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A High Isolation Large Scale Array Synthesizing Power Amplifier

A power amplifier and array synthesis technology, which is applied to amplifiers with distributed constants in the coupling network, waveguide devices, electrical components, etc., can solve the problems of small internal space, small number of array units, limited number of antennas and chips, etc., to achieve widening The effect of working bandwidth, reducing overall space, and saving compositing space

Active Publication Date: 2021-08-10
GUANGZHOU STARWAY COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limited width of the waveguide cavity, the number of antennas and chips that can be accommodated on each card is limited
The problem of this structure is more prominent in the millimeter-wave band with high frequency, because the internal space is small, and the space after parallel superposition is too small to place microwave chips.
This results in a very small number of array units, and cannot form a large-scale synthetic array.

Method used

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  • A High Isolation Large Scale Array Synthesizing Power Amplifier
  • A High Isolation Large Scale Array Synthesizing Power Amplifier
  • A High Isolation Large Scale Array Synthesizing Power Amplifier

Examples

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specific Embodiment 1

[0024] refer to Figure 1~Figure 3 , a high-isolation large-scale array synthesis power amplifier, including a base 1 and a waveguide cavity 2 formed by the base 1, a plurality of stacked cards are arranged in the waveguide cavity 2, and the card includes an antenna circuit board 3 and is arranged on the antenna circuit Two amplifier chips 4 on the board 3, at least one antenna is arranged on the antenna circuit board 3, the input end and the output end of each amplifier chip 4 are respectively connected with the input end and the output end of an antenna to form an amplification channel, and Each amplifying channel is set in an isolation chamber inside the waveguide cavity 2 .

[0025] The waveguide cavity 2 is a structure with a large central part and slender sides. Since the central cavity is too large, if there is no isolation between the two amplification channels, high-order modes will be generated. Therefore, if figure 2 As shown, among the stacked cards in this embo...

specific Embodiment 2

[0033] refer to figure 1, a high-isolation large-scale array synthesis power amplifier, including a base 1 and a waveguide cavity 2 formed by the base 1, a plurality of stacked cards are arranged in the waveguide cavity 2, and the card includes an antenna circuit board 3 and is arranged on the antenna circuit Two amplifier chips 4 on the board 3, at least one antenna is arranged on the antenna circuit board 3, the input end and the output end of each amplifier chip 4 are respectively connected with the input end and the output end of an antenna to form an amplification channel, and Each amplifying channel is set in an isolation chamber inside the waveguide cavity 2 .

[0034] The waveguide cavity 2 is a structure with a large central part and slender sides. Since the central cavity is too large, if there is no isolation between the two amplification channels, high-order modes will be generated. In this embodiment, the antenna circuit board 3 is placed on the front of the card...

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Abstract

The invention discloses a high-isolation large-scale array synthesis power amplifier, which includes a base and a waveguide cavity formed by the base. A plurality of superimposed cards are arranged in the waveguide cavity. The card includes an antenna circuit board and is arranged on the antenna circuit board. At least one amplifier chip, at least one antenna is arranged on the antenna circuit board, the input end and output end of each amplifier chip are respectively connected with the input end and output end of an antenna to form an amplifying channel, and each amplifying channel is located at In an isolation chamber set in the waveguide cavity. The present invention saves the synthesis space, and can greatly reduce the overall space of the synthesis power amplifier in the case of realizing large-scale array synthesis, reduces the coupling between amplifier chips, realizes high isolation between each amplification channel, and suppresses the The high-order mode widens the working bandwidth and can be widely used in the synthesis amplifier industry.

Description

technical field [0001] The invention relates to the field of power amplifiers, in particular to a large-scale array synthesis power amplifier with high isolation. Background technique [0002] The spatial synthesizing amplifier in the rectangular waveguide is composed of a single "card" with a symmetrical structure, on which there are multiple power devices in a symmetrical structure, and the multiple power devices are distributed in parallel in the waveguide cavity. However, due to the limited width of the waveguide cavity, the number of antennas and chips that can be accommodated on each card is limited. The problem of this structure is more prominent in the millimeter-wave band with high frequency, because the internal space is small, and the space after parallel stacking leads to the internal division is too small to place microwave chips. This results in a very small number of array units, and cannot form a large-scale synthetic array. Contents of the invention [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P5/16H03F3/60
Inventor 贾鹏程孔翔鸣
Owner GUANGZHOU STARWAY COMM TECH
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