. When there is a trigger signal for transmitting, the control switch switches to the transmitting state. After the transmission is over, the control switch returns to the receiving state.

[0039] The plurality of control switches are 0.02Hz-2.7GHz broadband control switches, the normal use power is 50W, the peak power is 300W, the insertion loss is 0.3d...

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PUM

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Abstract

The invention discloses a radio frequency combiner, which adopts printed circuit board technology and a high-dielectric constant dielectric board. All the above-mentioned devices are packaged with patches, and can be mass-produced by a patch machine, so that the structure is simple and consistent. High, easy to assemble and debug, can be mass-produced, low cost, and reduces the size of the combiner, can be installed in a 1U chassis.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a radio frequency combiner. Background technique [0002] At present, in the wireless communication system, more and more devices are used, antennas are everywhere, and the multi-antenna layout deteriorates the antenna pattern. Most of the prior art uses an antenna combiner, and the antenna combiner is mainly composed of a plurality of independent band-pass filters. [0003] For example, the antenna combiner in the 350M frequency band is mainly composed of multiple independent bandpass filters with an in-band impedance of 50Ω and an out-of-band impedance of high impedance. However, when the frequency coverage factor of the antenna combiner (that is, the ratio of the highest operating frequency to the lowest operating frequency) is greater than 2, the out-of-band impedance of each bandpass filter will gradually change from 50Ω to High impedance, and then gradually...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P5/16
CPCH01P5/16
Inventor 周超杨智光魏宇秦磊卢嘉
Owner 上海三吉电子工程有限公司